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Commit Graph

1860 Commits

Author SHA1 Message Date
Stephen Boyd
6ae5fd3812 clk: xgene: Silence sparse warnings
drivers/clk/clk-xgene.c:77:43: warning: incorrect type in argument 1 (different address spaces)
drivers/clk/clk-xgene.c:77:43:    expected void *csr
drivers/clk/clk-xgene.c:77:43:    got void [noderef] <asn:2>*
...
drivers/clk/clk-xgene.c: In function ‘xgene_clk_enable’:
drivers/clk/clk-xgene.c:237:3: warning: format ‘%LX’ expects argument of type ‘long long unsigned int’, but argument 4 has type ‘phys_addr_t’ [-Wformat]
drivers/clk/clk-xgene.c:248:3: warning: format ‘%LX’ expects argument of type ‘long long unsigned int’, but argument 4 has type ‘phys_addr_t’ [-Wformat]

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:30 -07:00
Stephen Boyd
52127755fe clk: mmp: Silence sparse warnings
drivers/clk/mmp/clk-apbc.c:118:16: warning: symbol 'clk_apbc_ops' was not declared. Should it be static?
drivers/clk/mmp/clk-apmu.c:64:16: warning: symbol 'clk_apmu_ops' was not declared. Should it be static?

Cc: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:29 -07:00
Stephen Boyd
e45310bfcd clk: socfpga: Silence sparse warning
drivers/clk/socfpga/clk-periph.c:79:39: warning: Using plain integer as NULL pointer

Cc: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:28 -07:00
Stephen Boyd
11bee5e19a clk: versatile: Silence sparse warnings
drivers/clk/versatile/clk-sp810.c:159:29: error: incompatible types for operation (<=)
drivers/clk/versatile/clk-sp810.c:159:29:    left side has type char const *<noident>
drivers/clk/versatile/clk-sp810.c:159:29:    right side has type int
drivers/clk/versatile/clk-sp810.c:159:53: error: incompatible types for operation (<=)
drivers/clk/versatile/clk-sp810.c:159:53:    left side has type char const *<noident>
drivers/clk/versatile/clk-sp810.c:159:53:    right side has type int
drivers/clk/versatile/clk-sp810.c:138:13: warning: symbol 'clk_sp810_of_setup' was not declared. Should it be static?

Acked: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:27 -07:00
Stephen Boyd
412d6b47cc clk: ti: Silence sparse warnings
drivers/clk/ti/clk.c:125:31: warning: incorrect type in return expression (different address spaces)
drivers/clk/ti/clk.c:125:31:    expected void [noderef] <asn:2>*
drivers/clk/ti/clk.c:125:31:    got void *
drivers/clk/ti/clk.c:132:31: warning: incorrect type in return expression (different address spaces)
drivers/clk/ti/clk.c:132:31:    expected void [noderef] <asn:2>*
drivers/clk/ti/clk.c:132:31:    got void *
drivers/clk/ti/dpll.c:180:14: warning: symbol '_get_reg' was not declared. Should it be static?
drivers/clk/ti/fapll.c:624:32: warning: Using plain integer as NULL pointer
drivers/clk/ti/fapll.c:625:31: warning: Using plain integer as NULL pointer
drivers/clk/ti/fapll.c:630:40: warning: Using plain integer as NULL pointer
drivers/clk/ti/clk-dra7-atl.c:158:22: warning: symbol 'atl_clk_ops' was not declared. Should it be static?
drivers/clk/ti/clk-dra7-atl.c:170:39: warning: Using plain integer as NULL pointer

Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:26 -07:00
Stephen Boyd
8e6dd77ccc clk: st: Silence sparse warnings
drivers/clk/st/clkgen-mux.c:134:4: warning: symbol 'clkgena_divmux_get_parent' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:171:15: warning: symbol 'clkgena_divmux_recalc_rate' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:218:12: warning: symbol 'clk_register_genamux' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:388:13: warning: symbol 'st_of_clkgena_divmux_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:488:13: warning: symbol 'st_of_clkgena_prediv_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:625:13: warning: symbol 'st_of_clkgen_mux_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-mux.c:702:13: warning: symbol 'st_of_clkgen_vcc_setup' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:273:15: warning: symbol 'recalc_stm_pll800c65' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:300:15: warning: symbol 'recalc_stm_pll1600c65' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:324:15: warning: symbol 'recalc_stm_pll3200c32' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:346:15: warning: symbol 'recalc_stm_pll1200c32' was not declared. Should it be static?
drivers/clk/st/clkgen-pll.c:565:19: warning: incorrect type in assignment (different address spaces)
drivers/clk/st/clkgen-pll.c:565:19:    expected void [noderef] <asn:2>*reg
drivers/clk/st/clkgen-pll.c:565:19:    got void *
drivers/clk/st/clkgen-pll.c:576:18: warning: incorrect type in assignment (different address spaces)
drivers/clk/st/clkgen-pll.c:576:18:    expected void [noderef] <asn:2>*reg
drivers/clk/st/clkgen-pll.c:576:18:    got void *
drivers/clk/st/clkgen-pll.c:693:53: warning: incorrect type in argument 2 (different address spaces)
drivers/clk/st/clkgen-pll.c:693:53:    expected void *[noderef] <asn:2>reg
drivers/clk/st/clkgen-pll.c:693:53:    got void [noderef] <asn:2>*[assigned] pll_base
drivers/clk/st/clkgen-fsyn.c:495:5: warning: symbol 'clk_fs660c32_vco_get_rate' was not declared. Should it be static?
drivers/clk/st/clkgen-fsyn.c:522:5: warning: symbol 'clk_fs660c32_vco_get_params' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:119:15: warning: symbol 'flexgen_recalc_rate' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:177:12: warning: symbol 'clk_register_flexgen' was not declared. Should it be static?
drivers/clk/st/clk-flexgen.c:263:13: warning: symbol 'st_of_flexgen_setup' was not declared. Should it be static?

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:26 -07:00
Stephen Boyd
b011d386e9 clk: socfpga: Silence sparse warning
drivers/clk/socfpga/clk-gate.c:227:40: warning: Using plain integer as NULL pointer

Cc: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:25 -07:00
Stephen Boyd
f53f551b11 clk: sirf: Silence sparse warnings
These are __iomem pointers. Mark them appropriately so we don't
get sparse errors like

drivers/clk/sirf/clk-common.c:60:16: warning: incorrect type in argument 1 (different address spaces)
drivers/clk/sirf/clk-common.c:60:16:    expected void const volatile [noderef] <asn:2>*addr
drivers/clk/sirf/clk-common.c:60:16:    got void *

Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:24 -07:00
Stephen Boyd
43f535702b clk: emev2: Silence sparse warnings
drivers/clk/shmobile/clk-emev2.c:37:14: warning: symbol 'smu_base' was not declared. Should it be static?

Cc: Takashi Yoshii <takasi-y@ops.dti.ne.jp>
Cc: Magnus Damm <damm@opensource.se>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:23 -07:00
Stephen Boyd
f6704f9e19 clk: samsung: Silence sparse warnings
drivers/clk/samsung/clk-exynos5260.c:138:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:328:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:392:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:494:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:583:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:644:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:779:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:898:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:962:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:1018:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:1165:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:1373:40: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-exynos5260.c:1829:40: warning: Using plain integer as NULL pointer

Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:22 -07:00
Stephen Boyd
4a77f817b3 clk: hix5hd2: Silence sparse warnings
drivers/clk/hisilicon/clk-hix5hd2.c:255:13: warning: symbol 'hix5hd2_clk_register_complex' was not declared. Should it be static?

Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:21 -07:00
Stephen Boyd
47c18e4cd9 clk: berlin: Silence sparse warning
drivers/clk/berlin/berlin2-pll.c:94:12: warning: symbol 'berlin2_pll_register' was not declared. Should it be static?

Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:21 -07:00
Stephen Boyd
7926b3f8c6 clk: bcm/kona: Remove ccu_list
This list doesn't look to be used. Let's remove it and any
associated code that would be manipulating this list. This also
silences this error:

drivers/clk/bcm/clk-kona-setup.c:24:1: warning: symbol 'ccu_list' was not declared. Should it be static?

Reviewed-by: Alex Elder <elder@linaro.org>
Cc: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:20 -07:00
Stephen Boyd
4cca1be4bc clk: bcm/kona: Silence sparse warnings
drivers/clk/bcm/clk-kona.c:1243:16: warning: odd constant _Bool cast (ffffffffffffffea becomes 1)

Reviewed-by: Alex Elder <elder@linaro.org>
Cc: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:19 -07:00
Stephen Boyd
9a39222db6 clk: max-gen: Silence sparse warnings
drivers/clk/clk-max-gen.c:82:16: warning: symbol 'max_gen_clk_ops' was not declared. Should it be static?
drivers/clk/clk-max-gen.c:109:5: warning: symbol 'max_gen_clk_probe' was not declared. Should it be static?
drivers/clk/clk-max-gen.c:183:5: warning: symbol 'max_gen_clk_remove' was not declared. Should it be static?

Acked-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:18 -07:00
Stephen Boyd
562ef0b098 clk: Silence sparse warnings about __clk_{get,put}()
drivers/clk/clk.c:2700:5: warning: symbol '__clk_get' was not declared. Should it be static?
drivers/clk/clk.c:2713:6: warning: symbol '__clk_put' was not declared. Should it be static?

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:17 -07:00
Stephen Boyd
2bb5d1b88b clk: gpio-gate: Don't export __init functions
This function is marked as __init, so exposing it to modules
doesn't make any sense and it isn't used by modules anyway.

drivers/clk/clk-gpio-gate.c:192:13: warning: symbol 'of_gpio_gate_clk_setup' was not declared. Should it be static?

Cc: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 17:11:16 -07:00
Stephen Boyd
d122db7e86 clk: basic-types: Remove useless allocation failure printks
Printing an error on kmalloc() failures is unnecessary. Remove
the print and use *ptr in sizeof() for future-proof code.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 16:51:50 -07:00
Krzysztof Kozlowski
e0cdcda508 clk: ti: dra7-atl-clock: Fix possible ERR_PTR dereference
of_clk_get_from_provider() returns ERR_PTR on failure. The
dra7-atl-clock driver was not checking its return value and
immediately used it in __clk_get_hw().  __clk_get_hw()
dereferences supplied clock, if it is not NULL, so in that case
it would dereference an ERR_PTR.

Fixes: 9ac33b0ce8 ("CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-14 14:04:18 -07:00
Alexander Sverdlin
beb7a2a971 clk: axm55xx: Use %zu in pr_info for size_t
Fix the following compiler warning:

drivers/clk/clk-axm5516.c: In function 'axmclk_probe':
drivers/clk/clk-axm5516.c:559:2: warning: format '%u' expects argument of type 'unsigned int', but argument 2 has type 'size_t' [-Wformat=]
  pr_info("axmclk: supporting %u clocks\n", num_clks);
    ^

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-13 12:32:53 -07:00
Maxime Ripard
b1ed311baf clk: asm9260: Fix of_io_request_and_map error check
of_io_request_and map returns an error pointer, but the current code assumes
that on error the returned pointer will be NULL.

Obviously, that makes the check completely useless. Change the test to actually
check for the proper error code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-13 12:32:52 -07:00
Sergej Sawazki
45b03d3e88 clk: si5351: fix .recalc_rate for multisynth 6-7
MS6 and MS7 do not have the MSx_P3 field. Do the 'params.p3 == 0'
check for MS0-M5 only. See [AN619, p. 6] for details.

Referenced document:
[AN619] Manually Generating an Si5351 Register Map, Rev. 0.4

Signed-off-by: Sergej Sawazki <ce3a@gmx.de>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-05-13 11:52:06 -07:00
Sergej Sawazki
2073b5e909 clk: si5351: fix .round_rate for multisynth 6-7
The divider calculation for multisynth 6 and 7 differs from the
calculation for multisynth 0-5.

For MS6 and MS7, set MSx_P1 directly, MSx_P1=divide value
[AN619, p. 6].

Referenced document:
[AN619] Manually Generating an Si5351 Register Map, Rev. 0.4

Signed-off-by: Sergej Sawazki <ce3a@gmx.de>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-05-13 11:52:05 -07:00
Michael Turquette
8157356015 Merge branch 'clk-fixes' into clk-next 2015-05-08 11:57:23 -07:00
Sebastian Hesselbarth
0cd3be6e9a clk: si5351: Do not pass struct clk in platform_data
When registering clk-si5351 by platform_data, we should not pass struct clk
for the reference clocks. Drop struct clk from platform_data and rework the
driver to use devm_clk_get of named clock references.

While at it, check for at least one valid input clock and properly prepare/
enable valid reference clocks.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reported-by: Michael Welling <mwelling@ieee.org>
Reported-by: Jean-Francois Moine <moinejf@free.fr>
Reported-by: Russell King <rmk+linux@arm.linux.org.uk>
Tested-by: Michael Welling <mwelling@ieee.org>
Tested-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-05-08 11:22:30 -07:00
Michael Turquette
2ce8760469 clk/samsung fixes for 4.1
- missing CONFIG_ARCH_EXYNOS5433 -> CONFIG_ARCH_EXYNOS substitution
    to actually enable clk-exynos5433.c compilation,
  - fixes of exynos5433 clk tree definitions: register offsetts, parent
    clocks, PLL coefficients,
  - fix for exynos5420 system sleep regression introduced in 3.19.
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Merge tag 'clk-samsung-fixes-4.1-2' of git://linuxtv.org/snawrocki/samsung into clk-fixes

clk/samsung fixes for 4.1

 - missing CONFIG_ARCH_EXYNOS5433 -> CONFIG_ARCH_EXYNOS substitution
   to actually enable clk-exynos5433.c compilation,
 - fixes of exynos5433 clk tree definitions: register offsetts, parent
   clocks, PLL coefficients,
 - fix for exynos5420 system sleep regression introduced in 3.19.
2015-05-07 16:46:26 -07:00
Stephen Boyd
a633472519 clk: Add some more lockdep assertions
We don't check to make sure the enable_lock is held across
enable/disable and we don't check if the prepare_lock is held
across prepare/unprepare. Add some asserts to catch any future
locking problems.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-07 11:32:54 -07:00
Stephen Boyd
18e70efe3e Merge branch 'clk-fixes' into clk-next 2015-05-07 11:32:49 -07:00
Linus Walleij
a6ae41b54c clk: ux500: ape[ate|trace]clk are scaleable
The APEATCLK and APETRACECLK are actually scaleable so register
them as scaleable clocks.

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-07 11:32:39 -07:00
Felipe Balbi
70e9f4dde0 clk: add newline character after dumping all clocks
clk_dump() will dump data about all clocks in JSON
format, but it misses a newline character at the
end of the JSON string. This patch adds that missing
newline character.

Signed-off-by: Felipe Balbi <balbi@ti.com>
[sboyd@codeaurora.org: Squelch checkpatch with seq_puts()]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-07 11:32:37 -07:00
Dong Aisheng
d2a5d46b16 clk: add missing lock when call clk_core_enable in clk_set_parent
Before commit 035a61c314 ("clk: Make clk API return per-user
struct clk instances") we acquired the enable_lock in
__clk_set_parent_{before,after}() by means of calling
clk_enable(). After commit 035a61c314 we use clk_core_enable()
in place of the clk_enable(), and clk_core_enable() doesn't
acquire the enable_lock. This opens up a race condition between
clk_set_parent() and clk_enable(). Fix it.

Fixes: 035a61c314 ("clk: Make clk API return per-user struct clk instances")
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-06 16:58:53 -07:00
Krzysztof Kozlowski
d5255ec362 clk: s3c2410: Constify platform_device_id
The platform_device_id is not modified by the driver and core uses it as
const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:54 -07:00
Krzysztof Kozlowski
1237dc4430 clk: s3c2410: Staticize local symbols
Staticize symbols not exported and not used outside of file.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:52 -07:00
Krzysztof Kozlowski
2ad8b3fcf5 clk: ls1x: Fix duplicate const for parent names
Replace duplicated const keyword with proper array of const pointers to
const strings.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:50 -07:00
Krzysztof Kozlowski
45195b8f84 clk: sirf: Constify parent names in clock init data
The array of parent names can be made as array of const pointers to
const strings.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:48 -07:00
Krzysztof Kozlowski
f3db6f16bd clk: cdce706: Constify parent names in clock init data
The array of parent names can be made as array of const pointers to
const strings.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:46 -07:00
Krzysztof Kozlowski
6b8f9eabec clk: exynos: Staticize file-scope declarations
Add missing static to local (file-scope only) symbols.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:44 -07:00
Krzysztof Kozlowski
9b030bc929 clk: rockchip: Staticize file-scope declarations
Add missing static to local (file-scope only) symbols.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:42 -07:00
James Liao
c1e81a3bef clk: mediatek: Add basic clocks for Mediatek MT8173.
This patch adds basic clocks for MT8173, including TOPCKGEN, PLLs,
INFRA and PERI clocks.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:38 -07:00
James Liao
a8aede7948 clk: mediatek: Add basic clocks for Mediatek MT8135.
This patch adds basic clocks for MT8135, including TOPCKGEN, PLLs,
INFRA and PERI clocks.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:35 -07:00
Sascha Hauer
d633fb7ac1 clk: mediatek: Add reset controller support
The pericfg and infracfg units also provide reset lines to several
other SoC internal units. This adds a function which can be called
from the pericfg and infracfg initialization functions which will
register the reset controller using reset_controller_register. The
reset controller will provide support for resetting the units
connected to the pericfg and infracfg controller. The units resetted
by this controller can use the standard reset device tree binding
to gain access to the reset lines.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:33 -07:00
James Liao
9741b1a680 clk: mediatek: Add initial common clock support for Mediatek SoCs.
This patch adds common clock support for Mediatek SoCs, including plls,
muxes and clock gates.

Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[sboyd@codeaurora.org: Squelch checkpatch warning in clk-mtk.h]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:31 -07:00
Sascha Hauer
2893c37946 clk: make strings in parent name arrays const
The clk functions and structs declare the parent_name arrays as
'const char **parent_names' which means the parent name strings
are const, but the array itself is not. Use
'const char * const * parent_names' instead which also makes
the array const. This allows us to put the parent_name arrays into
the __initconst section.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[sboyd@codeaurora.org: Squelch 80-character checkpatch warnings]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-05 22:50:03 -07:00
Javier Martinez Canillas
97372e5a99 clk: exynos5420: Restore GATE_BUS_TOP on suspend
Commit ae43b32891 ("ARM: 8202/1: dmaengine: pl330: Add runtime Power
Management support v12") added pm support for the pl330 dma driver but
it makes the clock for the Exynos5420 MDMA0 DMA controller to be gated
during suspend and this in turn makes its parent clock aclk266_g2d to
be gated. But the clock needs to be ungated prior suspend to allow the
system to be suspend and resumed correctly.

Add GATE_BUS_TOP register to the list of registers to be restored when
the system enters into a suspend state so aclk266_g2d will be ungated.

Thanks to Abhilash Kesavan for figuring out that this was the issue.

Fixes: ae43b32 ("ARM: 8202/1: dmaengine: pl330: Add runtime Power Management support v12")
Cc: stable@vger.kernel.org # 3.19+
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-05-05 10:51:04 +02:00
Stephen Boyd
396e339a77 Merge branch 'clk-fixes' into clk-next 2015-05-01 18:25:10 -07:00
Krzysztof Kozlowski
d6c2767867 clk: at91: Constify irq_domain_ops
The irq_domain_ops are not modified by the driver and the irqdomain core
code accepts pointer to a const data.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-01 18:25:09 -07:00
Stefan Wahren
7cb81136d2 clk: Fix JSON output in debugfs
key/value pairs in a JSON object must be separated by a comma.
After adding the properties "accuracy" and "phase" the JSON output
of /sys/kernel/debug/clk/clk_dump is invalid.

So add the missing commas to fix it.

Fixes: 5279fc402a ("clk: add clk accuracy retrieval support")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
[sboyd@codeaurora.org: Added comment in function]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-05-01 18:25:08 -07:00
Georgi Djakov
5d45ed8f5b clk: qcom: Fix MSM8916 gfx3d_clk_src configuration
The gfx3d_clk_src parents configuration is incorrect. Fix it.

Fixes: 3966fab8b6 "clk: qcom: Add MSM8916 Global Clock Controller support"
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 18:42:55 -07:00
Georgi Djakov
52cdc33c38 clk: qcom: Fix MSM8916 venus divider value
One of the video codec clock frequencies has incorrect divider
value. Fix it.

Fixes: 3966fab8b6 "clk: qcom: Add MSM8916 Global Clock Controller support"
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 18:42:48 -07:00
Stephen Boyd
6e5ab41b10 clk: Update some comments to reflect reality
The debugfs clk directory no longer expresses a clk tree. Update
the comments around that apporiately. Also drop comments about
prepare locks needing to be held as we have the proper
annotations with lockdep_assert_held().

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:41 -07:00