[Why]
Video plane gets rejected for non-zero src_y and src_x on DCN2.x.
[How]
Limit the rejection till DCN1.x and verified MPO, by dragging video
playback beyond display's left (0, 0) co-ordinates.
Fixes: d89f6048bd ("drm/amd/display: Reject non-zero src_y and src_x for video planes")
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We can't call unregister_ftrace_function under ftrace_lock.
Link: https://lkml.kernel.org/r/20211109114217.1645296-1-jolsa@kernel.org
Fixes: ed29271894 ("ftrace/direct: Do not disable when switching direct callers")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The resetting of the entire ring buffer use to simply go through and reset
each individual CPU buffer that had its own protection and synchronization.
But this was very slow, due to performing a synchronization for each CPU.
The code was reshuffled to do one disabling of all CPU buffers, followed
by a single RCU synchronization, and then the resetting of each of the CPU
buffers. But unfortunately, the mutex that prevented multiple occurrences
of resetting the buffer was not moved to the upper function, and there is
nothing to protect from it.
Take the ring buffer mutex around the global reset.
Cc: stable@vger.kernel.org
Fixes: b23d7a5f4a ("ring-buffer: speed up buffer resets by avoiding synchronize_rcu for each CPU")
Reported-by: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The mute and micmute LEDs don't work on HP EliteBook 840 G7. The same
quirk for other HP laptops can let LEDs work, so apply it.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211110144033.118451-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We got the following WARNING when running ab/nginx
test with RDMA link flapping (up-down-up).
The reason is when smc_sock fallback and at linkdown
happens simultaneously, we may got the following situation:
__smc_lgr_terminate()
--> smc_conn_kill()
--> smc_close_active_abort()
smc_sock->sk_state = SMC_CLOSED
sock_put(smc_sock)
smc_sock was set to SMC_CLOSED and sock_put() been called
when terminate the link group. But later application call
close() on the socket, then we got:
__smc_release():
if (smc_sock->fallback)
smc_sock->sk_state = SMC_CLOSED
sock_put(smc_sock)
Again we set the smc_sock to CLOSED through it's already
in CLOSED state, and double put the refcnt, so the following
warning happens:
refcount_t: underflow; use-after-free.
WARNING: CPU: 5 PID: 860 at lib/refcount.c:28 refcount_warn_saturate+0x8d/0xf0
Modules linked in:
CPU: 5 PID: 860 Comm: nginx Not tainted 5.10.46+ #403
Hardware name: Alibaba Cloud Alibaba Cloud ECS, BIOS 8c24b4c 04/01/2014
RIP: 0010:refcount_warn_saturate+0x8d/0xf0
Code: 05 5c 1e b5 01 01 e8 52 25 bc ff 0f 0b c3 80 3d 4f 1e b5 01 00 75 ad 48
RSP: 0018:ffffc90000527e50 EFLAGS: 00010286
RAX: 0000000000000026 RBX: ffff8881300df2c0 RCX: 0000000000000027
RDX: 0000000000000000 RSI: ffff88813bd58040 RDI: ffff88813bd58048
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001
R10: ffff8881300df2c0 R11: ffffc90000527c78 R12: ffff8881300df340
R13: ffff8881300df930 R14: ffff88810b3dad80 R15: ffff8881300df4f8
FS: 00007f739de8fb80(0000) GS:ffff88813bd40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000a01b008 CR3: 0000000111b64003 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
smc_release+0x353/0x3f0
__sock_release+0x3d/0xb0
sock_close+0x11/0x20
__fput+0x93/0x230
task_work_run+0x65/0xa0
exit_to_user_mode_prepare+0xf9/0x100
syscall_exit_to_user_mode+0x27/0x190
entry_SYSCALL_64_after_hwframe+0x44/0xa9
This patch adds check in __smc_release() to make
sure we won't do an extra sock_put() and set the
socket to CLOSED when its already in CLOSED state.
Fixes: 51f1de79ad (net/smc: replace sock_put worker by socket refcounting)
Signed-off-by: Dust Li <dust.li@linux.alibaba.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: Dust Li <dust.li@linux.alibaba.com>
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a minus character missing from ERR_PTR(ENOMEM) so if this
allocation fails it will lead to an Oops in the caller.
Fixes: dc48516ec7 ("net/mlx5: Lag, add support to create definers for LAG")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The u64_stats_update_end() call is supposed to be inside the curly
braces so it pairs with the u64_stats_update_begin().
Fixes: 37149e9374 ("gve: Implement packet continuation for RX.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes the error detected when compiling the driver.
Fixes: 14d4e308e0 ("net: lantiq: configure the burst length in ethernet drivers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 6de6e46d27 ("cls_flower: Fix inability to match GRE/IPIP
packets"), cls_flower was fixed to match an outer packet of a tunneled
packet as would be expected, rather than dissecting to the inner packet and
matching on that.
This fix uncovered several issues in packet matching in mirroring
selftests:
- in mirror_gre_bridge_1d_vlan.sh and mirror_gre_vlan_bridge_1q.sh, the
vlan_ethtype match is copied around as "ip", even as some of the tests
are running over ip6gretap. This is fixed by using an "ipv6" for
vlan_ethtype in the ip6gretap tests.
- in mirror_gre_changes.sh, a filter to count GRE packets is set up to
match TTL of 50. This used to trigger in the offloaded datapath, where
the envelope TTL was matched, but not in the software datapath, which
considered TTL of the inner packet. Now that both match consistently, all
the packets were double-counted. This is fixed by marking the filter as
skip_hw, leaving only the SW datapath component active.
Fixes: 6de6e46d27 ("cls_flower: Fix inability to match GRE/IPIP packets")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently vosck_connect() increments sock refcount for nonblocking
socket each time it's called, which can lead to memory leak if
it's called multiple times because connect timeout function decrements
sock refcount only once.
Fixes it by making vsock_connect() return -EALREADY immediately when
sock state is already SS_CONNECTING.
Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit bfe301ebbc ("net: mvpp2: convert to use
mac_prepare()/mac_finish()") introduced a bug wherein it leaves the MAC
RESET register asserted after mac_finish(), due to wrong order of
function calls.
Before it was:
.mac_config()
mvpp22_mode_reconfigure()
assert reset
mvpp2_xlg_config()
deassert reset
Now it is:
.mac_prepare()
.mac_config()
mvpp2_xlg_config()
deassert reset
.mac_finish()
mvpp2_xlg_config()
assert reset
Obviously this is wrong.
This bug is triggered when phylink tries to change the PHY interface
mode from a GMAC mode (sgmii, 1000base-x, 2500base-x) to XLG mode
(10gbase-r, xaui). The XLG mode does not work since reset is left
asserted. Only after
ifconfig down && ifconfig up
is called will the XLG mode work.
Move the call to mvpp22_mode_reconfigure() to .mac_prepare()
implementation. Since some of the subsequent functions need to know
whether the interface is being changed, we unfortunately also need to
pass around the new interface mode before setting port->phy_interface.
Fixes: bfe301ebbc ("net: mvpp2: convert to use mac_prepare()/mac_finish()")
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is spurious to allocate a bitmap without initializing it.
So, better safe than sorry, initialize it to 0 at least to have some known
values.
While at it, switch to the devm_bitmap_ API which is less verbose.
Fixes: 4b41d34367 ("net: ethernet: ti: cpsw: allow untagged traffic on host port")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit fe28c53ed7 ("net: stmmac: fix taprio configuration when
base_time is in the past") allowed some base time values in the past,
but apparently not all, the base-time value of 0 (Jan 1st 1970) is still
explicitly denied by the driver.
Remove the bogus check.
Fixes: b60189e039 ("net: stmmac: Integrate EST with TAPRIO scheduler API")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
It looks like test_vxlan_under_vrf.sh is always failing to verify the
connectivity test during the ping between the two simulated VMs.
This is due to the fact that veth-hv in each VM should have a distinct
MAC address.
Fix by setting a unique MAC address on each simulated VM interface.
Without this fix:
$ sudo ./tools/testing/selftests/net/test_vxlan_under_vrf.sh
Checking HV connectivity [ OK ]
Check VM connectivity through VXLAN (underlay in the default VRF) [FAIL]
With this fix applied:
$ sudo ./tools/testing/selftests/net/test_vxlan_under_vrf.sh
Checking HV connectivity [ OK ]
Check VM connectivity through VXLAN (underlay in the default VRF) [ OK ]
Check VM connectivity through VXLAN (underlay in a VRF) [FAIL]
NOTE: the connectivity test with the underlay VRF is still failing; it
seems that ARP requests are blocked at the simulated hypervisor level,
probably due to some missing ARP forwarding rules. This requires more
investigation (in the meantime we may consider to set that test as
expected failure - XFAIL).
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Guangbin Huang says:
====================
net: hns3: add some fixes for -net
This series adds some fixes for the HNS3 ethernet driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, driver only allow configuring ETS bandwidth of TCs according
to the max TC number queried from firmware. However, the hardware actually
supports 8 TCs and users may need to configure ETS bandwidth of all TCs,
so remove the restriction.
Fixes: 330baff542 ("net: hns3: add ETS TC weight setting in SSU module")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If users set unicast mac address for VFs by PF, they need to guarantee all
VFs' address is different. This patch removes the check mac address exist
of VFs, for usrs can refresh mac addresses of all VFs directly without
need to modify the exist mac address to other value firstly.
Fixes: 8e6de441b8 ("net: hns3: add support for configuring VF MAC from the host")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When driver queries the register number of mac statistics from firmware,
the old firmware runs in device version V2 only returns number of valid
registers, not include number of three reserved registers among of them.
It cause driver doesn't record the last three data when query mac
statistics.
To fix this problem, driver never query register number in device version
V2 and set it to a fixed value which include three reserved registers.
Fixes: c8af2887c9 ("net: hns3: add support pause/pfc durations for mac statistics")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the driver processes rx packets, the head pointer is updated only
after the number of received packets reaches 16. However, hardware
relies on the head pointer to calculate the number of FBDs. As a result,
the hardware calculates the FBD incorrectly. Therefore, the driver
proactively updates the head pointer in each common poll to ensure that
the number of FBDs calculated by the hardware is correct.
Fixes: 68752b24f5 ("net: hns3: schedule the polling again when allocation fails")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, driver will send command to firmware to query pfc packet number
when user uses dcb tool to get pfc parameters. However, the periodic
service task will also periodically query and record MAC statistics,
including pfc packet number.
As the hardware registers of statistics is cleared after reading, it will
cause pfc packet number of MAC statistics are not correct after using dcb
tool to get pfc parameters.
To fix this problem, when user uses dcb tool to get pfc parameters, driver
updates MAC statistics firstly and then get pfc packet number from MAC
statistics.
Fixes: 64fd2300fc ("net: hns3: add support for querying pfc puase packets statistic")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, NIC init ROCE interrupt vector with MSIX interrupt. But ROCE use
pci_irq_vector() to get interrupt vector, which adds the relative interrupt
vector again and gets wrong interrupt vector.
So fixes it by assign relative interrupt vector to ROCE instead of MSIX
interrupt vector and delete the unused struct member base_msi_vector
declaration of hclgevf_dev.
Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, when driver is failed to add a new multicast mac address to
hardware due to the multicast mac table is full, it will directly return.
In this case, if the multicast mac list has some reuse addresses after the
new address, those reuse addresses will never be added to hardware.
To fix this problem, if function hclge_add_mc_addr_common() returns
-ENOSPC, hclge_sync_vport_mac_list() should judge whether continue or
stop to add next address.
As function hclge_sync_vport_mac_list() needs parameter mac_type to know
whether is uc or mc, refine this function to add parameter mac_type and
remove parameter sync. So does function hclge_unsync_vport_mac_list().
Fixes: ee4bcd3b7a ("net: hns3: refactor the MAC address configure")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge assorted fixes and cleanups and one new backlight quirk list
item for 5.16-rc1.
* acpica:
ACPI: Drop ACPI_USE_BUILTIN_STDARG ifdef from acgcc.h
* acpi-ec:
ACPI: EC: Remove initialization of static variables to false
ACPI: EC: Use ec_no_wakeup on HP ZHAN 66 Pro
* acpi-pmic:
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
* acpi-video:
ACPI: video: use platform backlight driver on Xiaomi Mi Pad 2
ACPI: video: Drop dmi_system_id.ident settings from video_detect_dmi_table[]
Merge new ACPI device configuration object _DSC support for 5.16-rc1.
* acpi-dsc:
Documentation: ACPI: Fix non-D0 probe _DSC object example
at24: Support probing while in non-zero ACPI D state
media: i2c: imx319: Support device probe in non-zero ACPI D state
ACPI: Add a convenience function to tell a device is in D0 state
Documentation: ACPI: Document _DSC object usage for enum power state
i2c: Allow an ACPI driver to manage the device's power state during probe
ACPI: scan: Obtain device's desired enumeration power state
The original patch adding the example used _DSC Name when Method was
intended. Fix this.
Also replace spaces used for indentation with tabs in the example.
Fixes: ed66f12ba4 ("Documentation: ACPI: Document _DSC object usage for enum power state")
Reported-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: 4873586278 ("Input: iforce - use DMA-safe buffer when getting IDs from USB")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org # 5.3
Link: https://lore.kernel.org/r/20211025115501.5190-1-johan@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The comment about the reused vmalloc helpers is no longer valid after
the recent change for the noncontig allocator. Drop the stale
comment.
Fixes: ad4f93ca41 ("ALSA: memalloc: Use proper SG helpers for noncontig allocations")
Link: https://lore.kernel.org/r/20211110063100.21359-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Modern devices may redraw display at 60 Hz, make sure we have one input
sample per one frame. Reduce sample period to 15ms, so we would get up
to 66.6 samples per second, although realistically with all the jitter
and extra scheduling wiggle room, we would end up just above 60 samples
per second. This should be a good compromise between sampling too often
and sampling too seldom.
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20211108114145.84118-1-marex@denx.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Currently the ili210x driver implements a threaded interrupt handler which
starts upon edge on the interrupt line, and then polls the touch controller
for samples. Every time a sample is obtained from the controller, the thread
function checks whether further polling is required, and if so, waits fixed
amount of time before polling for next sample.
The delay between consecutive samples can thus vary greatly, because the
I2C transfer required to retrieve the sample from the controller takes
different amount of time on different platforms. Furthermore, different
models of the touch controllers supported by this driver require different
delays during retrieval of samples too.
Instead of waiting fixed amount of time before polling for next sample,
determine how much time passed since the beginning of sampling cycle and
then wait only the remaining amount of time within the sampling cycle.
This makes the driver deliver samples with equal spacing between them.
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20211108005216.480525-1-marex@denx.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The ili251x touch controller needs 5ms delay between sending I2C device
address and register address, and, writing or reading register data.
According to downstream ili251x example code, this 5ms delay is not
required when reading touch samples out of the controller. Implement
such a special case.
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20211108005259.480545-1-marex@denx.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Some firmwares occasionally report bogus data from trackpoint, with X or Y
displacement being too large (outside of [-127, 127] range). Let's drop such
packets so that we do not generate jumps.
Signed-off-by: Phoenix Huang <phoenix@emc.com.tw>
Tested-by: Yufei Du <yufeidu@cs.unc.edu>
Link: https://lore.kernel.org/r/20210729010940.5752-1-phoenix@emc.com.tw
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There is a spelling mistake in a dev_info message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/20211108201817.43121-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
blank screen and other display rates fixes, and more.
Four patches targeting stable in here.
Display Fixes:
- DP rates related fixes (Imre, Jani)
- A Revert on disaling dual eDP that was causing state readout problems (Jani)
- put the cdclk vtables in const data (Jani)
- Fix DVO port type for moder platforms (Ville)
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown (Ville)
- CCS FBs related fixes (Imre)
GT fixes:
- Fix recursive lock in GuC submission (Matt Brost)
- Revert guc_id from i915_request tracepoint (Joonas)
- Build fix around dmabuf (Matt Auld)
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Merge tag 'drm-intel-next-fixes-2021-11-09' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Couple Reverts, build fix, couple virtualization fixes,
blank screen and other display rates fixes, and more.
Four patches targeting stable in here.
Display Fixes:
- DP rates related fixes (Imre, Jani)
- A Revert on disaling dual eDP that was causing state readout problems (Jani)
- put the cdclk vtables in const data (Jani)
- Fix DVO port type for moder platforms (Ville)
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown (Ville)
- CCS FBs related fixes (Imre)
GT fixes:
- Fix recursive lock in GuC submission (Matt Brost)
- Revert guc_id from i915_request tracepoint (Joonas)
- Build fix around dmabuf (Matt Auld)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YYsBif3HMi8GjLoU@intel.com
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Merge tag 'drm-misc-next-fixes-2021-11-05' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
A refcounting fix for outstanding fence callbacks.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211105074318.oy6rwjr5wcw6qpjj@gilmour
Model 88E6191X only supports >1G speeds on port 10. Port 0 and 9 are
only 1G.
Fixes: de776d0d31 ("net: dsa: mv88e6xxx: add support for mv88e6393x family")
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20211104171747.10509-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The driver has its own sysfs file to adjust the clock. Fortunately, it is
already in pbb, however, the sign it expects is the opposite of what the
RTC core does (which actually aligns with the RTC).
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211107225458.111068-12-alexandre.belloni@bootlin.com
Tell the RTC core UIE are not supported because the resolution of the alarm
is a minute.
Note that this is in fact also fixing how the resolution is reported as the
previous test was simply ensuring the alarm was more than a minute in the
future while the register has a minute resolution.
This would be ok if the alarm was a countdown but ab8500_rtc_read_alarm
suggests otherwise and the AB8500 datasheet states that the RTC
documentation is not public.
Finally, the comment is wrong and what makes the UIE emulation work is
uie_unsupported being set.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211107225458.111068-6-alexandre.belloni@bootlin.com
