Commit Graph

172 Commits

Author SHA1 Message Date
Axel Lin
7a83b145b5 phy: armada375-usb2: Set drvdata for phy and use it
At the context we have pointer to struct phy, it's useful to call
phy_get_drvdata() to get the address of cluster_phy. This has slightly
better readability than calling dev_get_drvdata(phy->dev.parent).

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-03-04 18:31:47 +05:30
Axel Lin
5bd568f5d2 phy: miphy365x: Avoid calling of_get_child_count() multiple times
Currently, of_get_child_count() is called in each iteration of the for loop in
miphy365x_xlate(). This patch stores the return value of of_get_child_count()
in miphy_dev->nphys and call of_get_child_count() once in miphy365x_probe().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-03-04 18:31:47 +05:30
Axel Lin
21647f7383 phy: miphy28lp: Avoid calling of_get_child_count() multiple times
Currently, of_get_child_count() is called in each iteration of the for loop in
miphy28lp_xlate(). This patch stores the return value of of_get_child_count()
in miphy_dev->nphys and call of_get_child_count() once in miphy28lp_probe().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-03-04 18:31:47 +05:30
Linus Torvalds
e29876723f USB patches for 3.20-rc1
Here's the big pull request for the USB driver tree for 3.20-rc1.
 
 Nothing major happening here, just lots of gadget driver updates, new
 device ids, and a bunch of cleanups.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big pull request for the USB driver tree for 3.20-rc1.

  Nothing major happening here, just lots of gadget driver updates, new
  device ids, and a bunch of cleanups.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
  usb: musb: fix device hotplug behind hub
  usb: dwc2: Fix a bug in reading the endpoint directions from reg.
  staging: emxx_udc: fix the build error
  usb: Retry port status check on resume to work around RH bugs
  Revert "usb: Reset USB-3 devices on USB-3 link bounce"
  uhci-hub: use HUB_CHAR_*
  usb: kconfig: replace PPC_OF with PPC
  ehci-pci: disable for Intel MID platforms (update)
  usb: gadget: Kconfig: use bool instead of boolean
  usb: musb: blackfin: remove incorrect __exit_p()
  USB: fix use-after-free bug in usb_hcd_unlink_urb()
  ehci-pci: disable for Intel MID platforms
  usb: host: pci_quirks: joing string literals
  USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
  USB: usbfs: allow URBs to be reaped after disconnection
  cdc-acm: kill unnecessary messages
  cdc-acm: add sanity checks
  usb: phy: phy-generic: Fix USB PHY gpio reset
  usb: dwc2: fix USB core dependencies
  usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
  ...
2015-02-15 10:24:55 -08:00
Linus Torvalds
540a7c5061 SCSI misc on 20150209
This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
 megaraid_sas, ses) plus an assortment of minor updates.  There's also an
 update to ufs which adds new phy drivers and finally a new logging
 infrastructure for SCSI.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "This is the usual grab bag of driver updates (hpsa, storvsc, mp2sas,
  megaraid_sas, ses) plus an assortment of minor updates.

  There's also an update to ufs which adds new phy drivers and finally a
  new logging infrastructure for SCSI"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (114 commits)
  scsi_logging: return void for dev_printk() functions
  scsi: print single-character strings with seq_putc
  scsi: merge consecutive seq_puts calls
  scsi: replace seq_printf with seq_puts
  aha152x: replace seq_printf with seq_puts
  advansys: replace seq_printf with seq_puts
  scsi: remove SPRINTF macro
  sg: remove an unused variable
  hpsa: Use local workqueues instead of system workqueues
  hpsa: add in P840ar controller model name
  hpsa: add in gen9 controller model names
  hpsa: detect and report failures changing controller transport modes
  hpsa: shorten the wait for the CISS doorbell mode change ack
  hpsa: refactor duplicated scan completion code into a new routine
  hpsa: move SG descriptor set-up out of hpsa_scatter_gather()
  hpsa: do not use function pointers in fast path command submission
  hpsa: print CDBs instead of kernel virtual addresses for uncommon errors
  hpsa: do not use a void pointer for scsi_cmd field of struct CommandList
  hpsa: return failed from device reset/abort handlers
  hpsa: check for ctlr lockup after command allocation in main io path
  ...
2015-02-11 10:28:45 -08:00
Peter Griffin
bbd3ce86c7 phy: miphy365x: Pass sysconfig register offsets via syscfg dt property.
Based on Arnds review comments here https://lkml.org/lkml/2014/11/13/161,
update the miphy365 phy driver to access sysconfig register offsets via
syscfg dt property.

This is because the reg property should not be mixing address spaces
like it does currently for miphy365. This change then also aligns us
to how other platforms such as keystone and bcm7445 pass there syscon
offsets via DT.

This patch breaks DT compatibility, but this platform is considered WIP,
and is only used by a few developers who are upstreaming support for it.
This change has been done as a single atomic commit to ensure it is
bisectable.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Tested-by: Maxime Coquelin <maxime.coquelin@st.com>
2015-01-30 18:12:05 +05:30
Sylwester Nawrocki
e4b3d38088 phy: exynos-video-mipi: Fix regression by adding support for PMU regmap
After the Exynos Power Management Unit (PMU) driver was converted
to the platform device driver in commit 14fc8b93d4
("ARM: EXYNOS: Add platform driver support for Exynos PMU") and
then PMU device nodes added to Exynos4 DTs in commit
7b9613aca4 ("ARM: dts: add PMU syscon node for exynos4")
the mipi video phy driver started failing probing, due to overlapping
memory mapped register region resources.

Now all the Exynos peripheral devices which have registers in the PMU
region are supposed to use the regmap provided by the syscon driver.
So support for regmap is added in this patch, this unfortunately
creates yet another indirection into that supposedly trivial driver.

The additional mutex is required because single register is used by
PHY pairs (they share bit in a register). An improvement here could
be to allow a PHY instance be created with a driver custom mutex,
which would then be common for each PHY pair. This would eliminate
one of 3 mutexes which need to be taken in the phy_power_on/
phy_power_off code path. However, I tried to keep this bug fix patch
possibly simple.

This change is needed to make MIPI DSI displays and MIPI CSI-2
camera sensors working again on Exynos4 boards.

Cc: Pankaj Dubey <pankaj.dubey@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-30 16:06:48 +05:30
Yunzhi Li
64d11406de phy: add a driver for the Rockchip SoC internal USB2.0 PHY
This patch to add a generic PHY driver for ROCKCHIP usb PHYs,
currently this driver can support RK3288. The RK3288 SoC have
three independent USB PHY IPs which are all configured through a
set of registers located in the GRF (general register files)
module.

Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-30 16:06:47 +05:30
David S. Miller
95f873f2ff Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	arch/arm/boot/dts/imx6sx-sdb.dts
	net/sched/cls_bpf.c

Two simple sets of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-27 16:59:56 -08:00
Peter Griffin
5402d927ae phy: phy-stih407-usb: Pass sysconfig register offsets via syscfg property.
Based on Arnds review comments here https://lkml.org/lkml/2014/11/13/161,
update the phy driver to not use the reg property to access the sysconfig
register offsets.

This is because other phy's (miphy28, miphy365) have a combination of
memory mapped registers and sysconfig control regs, and we shouldn't
be mixing address spaces in the reg property. In addition we would
ideally like the sysconfig offsets to be passed via DT in a uniform way.

This new method will also allow us to support devices which have sysconfig
registers in different banks more easily and it is also analagous to how
keystone and bcm7745 platforms pass there syscon offsets in DT.

This breaks DT compatibility, but this platform is considered WIP, and
is only used by a few developers who are upstreaming support for it.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-21 15:23:06 +05:30
Gabriel FERNANDEZ
de6e0f84be phy: miphy28lp: Pass sysconfig register offsets via syscfg dt property.
Based on Arnds review comments here https://lkml.org/lkml/2014/11/13/161,
update the miphy28lp phy driver to access sysconfig register offsets via
syscfg dt property.

This is because the reg property should not be mixing address spaces like
it does currently for miphy28lp. This change then also aligns us to how other
platforms such as keystone and bcm7445 pass there syscon offsets via DT.

I have updated the miphy28lp phy driver same way as Peter's implementation.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-21 15:23:06 +05:30
Wei Yongjun
147fd9d6bb phy: fix return value check in armada375_usb_phy_probe()
In case of error, the function devm_ioremap_resource() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-21 15:23:06 +05:30
Roger Quadros
7f33912d29 phy: ti-pipe3: Fix SATA across suspend/resume
Failed test case: Boot without SATA drive connected. Suspend/resume
the board and then connect SATA drive. It fails to enumerate.

Due to Errata i783 "SATA Lockup After SATA DPLL Unlock/Relock"
we can't allow SATA DPLL to be in the unlocked state.
The SATA refclk (sata_ref_clk) is the source of the SATA_DPLL.
This clock is being controlled only by the AHCI SATA driver and is
shut off during system suspend (if the SATA drive was not already attached)
causing the SATA DPLL to be unlocked and so causing errata i783.

To prevent sata_ref_clk from being disabled, we add the control of
this clock to the SATA PHY driver and prevent it from being disabled.

This also fixes the issue of SATA not working on OMAP5/DRA7 when
AHCI platform driver is built as a module.

NOTE: Device tree changes also required for OMAP5 & DRA7.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-21 15:23:06 +05:30
Roger Quadros
6e7384320f phy: ti-pipe3: Disable clocks on system suspend
On system suspend, the runtime_suspend() driver hook doesn't get
called for USB phy and so the clocks are not disabled in the driver.
This causes the L3INIT_960M_GFCLK and L3INIT_480M_GFCLK to remain
active on the DRA7 platform while in system suspend.

In case of pcie-phy, the runtime_suspend hook gets called after
the suspend hook so we introduce a flag phy->enabled to keep
track if our clocks are enabled or not to prevent multiple
enable/disables.

Add suspend/resume hooks to the driver.
Move enabling/disabling clock code into helper functions.

Reported-by: Nishant Menon <nm@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-01-21 15:23:06 +05:30
Yaniv Gardi
ca14ab55fb phy: qcom-ufs: add support for 14nm phy
This change adds a support for a 14nm qcom-ufs phy that is
required in platforms that use ufs-qcom controller.

Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: Dov Levenglick <dovl@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-01-20 19:43:26 +01:00
Yaniv Gardi
39e794bff7 phy: qcom-ufs: add support for 20nm phy
This change adds a support for a 20nm qcom-ufs phy that is required in
platforms that use ufs-qcom controller.

Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: Dov Levenglick <dovl@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-01-20 19:43:25 +01:00
Yaniv Gardi
adaafaa393 phy: qcom-ufs: add support for QUALCOMM Technologies UFS PHY drivers
This change adds a generic and common API support for ufs phy QUALCOMM
Technologies. This support provides common code and also points
to specific phy callbacks to differentiate between different behaviors
of frequent use-cases (like power on, power off, phy calibration etc).

Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: Dov Levenglick <dovl@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-01-20 19:43:24 +01:00
Peter Griffin
63139885c4 phy: miphy365x: Pass sysconfig register offsets via syscfg dt property.
Based on Arnds review comments here https://lkml.org/lkml/2014/11/13/161,
update the miphy365 phy driver to access sysconfig register offsets via
syscfg dt property.

This is because the reg property should not be mixing address spaces
like it does currently for miphy365. This change then also aligns us
to how other platforms such as keystone and bcm7445 pass there syscon
offsets via DT.

This patch breaks DT compatibility, but this platform is considered WIP,
and is only used by a few developers who are upstreaming support for it.
This change has been done as a single atomic commit to ensure it is
bisectable.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-11 18:53:34 -05:00
Peter Griffin
937127fe13 phy: phy-stih407-usb: Pass sysconfig register offsets via syscfg property.
Based on Arnds review comments here https://lkml.org/lkml/2014/11/13/161,
update the phy driver to not use the reg property to access the sysconfig
register offsets.

This is because other phy's (miphy28, miphy365) have a combination of
memory mapped registers and sysconfig control regs, and we shouldn't
be mixing address spaces in the reg property. In addition we would
ideally like the sysconfig offsets to be passed via DT in a uniform way.

This new method will also allow us to support devices which have sysconfig
registers in different banks more easily and it is also analagous to how
keystone and bcm7745 platforms pass there syscon offsets in DT.

This breaks DT compatibility, but this platform is considered WIP, and
is only used by a few developers who are upstreaming support for it.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-11 18:53:33 -05:00
Vignesh R
0bc09f9cdc phy: phy-ti-pipe3: fix inconsistent enumeration of PCIe gen2 cards
Prior to DRA74x silicon rev 1.1, pcie_pcs register bits 8-15 and bits 16-23
were used to configure RC delay count for phy1 and phy2 respectively.
phyid was used as index to distinguish the phys and to configure the delay
values appropriately.

As of DRA74x silicon rev 1.1, pcie_pcs register definition has changed.
Bits 16-23 are used to configure delay values for *both* phy1 and phy2.

Hence phyid is no longer required.

So, drop id field from ti_pipe3 structure and its subsequent references
for configuring pcie_pcs register.

Also, pcie_pcs register now needs to be configured with delay value of 0x96
at bit positions 16-23. See register description of CTRL_CORE_PCIE_PCS in
ARM572x TRM, SPRUHZ6, October 2014, section 18.5.2.2, table 18-1804.

This is needed to ensure Gen2 cards are enumerated consistently.

DRA72x silicon behaves same way as DRA74x rev 1.1 as far as this functionality
is considered.

Test results on DRA74x and DRA72x EVMs:

Before patch
------------
DRA74x ES 1.0: Gen1 cards work, Gen2 cards do not work (expected result due to
silicon errata)
DRA74x ES 1.1: Gen1 cards work, Gen2 cards do not work sometimes due to incorrect
programming of register

DRA72x: Gen1 cards work, Gen2 cards do not work sometimes due to incorrect
programming of register

After patch
-----------
DRA74x ES 1.0: Gen1 cards work, Gen2 cards do not work (expected result due to
silicon errata)
DRA74x ES 1.1: Gen1 cards work, Gen2 cards work consistently.

DRA72x: Gen1 and Gen2 cards enumerate consistently.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-12-23 15:44:32 +05:30
Hans de Goede
372400344a phy-sun4i-usb: Change disconnect threshold value for sun6i
The allwinner SDK uses a value of 3 for the disconnect threshold setting on
sun6i, do the same in the kernel.

In my previous experience with sun5i problems getting the threshold right
is important to avoid usb2 devices being unplugged sometimes going unnoticed.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-12-23 15:44:31 +05:30
Dan Carpenter
4e038e8919 phy: miphy28lp: unlock on error in miphy28lp_init()
We need to unlock before returning the -EINVAL here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-12-23 15:44:31 +05:30
Linus Torvalds
c0f486fde3 More ACPI and power management updates for 3.19-rc1
- Fix a regression in leds-gpio introduced by a recent commit that
    inadvertently changed the name of one of the properties used by
    the driver (Fabio Estevam).
 
  - Fix a regression in the ACPI backlight driver introduced by a
    recent fix that missed one special case that had to be taken
    into account (Aaron Lu).
 
  - Drop the level of some new kernel messages from the ACPI core
    introduced by a recent commit to KERN_DEBUG which they should
    have used from the start and drop some other unuseful KERN_ERR
    messages printed by ACPI (Rafael J Wysocki).
 
  - Revert an incorrect commit modifying the cpupower tool
    (Prarit Bhargava).
 
  - Fix two regressions introduced by recent commits in the OPP
    library and clean up some existing minor issues in that code
    (Viresh Kumar).
 
  - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout
    the tree (or drop it where that can be done) in order to make
    it possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki,
    Ulf Hansson, Ludovic Desroches).  There will be one more
    "CONFIG_PM_RUNTIME removal" batch after this one, because some
    new uses of it have been introduced during the current merge
    window, but that should be sufficient to finally get rid of it.
 
  - Make the ACPI EC driver more robust against race conditions
    related to GPE handler installation failures (Lv Zheng).
 
  - Prevent the ACPI device PM core code from attempting to
    disable GPEs that it has not enabled which confuses ACPICA
    and makes it report errors unnecessarily (Rafael J Wysocki).
 
  - Add a "force" command line switch to the intel_pstate driver
    to make it possible to override the blacklisting of some
    systems in that driver if needed (Ethan Zhao).
 
  - Improve intel_pstate code documentation and add a MAINTAINERS
    entry for it (Kristen Carlson Accardi).
 
  - Make the ACPI fan driver create cooling device interfaces
    witn names that reflect the IDs of the ACPI device objects
    they are associated with, except for "generic" ACPI fans
    (PNP ID "PNP0C0B").  That's necessary for user space thermal
    management tools to be able to connect the fans with the
    parts of the system they are supposed to be cooling properly.
    From Srinivas Pandruvada.
 
 /
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Merge tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI and power management updates from Rafael Wysocki:
 "These are regression fixes (leds-gpio, ACPI backlight driver,
  operating performance points library, ACPI device enumeration
  messages, cpupower tool), other bug fixes (ACPI EC driver, ACPI device
  PM), some cleanups in the operating performance points (OPP)
  framework, continuation of CONFIG_PM_RUNTIME elimination, a couple of
  minor intel_pstate driver changes, a new MAINTAINERS entry for it and
  an ACPI fan driver change needed for better support of thermal
  management in user space.

  Specifics:

   - Fix a regression in leds-gpio introduced by a recent commit that
     inadvertently changed the name of one of the properties used by the
     driver (Fabio Estevam).

   - Fix a regression in the ACPI backlight driver introduced by a
     recent fix that missed one special case that had to be taken into
     account (Aaron Lu).

   - Drop the level of some new kernel messages from the ACPI core
     introduced by a recent commit to KERN_DEBUG which they should have
     used from the start and drop some other unuseful KERN_ERR messages
     printed by ACPI (Rafael J Wysocki).

   - Revert an incorrect commit modifying the cpupower tool (Prarit
     Bhargava).

   - Fix two regressions introduced by recent commits in the OPP library
     and clean up some existing minor issues in that code (Viresh
     Kumar).

   - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout the
     tree (or drop it where that can be done) in order to make it
     possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki, Ulf
     Hansson, Ludovic Desroches).

     There will be one more "CONFIG_PM_RUNTIME removal" batch after this
     one, because some new uses of it have been introduced during the
     current merge window, but that should be sufficient to finally get
     rid of it.

   - Make the ACPI EC driver more robust against race conditions related
     to GPE handler installation failures (Lv Zheng).

   - Prevent the ACPI device PM core code from attempting to disable
     GPEs that it has not enabled which confuses ACPICA and makes it
     report errors unnecessarily (Rafael J Wysocki).

   - Add a "force" command line switch to the intel_pstate driver to
     make it possible to override the blacklisting of some systems in
     that driver if needed (Ethan Zhao).

   - Improve intel_pstate code documentation and add a MAINTAINERS entry
     for it (Kristen Carlson Accardi).

   - Make the ACPI fan driver create cooling device interfaces witn
     names that reflect the IDs of the ACPI device objects they are
     associated with, except for "generic" ACPI fans (PNP ID "PNP0C0B").

     That's necessary for user space thermal management tools to be able
     to connect the fans with the parts of the system they are supposed
     to be cooling properly.  From Srinivas Pandruvada"

* tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  MAINTAINERS: add entry for intel_pstate
  ACPI / video: update the skip case for acpi_video_device_in_dod()
  power / PM: Eliminate CONFIG_PM_RUNTIME
  NFC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / EC: Fix unexpected ec_remove_handlers() invocations
  Revert "tools: cpupower: fix return checks for sysfs_get_idlestate_count()"
  tracing / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  x86 / PM: Replace CONFIG_PM_RUNTIME in io_apic.c
  PM: Remove the SET_PM_RUNTIME_PM_OPS() macro
  mmc: atmel-mci: use SET_RUNTIME_PM_OPS() macro
  PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
  ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  phy / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  video / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  tty / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  spi: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / PM: Do not disable wakeup GPEs that have not been enabled
  ACPI / utils: Drop error messages from acpi_evaluate_reference()
  ...
2014-12-18 20:28:33 -08:00
Rafael J. Wysocki
7ba37053eb phy / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under
drivers/phy/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-12-13 00:42:12 +01:00
Greg Kroah-Hartman
842f57baab Improvements in phy-core specifically on PHY core finds the PHY in the case
of non-dt boot. Adds three new PHY drivers using the PHY framework and some
 miscellaneous fixes and cleanups.
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Merge tag 'for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-testing

Kishon writes:

Improvements in phy-core specifically on PHY core finds the PHY in the case
of non-dt boot. Adds three new PHY drivers using the PHY framework and some
miscellaneous fixes and cleanups.
2014-11-27 08:25:20 -08:00
Gregory CLEMENT
eee47538ec phy: add support for USB cluster on the Armada 375 SoC
The Armada 375 SoC comes with an USB2 host and device controller and
an USB3 controller. The USB cluster control register allows to manage
common features of both USB controllers.

This commit adds a driver integrated in the generic PHY framework to
control this USB cluster feature.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
[ kishon@ti.com : Made it to use the updated devm_phy_create API and
		  soem cosmentic changes in Kconfig file.]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
2014-11-26 11:07:14 +05:30
Gregory CLEMENT
c1fc005010 phy: Use PTR_ERR_OR_ZERO to fix warning raised by coccinelle
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-26 11:07:13 +05:30
Greg Kroah-Hartman
2d4d9f35ba usb: patches for v3.19 merge window
This time, a very pull request with 216 non-merge
 commits. Most of the commits contained here are
 sparse or coccinelle fixes ranging from missing
 'static' to returning 0 in case of errors.
 
 More importantly, we have the removal the now
 unnecessary 'driver' argument to ->udc_stop().
 
 DWC2 learned about Dual-Role builds. Users of
 this IP can now have a single driver built for
 host and device roles.
 
 DWC3 got support for two new HW platforms: Exynos7
 and AMD.
 
 The Broadcom USB 3.0 Device Controller IP is now
 supported and so is PLX USB338x, which means DWC3
 has lost is badge as the only USB 3.0 peripheral
 IP supported on Linux.
 
 Thanks for Tony Lindgren's work, we can now have
 a distro-like kernel where all MUSB glue layers
 can be built into the same kernel (statically
 or dynamically linked) and it'll work in PIO (DMA
 will come probably on v3.20).
 
 Other than these, the usual set of cleanups and
 non-critical fixes.
 
 Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v3.19 merge window

This time, a very pull request with 216 non-merge
commits. Most of the commits contained here are
sparse or coccinelle fixes ranging from missing
'static' to returning 0 in case of errors.

More importantly, we have the removal the now
unnecessary 'driver' argument to ->udc_stop().

DWC2 learned about Dual-Role builds. Users of
this IP can now have a single driver built for
host and device roles.

DWC3 got support for two new HW platforms: Exynos7
and AMD.

The Broadcom USB 3.0 Device Controller IP is now
supported and so is PLX USB338x, which means DWC3
has lost is badge as the only USB 3.0 peripheral
IP supported on Linux.

Thanks for Tony Lindgren's work, we can now have
a distro-like kernel where all MUSB glue layers
can be built into the same kernel (statically
or dynamically linked) and it'll work in PIO (DMA
will come probably on v3.20).

Other than these, the usual set of cleanups and
non-critical fixes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-25 09:31:14 -08:00
Vivek Gautam
556186a02c phy: exynos7-usbdrd: Update dependency for ARCH_EXYNOS
This PHY controller is also present on Exynos7 platform
in arch-exynos family.
So PHY_EXYNOS5_USBDRD should now depend on ARCH_EXYNOS.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-22 14:08:09 +05:30
Vivek Gautam
a6867836db phy: exynos5-usbdrd: Add facility for VBUS-BOOST-5V supply
Some Exynos boards have a separate regulator controlling a
Boost 5V supply which goes as input for VBUS regulator.
So adding a control for the same in driver, to enable
vbus supply on the port.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-22 14:08:09 +05:30
Vivek Gautam
9bde18c1b5 phy: exynos5-usbdrd: Add pipe-clk, utmi-clk and itp-clk support
Exynos7 SoC has now separate gate control for 125MHz pipe3 phy
clock, as well as 60MHz utmi phy clock.
Additionally, separate gate control is available for the clock
used for ITP (Isochronous Transfer Packet) generation.

So get the same and control in the phy-exynos5-usbdrd driver.

Suggested-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-22 14:08:09 +05:30
Heikki Krogerus
dbc98635e0 phy: remove the old lookup method
The users of the old method are now converted to the new one.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
[ kishon@ti.com : made phy-berlin-usb.c and phy-miphy28lp.c to use the updated
		  devm_phy_create API.]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-22 13:58:39 +05:30
Heikki Krogerus
61211b1bda phy: twl4030: use the new lookup method
Creates the lookup separately. Hard coding the consumer as
it can't be anything else except musb.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-22 13:58:31 +05:30
Heikki Krogerus
b7bc15b98e phy: improved lookup method
Separates registration of the phy and the lookup. The method
is copied from clkdev.c,

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-21 19:48:50 +05:30
Antoine Tenart
13ebb68cb5 phy: add the Berlin USB PHY driver
Add the driver driving the Marvell Berlin USB PHY. This allows to
initialize the PHY and to use it from the USB driver later.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-21 19:48:50 +05:30
Sebastian Hesselbarth
8203f8b461 phy: berlin-sata: Add support for BG2 SATA PHY
Berlin BG2 also has a SATA PHY compatible with the current driver
except different PHY_BASE. Add a new compatible to the driver
reflecting the different PHY_BASE.

Acked-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-13 11:49:43 +05:30
Sebastian Hesselbarth
a98d41d6a1 phy: berlin-sata: Move PHY_BASE into private data struct
Currently, Berlin SATA PHY driver assumes PHY_BASE address being
constant. While this PHY_BASE is correct for BG2Q, older BG2 PHY_BASE
is different. Prepare the driver for BG2 support by moving the phy_base
into private driver data.

Acked-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-13 11:49:43 +05:30
Roman Byshko
6827a46f59 phy: sun4i: add support for USB phy0
The driver for sun4i USB phys currently supports
only phy1 and phy2 which are used for USB host
controllers. This patch adds support for USB phy0,
which is used by the musb hdrc USB controller.

Signed-off-by: Roman Byshko <rbyshko@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-13 11:49:23 +05:30
Kishon Vijay Abraham I
491e049064 phy: phy-core: use the np present in of_phandle_args to get the PHY
Instead of using the node pointer of the PHY provider and then scanning its
child nodes to get a reference to the PHY, directly use the node pointer
present in of_phandle_args to get a reference to the PHY.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-12 18:40:13 +05:30
Gabriel FERNANDEZ
28ba384dc5 phy: miphy28lp: Tune tx impedance across Soc cuts
This patch to compensate tx impedance (Sata, PCIe)
depending on Soc cuts the kernel is built for.

Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-12 18:40:13 +05:30
Gabriel FERNANDEZ
a2108dee3c phy: miphy28lp: Add SSC support for PCIE
SSC is the technique of modulating the operating frequency of a signal
slightly to spread its radiated emissions over a range of frequencies.
This reduction in the maximum emission for a given frequency helps meet
radiated emission requirements.
These settings are applicable for PCIE with Internal clock.

Signed-off-by: Harsh Gupta <harsh.gupta@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-12 18:40:12 +05:30
Gabriel FERNANDEZ
2b041b27a8 phy: miphy28lp: Add SSC support for SATA
This patch to tune on/off the ssc on miphy sata setup.
User can now enable ssc via dt blob, it is useful to reduce
effects of EMI.

Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-12 18:40:12 +05:30
Gabriel FERNANDEZ
2c14e9be0c phy: miphy28lp: Provide support for the MiPHY28lp Generic PHY
The MiPHY28lp is a Generic PHY which can serve various SATA or PCIe
or USB3 devices.

Signed-off-by: alexandre torgue <alexandre.torgue@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-11-12 18:40:12 +05:30
Felipe Balbi
8b9ca2767b phy: twl4030: Fix build breakage
commit e47d925 (usb: move the OTG state
from the USB PHY to the OTG structure) moved
the OTG state field from struct usb_phy to
struct usb_otg but, even though I fixed many
other build breakages, I still missed one
on phy-twl4030-usb.c.

Fix the build breakage now.

While at that, also a build warning introduced
by the same commit.

Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-10 17:19:34 -06:00
Oussama Ghorbel
f20531a9aa phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly
The USB OTG port does not work since v3.16 on omap platform.
This is a regression introduced by the commit
eb82a3d846 (phy: omap-usb2: Balance pm_runtime_enable() on probe failure
 and remove).
This because the call to pm_runtime_enable() function is moved after the
call to devm_phy_create() function, which has side effect since later in
the subsequent calls of devm_phy_create() there is a check with
pm_runtime_enabled() to configure few things.

Fixes: eb82a3d846
Signed-off-by: Oussama Ghorbel <ghorbel@pivasoftware.com>
Tested-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-05 14:34:06 -08:00
Antoine Tenart
19c1eac268 usb: rename phy to usb_phy in OTG
This patch prepares the introduction of the generic PHY support in the
USB OTG common functions. The USB PHY member of the OTG structure is
renamed to 'usb_phy' and modifications are done in all drivers accessing
it. Renaming this pointer will allow to keep the compatibility for USB
PHY drivers.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-03 10:01:25 -06:00
Antoine Tenart
e47d92545c usb: move the OTG state from the USB PHY to the OTG structure
Before using the PHY framework instead of the USB PHY one, we need to
move the OTG state into another place, since it won't be available when
USB PHY isn't used. This patch moves the OTG state into the OTG
structure, and makes all the needed modifications in the drivers
using the OTG state.

[ balbi@ti.com : fix build regressions with phy-tahvo.c, musb_dsps.c,
		phy-isp1301-omap, and chipidea's debug.c ]

Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-11-03 10:01:25 -06:00
Peter Griffin
4f0eb5d7ef phy: remove .owner field for drivers using module_platform_driver
This patch removes the superflous .owner field for drivers which
use the module_platform_driver or platform_driver_register api,
as this is overriden in __platform_driver_register.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-09-24 15:18:34 +05:30
Vivek Gautam
a5ec598650 phy: exynos-dp-video: Use syscon support to control pmu register
Currently the DP_PHY_ENABLE register is mapped in the driver,
and accessed to control power to the PHY.
With mfd-syscon and regmap interface available at our disposal,
it's wise to use that instead of using a 'reg' property for the
controller and allocating a memory resource for that.

To facilitate this, we have added another compatible string
for Exynso5420 SoC to acquire driver data which contains
different DP-PHY-CONTROL register offset.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-09-24 15:18:34 +05:30
Peter Griffin
3f8da2e36c phy: phy-stih41x-usb: Add usb phy support for STiH41x SoCs.
This driver adds support for USB (1.1 and 2.0) phy for STiH415 and
STiH416 System-On-Chips from STMicroelectronics.

Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2014-09-24 15:18:33 +05:30