Commit Graph

1840 Commits

Author SHA1 Message Date
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.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABCAAGBQJVSIkAAAoJEE1bIKeAnHqLFQEP/RFCtAjGRMNlfK9ICX4CgD/d
 FuAKvNFeEDzkwDKsv3p5yafYpwKPT7KMuAFKjkM+45snJ9rEkJyK3KyN8xlK5Zkd
 djzYLOnncvMV0pkDUV6+2tGoRQJYpoObjiEs3T8XJnSOVPjnYB2ku84d4svOgSmB
 rMR7BmTXE9eLpy6IKBBHJvdsvpG9aEscKwzBAjNG5F0JDrB0NJpYiU4NjEysSZ4h
 fjKDpN91dz+20EKh9kyu3iFl5RrT0+ZZ2rJBT2YxnD9/vKvllFj42a37lFLolRFR
 CqtzQiAQ+fo0iDDkVaf+e1gTb0S4IV0whLhDKodi0kf1kkMD1Cs+4K77JOhHc+nI
 hZxedtfY5SXhXmIBs40DebFCEl1jDkU5B/LEzRN7l45xGlZyQRNM/qQj6dsz75qF
 thZJkHsRco1kbkG4IEdqS2uUElxucWUVNaSUi8CImzKzsYbNQz9vQ6npoeU5bLxN
 95hCsjxudw4ca9tStW47AJ1XetSojgaOfhFZ4dxaA3OwkAwiIntO7vHpS0py65c1
 /+76pBToSvIIoKQty7rRD8CpkTjJ3oYXV/jeaRtnA4ZaJz2KAQIfMaXwyUhxcxGo
 J6DbmxyLbTB3t34L1myRf8O3cgW002TeNrtX2t+ciGI1oNyvvAra5SOkNAimHB0M
 houAkloleelSzyenb6tL
 =NpqX
 -----END PGP SIGNATURE-----

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
Stephen Boyd
4dff95dc94 clk: Remove forward declared function prototypes
Move the code around so that we don't need to declare function
prototypes at the start of the file. Simplify
clk_core_is_prepared() and clk_core_is_enabled() too to make the
diff easier to read.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:39 -07:00
Stephen Boyd
1f3e198342 clk: Remove impossible if condition in clk_core_get_phase()
This condition can't ever be true because this function is static
and it's always called with a non-NULL pointer.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:37 -07:00
Stephen Boyd
d7d131512b clk: Drop unnecessary OOM prints
We don't need to print error messages when allocations fail.
We'll get a nice backtrace in such situations anyway.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:35 -07:00
Dong Aisheng
864e160ae5 clk: Squash __clk_{enable,disable}() into callers
These functions are only used in one place. Let's squash them
into their respective callers to save some lines.

Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
[sboyd@codeaurora.org: Redo commit text, add NULL check in
clk_enable()]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:33 -07:00
Stephen Boyd
d6968fca78 clk: s/clk/core/ for struct clk_core
While introducing struct clk_core we tried to minimize the diff
by changing the type of 'clk' variables from struct clk to struct
clk_core without changing the names of the variables. Now that
the split is complete, the code is slightly confusing when it
mixes variables called 'clk' and variables called 'core' that are
of the same type struct clk_core. Let's be consistent and use
'core' everywhere we have a struct clk_core pointer and 'clk'
when we have a struct clk pointer.

Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-04-30 16:28:24 -07:00
Chanwoo Choi
85943d7ea5 clk: exynos5433: Fix wrong PMS value of exynos5433_pll_rates
This patch fixes the wrong PMS value of exynos5433_pll_rates table
for {ATLAS|APOLLO|MEM0|MEM1|BUS|MFC|MPHY|G3D|DISP|ISP|_PLL.
- 720 MHz (mdiv=360, pdiv=6, sdiv=1) -> 700 MHz (mdiv=175, pdiv=3, sdiv=1)
- 350 MHz (mdiv=360, pdiv=6, sdiv=2) -> (mdiv=350, pdiv=6, sdiv=2)
- 133 MHz (mdiv=552, pdiv=6, sdiv=4) -> (mdiv=532, pdiv=6, sdiv=4)

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-04-29 14:11:35 +02:00
Chanwoo Choi
b57c93be79 clk: exynos5433: Fix wrong parent clock of sclk_apollo clock
This patch fixes the wrong parent clock of sclk_apollo clock
from 'div_apollo_pll' to 'div_apollo2'.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-04-29 14:11:34 +02:00
Jonghwa Lee
1a9f6c887d clk: exynos5433: Fix CLK_PCLK_MONOTONIC_CNT clk register assignment
CLK_PCLK_MONOTONIC_CNT clock had a wrong register assigned to it.
The correct register is ENABLE_PCLK_MIF_SECURE_MONOTONIC_CNT.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-04-29 14:11:09 +02:00
Jonghwa Lee
a84d1f546c clk: exynos5433: Fix wrong offset of PCLK_MSCL_SECURE_SMMU_JPEG
This patch fixes the wrong offoset of PCLK_MSCL_SECURE_SMMU_JPEG in CMU_MSCL
domain.

Fixes: b274bbfd8b (clk: samsung: exynos5433: Add clocks for CMU_MSCL domain)
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-04-29 13:19:43 +02:00
Chanwoo Choi
ca082355b5 clk: Use CONFIG_ARCH_EXYNOS instead of CONFIG_ARCH_EXYNOS5433
This patch removes the CONFIG_ARCH_EXYNOS5433 and then use only the
CONFIG_ARCH_EXYNOS for ARM-64bit Exynos5433 SoC.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2015-04-29 13:19:28 +02:00
Linus Torvalds
e5ac320de1 ARM: SoC multiplatform code changes for v4.1
The changes here belong to two main platforms:
 
 - Atmel At91 is flipping the bit and going multiplatform. This includes some
   cleanups and removal of code, and the final flip of config dependencies
 
 - Shmobile has several platforms that are going multiplatform, but this
   branch also contains a bunch of cleanups that they weren't able to keep
   separate in a good way. THere's also a removal of one of their SoCs and the
   corresponding boards (sh7372 and mackerel).
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJVNzfJAAoJEIwa5zzehBx3iRcP/1v9Rw2yk4NpUDaz5EUwhwN6
 y5l29gW8jJmVuHWqLUqsgh61dsj5AEEAL7fEEbR8e8848s+RxsehjsGPIxFOkR74
 KaKSRlrUgxKcsFN97Jo/WqT3seC83hg6zWQapwNypX33gBtrRLPhM9FEb05asYA8
 6x7N29kFeH9M3A6lrabXGWz5tPRZSthwuBSmomHOfgqa5zbgkoaK59j867Yac0q+
 Pemh0eJZHC3Pyrmh7ZcVaCaSvr1QO6ructmLopmHAXfls2Fi21wq3IN3641aiitC
 G7hhb1/c961MpE3p+0dQyrXs645qIgYv/fDxp72T8YwA7FhjMmIscX/WiITXMlvC
 Mg/fDJXqgRkTPWjvVM6xF8TKCSdvqfmErWtHt2dtgvbFWL0ffSeoYF35AF5BODVG
 jp8RR6vQ/CHKFao5iJmTpm0ccjnzdS82FEb0PrhG0vY+u6uCsKMim5tn8wUBuBkM
 QU2FipNt6STC5ZcCSb+p7r5ihod9rG+BlNL/eXJ+pBHuVnjSgltEaZBP9qIiFjZl
 MLRjm7JaEY3LpAR/TVurtSrUnh0zC0RRSzptK4RekmFIwyL+mqq/I1yrksdnVjgf
 upj1dZwFRsVtD5PcaU3LyTYCOLSI8L9+b6vVvfFH0Sq4V7TkaBkI/kxnhI2WfkBc
 CJ+3vptpyphw6zHAngAN
 =Vq4N
 -----END PGP SIGNATURE-----

Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code changes from Olof Johansson:
 "The changes here belong to two main platforms:

   - Atmel At91 is flipping the bit and going multiplatform.  This
     includes some cleanups and removal of code, and the final flip of
     config dependencies

   - Shmobile has several platforms that are going multiplatform, but
     this branch also contains a bunch of cleanups that they weren't
     able to keep separate in a good way.  THere's also a removal of one
     of their SoCs and the corresponding boards (sh7372 and mackerel)"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: at91/pm: move AT91_MEMCTRL_* to pm.h
  ARM: at91/pm: move the standby functions to pm.c
  ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected
  ARM: at91: add a Kconfig dependency on multi-platform
  ARM: at91: drop AT91_TIMER_HZ
  ARM: at91: remove hardware.h
  ARM: at91: remove SoC headers
  ARM: at91: remove useless mach/cpu.h
  ARM: at91: remove unused headers
  ARM: at91: switch at91_dt_defconfig to multiplatform
  ARM: at91: switch to multiplatform
  ARM: shmobile: r8a7778: enable multiplatform target
  ARM: shmobile: bockw: add sound to DT
  ARM: shmobile: r8a7778: add sound to DT
  ARM: shmobile: bockw: add devices hooked up to i2c0 to DT
  DT: i2c: add trivial binding for OKI ML86V7667 video decoder
  ARM: shmobile: r8a7778: common clock framework CPG driver
  ARM: shmobile: bockw dts: set extal clock frequency
  ARM: shmobile: bockw dts: Move Ethernet node to BSC
  ARM: shmobile: r8a73a4: Remove legacy code
  ...
2015-04-22 09:20:15 -07:00
Linus Torvalds
e98bf5cedf The changes to the common clock framework for 4.0 are mostly new clock
drivers and updates to existing ones for feature enhancements and bug
 fixes. There is more churn than usual in the framework core due to the
 change to introduce per-user unique struct clk pointers in 4.0. This
 caused several regressions to surface, some of which were sent as fixes
 to 4.0. New generic clock drivers were added for GPIO- and PWM-based
 clock controllers. Additionally the common clk-divider code recieved
 several fixes to the way it rounds rates.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJVNcIIAAoJEKI6nJvDJaTU3a8QAM+fjhDMY5xpI6VIbxZaA2aR
 VUofw9/rdAtP1UdwtlSKBvCqpwwqt/U7zlMWU9v+UvTjYdHIf9SIDQoJnd+uEtwL
 roz/kNeB7WOVyxwbTJ2B5fjvPSN+mq8Rm8ANDcL8ZOGxxtt2Mip1IWMAlx2XUnwG
 tYZhB7EfKzLHZRblOdn2Q4U/4T+KXOFTSO+Gb9o2J0I2sJLI0NRXhcl9Fcoo8KVz
 G0ACWa0F1WKsbqzBATnhtYiKkuC3BeiS2eMuTVTlkP+Gd6YQ2f1zWLeBfXEiPGZb
 q0p/qTrUFLHbRoJMMuWaUfaBxb8PeUfM6yllxrzvRxPJU25pbj8OW/O5ZAe9xP8G
 S17sQ2nhEoWZW9hqbuA39IcLGa6RjT+TD+z3kmXQ9ZvCVDN2Oqqb/4ZNViwAvQq7
 t67EfV7hGXty3Q58tS4XE9hHfwY+9YqMDLNIS/ED+hP8rcxTmiLlAIyk+qbT3b0l
 Q+375Ar7iCgihPPHYxeM5Qe1+Vsfh4NjR9thdAbT245MB3f90ULb+GNP/izUDOgA
 c/Ot6pStVFEUxTol6RlcLb85PugzrkoBOF/8ZLySdMLhALjPwaFcQZ1sFdcKUKlE
 tt7sZKQgbbCfqYGS9K264uUfWbdmZh05zhtkH0xUjyQpyIcnrYQsSIIEEnlbYnPp
 0D55nooSGROKeud+gyrx
 =2LMr
 -----END PGP SIGNATURE-----

Merge tag 'clk-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clock framework updates from Michael Turquette:
 "The changes to the common clock framework for 4.0 are mostly new clock
  drivers and updates to existing ones for feature enhancements and bug
  fixes.

  There is more churn than usual in the framework core due to the change
  to introduce per-user unique struct clk pointers in 4.0.  This caused
  several regressions to surface, some of which were sent as fixes to
  4.0.  New generic clock drivers were added for GPIO- and PWM-based
  clock controllers.

  Additionally the common clk-divider code recieved several fixes to the
  way it rounds rates"

* tag 'clk-for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (91 commits)
  clk: check ->determine/round_rate() return value in clk_calc_new_rates
  clk: at91: usb: propagate rate modification to the parent clk
  clk: samsung: exynos4: Disable ARMCLK down feature on Exynos4210 SoC
  clk: don't use __initconst for non-const arrays
  clk: at91: change to using endian agnositc IO
  clk: clk-gpio-gate: Fix active low
  clk: Add PWM clock driver
  clk: Add clock driver for mb86s7x
  clk: pxa: pxa3xx: add missing os timer clock
  clk: tegra: Use the proper parent for plld_dsi
  clk: tegra: Use generic tegra_osc_clk_init() on Tegra114
  clk: tegra: Model oscillator as clock
  clk: tegra: Add peripheral registers for bank Y
  clk: tegra: Register the proper number of resets
  clk: tegra: Remove needless initializations
  clk: tegra: Use consistent indentation
  clk: tegra: Various whitespace cleanups
  clk: tegra: Enable HDA to HDMI clocks on Tegra124
  clk: tegra: Fix a bunch of sparse warnings
  clk: tegra: Fix typo tabel -> table
  ...
2015-04-21 09:24:09 -07:00
Linus Torvalds
bfaf245022 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "This is the main pull request for MIPS for Linux 4.1.  Most
  noteworthy:

   - Add more Octeon-optimized crypto functions
   - Octeon crypto preemption and locking fixes
   - Little endian support for Octeon
   - Use correct CSR to soft reset Octeons
   - Support LEDs on the Octeon-based DSR-1000N
   - Fix PCI interrupt mapping for the Octeon-based DSR-1000N
   - Mark prom_free_prom_memory() as __init for a number of systems
   - Support for Imagination's Pistachio SOC.  This includes arch and
     CLK bits.  I'd like to merge pinctrl bits later
   - Improve parallelism of csum_partial for certain pipelines
   - Organize DTB files in subdirs like other architectures
   - Implement read_sched_clock for all MIPS platforms other than
     Octeon
   - Massive series of 38 fixes and cleanups for the FPU emulator /
     kernel
   - Further FPU remulator work to support new features.  This sits on a
     separate branch which also has been pulled into the 4.1 KVM branch
   - Clean up and fixes for the SEAD3 eval board; remove unused file
   - Various updates for Netlogic platforms
   - A number of small updates for Loongson 3 platforms
   - Increase the memory limit for ATH79 platforms to 256MB
   - A fair number of fixes and updates for BCM47xx platforms
   - Finish the implementation of XPA support
   - MIPS FDC support.  No, not floppy controller but Fast Debug Channel :)
   - Detect the R16000 used in SGI legacy platforms
   - Fix Kconfig dependencies for the SSB bus support"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (265 commits)
  MIPS: Makefile: Fix MIPS ASE detection code
  MIPS: asm: elf: Set O32 default FPU flags
  MIPS: BCM47XX: Fix detecting Microsoft MN-700 & Asus WL500G
  MIPS: Kconfig: Disable SMP/CPS for 64-bit
  MIPS: Hibernate: flush TLB entries earlier
  MIPS: smp-cps: cpu_set FPU mask if FPU present
  MIPS: lose_fpu(): Disable FPU when MSA enabled
  MIPS: ralink: add missing symbol for RALINK_ILL_ACC
  MIPS: ralink: Fix bad config symbol in PCI makefile.
  SSB: fix Kconfig dependencies
  MIPS: Malta: Detect and fix bad memsize values
  Revert "MIPS: Avoid pipeline stalls on some MIPS32R2 cores."
  MIPS: Octeon: Delete override of cpu_has_mips_r2_exec_hazard.
  MIPS: Fix cpu_has_mips_r2_exec_hazard.
  MIPS: kernel: entry.S: Set correct ISA level for mips_ihb
  MIPS: asm: spinlock: Fix addiu instruction for R10000_LLSC_WAR case
  MIPS: r4kcache: Use correct base register for MIPS R6 cache flushes
  MIPS: Kconfig: Fix typo for the r2-to-r6 emulator kernel parameter
  MIPS: unaligned: Fix regular load/store instruction emulation for EVA
  MIPS: unaligned: Surround load/store macros in do {} while statements
  ...
2015-04-17 15:50:54 -04:00
Javi Merino
aa7762010a clk: bcm/kona: use DIV_ROUND_CLOSEST_ULL()
Now that the kernel provides DIV_ROUND_CLOSEST_ULL(), drop the internal
implementation and use the kernel one.

Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-17 09:03:55 -04:00
Boris Brezillon
03bc10ab5b clk: check ->determine/round_rate() return value in clk_calc_new_rates
->determine_rate() and ->round_rate() can return the closest rate to the
requested one or an error code.
clk_calc_new_rates is assuming these functions can't return a negative
value, which leads to a undefined behavior when the clk implementation
returns such an error code.
Fix this by returning NULL in case ->determine_rate() or ->round_rate()
returned an error code.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-12 21:09:49 -07:00
Boris Brezillon
4591243102 clk: at91: usb: propagate rate modification to the parent clk
The at91sam9n12 and at91sam9x5 usb clocks do not propagate rate
modification requests to their parents.
This causes a bug when the PLLB is left uninitialized by the bootloader
(PLL multiplier set to 0, or in other words, PLL rate = 0 Hz).

Implement the determinate_rate method and propagate the change rate
request to the parent clk.

Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Bo Shen <voice.shen@atmel.com>
Tested-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-12 21:08:51 -07:00
Bartlomiej Zolnierkiewicz
3a9e9cb65b clk: samsung: exynos4: Disable ARMCLK down feature on Exynos4210 SoC
Commit 42773b28e7 ("clk: samsung: exynos4: Enable ARMCLK
down feature") enabled ARMCLK down feature on all Exynos4
SoCs.  Unfortunately on Exynos4210 SoC ARMCLK down feature
causes a lockup when ondemand cpufreq governor is used.
Fix it by limiting ARMCLK down feature to Exynos4x12 SoCs.

This patch was tested on:
- Exynos4210 SoC based Trats board
- Exynos4210 SoC based Origen board
- Exynos4412 SoC based Trats2 board
- Exynos4412 SoC based Odroid-U3 board

Cc: Daniel Drake <drake@endlessm.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Fixes: 42773b28e7 ("clk: samsung: exynos4: Enable ARMCLK down feature")
Cc: <stable@vger.kernel.org> # v3.17+
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-12 20:58:54 -07:00
Uwe Kleine-König
692d8328e8 clk: don't use __initconst for non-const arrays
The statement

	static const char *name[];

defines a modifiable array of pointers to constant chars. That is

	*name[0] = 'f';

is forbidden, but

	name[0] = "f";

is not. So marking an array that is defined as above with __initconst is
wrong. Either an additional const must be added such that the whole
definition reads:

	static const char *const name[] __initconst;

or where this is not possible __initdata must be used.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-12 17:18:27 -07:00
Michael Turquette
c14deee398 clk/tegra: Changes for v4.1-rc1
These are mostly cleanups that I've been carrying in my local tree for
 far too long. In addition to those, there are some preparatory patches
 for the upcoming Tegra210 support and a patch to enable clocks needed
 for HDMI audio support.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQIcBAABCAAGBQJVJ9p+AAoJEN0jrNd/PrOhXC0QAL0+R6DNrekhtdp7VBwEpABA
 kSku2EmcHs+Q+hbZY0CoifZkuRbdZEPYJOwwDDSy/cYqKhS4Hj1yHFywNe9Yq/8F
 toBVtneRPcBILwY61V5G9PRL493CZlmT3RYsZ6/WLTL45VromIYeRmVXYXYMMaRz
 AqbrKGrrROiG18tfDhfSLIethg+pJPS5abREnZPoplk822V91hP4NPXOlJLv6uIv
 gETDCUBbQ5P/VZdqyTyEutq1r5AyL+dTV16b44APY8XeoIyGzo9wM7dT3t69eTaV
 sculQoInC4GqWs/hWmCaIHLvLhKWj8vKPbmsCDRkwMT33Ssj1/Qhz6gWBDbtH+tV
 IHBwOoh0emn9pf0kdzEqpR4Xj2DY4nlsO6hjLT8yHIxaZRIoPmssy697z/x+Go0M
 xRSi+j98sr/tfOCe4936xjqiYAwXx3Hqs30ew9KO3zyd5bpR2CAGjpyV6LBTZ48e
 6T7uXmeoEBxqj/OWcG5fJOjSacAHPnA8224svFFqtg7fJlPUmCI9mpv6rEEvNIGa
 rDuFtGgPAH++wBJYlNGR7hJkUkyx23BchBtqByw3QJPIYuD/MZmHjUf1HyiS4eqj
 zS5rBhACnf4SX0TZgcpkaWB4RPLpBikVHgcVt2Q4a5SuEMqTR78XsnDrOhzjT0ZO
 i03CI2EoFSXooZq9rpZ9
 =4zxP
 -----END PGP SIGNATURE-----

Merge tag 'clk/for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-next

clk/tegra: Changes for v4.1-rc1

These are mostly cleanups that I've been carrying in my local tree for
far too long. In addition to those, there are some preparatory patches
for the upcoming Tegra210 support and a patch to enable clocks needed
for HDMI audio support.
2015-04-10 18:06:55 -07:00
Martin Fuzzey
820ad9752c clk: clk-gpio-gate: Fix active low
The active low flag in the DT cell is currently ignored.

This occurs because of_get_named_gpio_flags() does not apply the flags
to the underlying struct gpio_desc so the test in clk_register_gpio_gate()
was bogus.

Note that this patch changes the internal kernel API for
clk_register_gpio_gate() but there are currently no other users.

Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Acked-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-04-10 17:45:30 -07:00