Pull clk updates from Stephen Boyd:
 "This time we have a good set of changes to the core framework that do
  some general cleanups, but nothing too major. The majority of the diff
  goes to two SoCs, Actions Semi and Qualcomm. A brand new driver is
  introduced for Actions Semi so it takes up some lines to add all the
  different types, and the Qualcomm diff is there because we add support
  for two SoCs and it's quite a bit of data.

  Otherwise the big driver updates are on TI Davinci and Amlogic
  platforms. And then the long tail of driver updates for various fixes
  and stuff follows after that.

  Core:
   - debugfs cleanups removing error checking and an unused provider API
   - Removal of a clk init typedef that isn't used
   - Usage of match_string() to simplify parent string name matching
   - OF clk helpers moved to their own file (linux/of_clk.h)
   - Make clk warnings more readable across kernel versions

  New Drivers:
   - Qualcomm SDM845 GCC and Video clk controllers
   - Qualcomm MSM8998 GCC
   - Actions Semi S900 SoC support
   - Nuvoton npcm750 microcontroller clks
   - Amlogic axg AO clock controller

  Removed Drivers:
   - Deprecated Rockchip clk-gate driver

  Updates:
   - debugfs functions stopped checking return values
   - Support for the MSIOF module clocks on Rensas R-Car M3-N
   - Support for the new Rensas RZ/G1C and R-Car E3 SoCs
   - Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
   - Berlin and Amlogic SPDX tagging
   - Usage of of_clk_get_parent_count() in more places
   - Proper implementation of the CDEV1/2 clocks on Tegra20
   - Allwinner H6 PRCM clock support and R40 EMAC support
   - Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
   - Round closest support for meson's mpll driver
   - Support for meson8b nand clocks and gxbb video decoder clocks
   - Mediatek mali clks
   - STM32MP1 fixes
   - Uniphier LD11/LD20 stream demux system clock"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (134 commits)
  clk: qcom: Export clk_fabia_pll_configure()
  clk: bcm: Update and add Stingray clock entries
  dt-bindings: clk: Update Stingray binding doc
  clk-si544: Properly round requested frequency to nearest match
  clk: ingenic: jz4770: Add 150us delay after enabling VPU clock
  clk: ingenic: jz4770: Enable power of AHB1 bus after ungating VPU clock
  clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle
  clk: ingenic: jz4770: Change OTG from custom to standard gated clock
  clk: ingenic: Support specifying "wait for clock stable" delay
  clk: ingenic: Add support for clocks whose gate bit is inverted
  clk: use match_string() helper
  clk: bcm2835: use match_string() helper
  clk: Return void from debug_init op
  clk: remove clk_debugfs_add_file()
  clk: tegra: no need to check return value of debugfs_create functions
  clk: davinci: no need to check return value of debugfs_create functions
  clk: bcm2835: no need to check return value of debugfs_create functions
  clk: no need to check return value of debugfs_create functions
  clk: imx6: add EPIT clock support
  clk: mvebu: use correct bit for 98DX3236 NAND
  ...

Replaces open-coded struct size calculations with struct_size() for
devm_*, f2fs_*, and sock_* allocations. Automatically generated (and
manually adjusted) from the following Coccinelle script:

// Direct reference to struct field.
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT), GFP)
+ alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP)

// mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL);
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(HANDLE, sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0]), GFP)
+ alloc(HANDLE, struct_size(VAR, ELEMENT, COUNT), GFP)

// Same pattern, but can't trivially locate the trailing element name,
// or variable name.
@@
identifier alloc =~ "devm_kmalloc|devm_kzalloc|sock_kmalloc|f2fs_kmalloc|f2fs_kzalloc";
expression HANDLE;
expression GFP;
expression SOMETHING, COUNT, ELEMENT;
@@

- alloc(HANDLE, sizeof(SOMETHING) + COUNT * sizeof(ELEMENT), GFP)
+ alloc(HANDLE, CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT), GFP)

Signed-off-by: Kees Cook <keescook@chromium.org>

One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:

struct foo {
    int stuff;
    void *entry[];
};

instance = kmalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);

Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:

instance = kmalloc(struct_size(instance, entry, count), GFP_KERNEL);

This patch makes the changes for kmalloc()-family (and kvmalloc()-family)
uses. It was done via automatic conversion with manual review for the
"CHECKME" non-standard cases noted below, using the following Coccinelle
script:

// pkey_cache = kmalloc(sizeof *pkey_cache + tprops->pkey_tbl_len *
//                      sizeof *pkey_cache->table, GFP_KERNEL);
@@
identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc";
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(sizeof(*VAR) + COUNT * sizeof(*VAR->ELEMENT), GFP)
+ alloc(struct_size(VAR, ELEMENT, COUNT), GFP)

// mr = kzalloc(sizeof(*mr) + m * sizeof(mr->map[0]), GFP_KERNEL);
@@
identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc";
expression GFP;
identifier VAR, ELEMENT;
expression COUNT;
@@

- alloc(sizeof(*VAR) + COUNT * sizeof(VAR->ELEMENT[0]), GFP)
+ alloc(struct_size(VAR, ELEMENT, COUNT), GFP)

// Same pattern, but can't trivially locate the trailing element name,
// or variable name.
@@
identifier alloc =~ "kmalloc|kzalloc|kvmalloc|kvzalloc";
expression GFP;
expression SOMETHING, COUNT, ELEMENT;
@@

- alloc(sizeof(SOMETHING) + COUNT * sizeof(ELEMENT), GFP)
+ alloc(CHECKME_struct_size(&SOMETHING, ELEMENT, COUNT), GFP)

Signed-off-by: Kees Cook <keescook@chromium.org>

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Running sparse on the samsung clk directory has some noise that we can
fix to look for future problems easier.

drivers/clk/samsung/clk-s3c2443.c:111:26: warning: symbol 's3c2443_common_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:139:26: warning: symbol 's3c2443_common_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:152:27: warning: symbol 's3c2443_common_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:186:28: warning: symbol 's3c2443_common_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:241:26: warning: symbol 's3c2416_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:247:26: warning: symbol 's3c2416_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:253:27: warning: symbol 's3c2416_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:263:28: warning: symbol 's3c2416_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:291:26: warning: symbol 's3c2443_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:296:27: warning: symbol 's3c2443_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:305:28: warning: symbol 's3c2443_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:321:26: warning: symbol 's3c2450_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:328:26: warning: symbol 's3c2450_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:334:27: warning: symbol 's3c2450_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:345:28: warning: symbol 's3c2450_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:368:33: warning: symbol 's3c2443_common_frate_clks' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2443.c:464:49: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2443.c:470:49: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2443.c:476:49: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2412.c:96:26: warning: symbol 's3c2412_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:108:35: warning: symbol 's3c2412_ffactor' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:128:26: warning: symbol 's3c2412_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:146:27: warning: symbol 's3c2412_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:177:28: warning: symbol 's3c2412_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:227:33: warning: symbol 's3c2412_common_frate_clks' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2412.c:292:43: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2410.c:98:26: warning: symbol 's3c2410_common_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:114:26: warning: symbol 's3c2410_common_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:119:27: warning: symbol 's3c2410_common_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:138:28: warning: symbol 's3c2410_common_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:203:26: warning: symbol 's3c2410_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:207:35: warning: symbol 's3c2410_ffactor' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:218:28: warning: symbol 's3c2410_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:272:26: warning: symbol 's3c244x_common_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:277:35: warning: symbol 's3c244x_common_ffactor' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:294:26: warning: symbol 's3c244x_common_dividers' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:302:27: warning: symbol 's3c244x_common_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:306:28: warning: symbol 's3c244x_common_aliases' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:321:26: warning: symbol 's3c2440_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:325:27: warning: symbol 's3c2440_gates' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:331:35: warning: symbol 's3c2442_ffactor' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:337:26: warning: symbol 's3c2442_muxes' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:346:33: warning: symbol 's3c2410_common_frate_clks' was not declared. Should it be static?
drivers/clk/samsung/clk-s3c2410.c:471:49: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2410.c:477:49: warning: Using plain integer as NULL pointer
drivers/clk/samsung/clk-s3c2410.c:483:49: warning: Using plain integer as NULL pointer

Signed-off-by: Stephen Boyd <sboyd@kernel.org>

This additional frequency is required for HDMI audio support
on Odroid U3 board.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

FIMC LITE SYSMMU devices are defined in exynos5250.dtsi, but clocks for
them are not instantiated by Exynos5250 clock provider driver. Add needed
definitions for those clocks to fix IOMMU probe failure:

ERROR: could not get clock /soc/sysmmu@13c40000:sysmmu(0)
exynos-sysmmu 13c40000.sysmmu: Failed to get device clock(s)!
exynos-sysmmu: probe of 13c40000.sysmmu failed with error -38
ERROR: could not get clock /soc/sysmmu@13c50000:sysmmu(0)
exynos-sysmmu 13c50000.sysmmu: Failed to get device clock(s)!
exynos-sysmmu: probe of 13c50000.sysmmu failed with error -38

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: bfed1074f213 ("clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks")
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

Adding these EPLL output frequency entries allows to support all required
audio sample rates on the CODEC and the HDMI interface on Peach-Pit
Chromebook.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

This allows changing the EPLL output frequency through the audio subsystem
clock tree leaf clocks. This change is needed to support audio on the HDMI
interface on Peach-Pi(t) Chromebook.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

Clocks related to DISP1 block require special handling for power domain
turn on/off sequences. Till now this was handled by Exynos power domain
driver, but that approach was limited only to some special cases. This
patch moves handling of those operations to clock controller driver.
This gives more flexibility and allows fine tune values of some
clock-specific registers. This patch moves handling of those mentioned
clocks to Exynos5 sub-CMU driver instantiated from Exynos5250 driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>