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Remove the following false positives compilation warning:
- drivers/clk/nxp/clk-lpc32xx.c: In function 'lpc32xx_clk_register':
warning: 'hw' may be used uninitialized in this function [-Wmaybe-uninitialized]
- drivers/clk/nxp/clk-lpc32xx.c: In function 'clk_hclk_pll_round_rate':
warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized]
warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
Tested using gcc version 4.7.3.
Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>
[sboyd@codeaurora.org: Drop assignment of hw to NULL as return
silences it and is less likely to lead to hiding problems later]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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In the initial fix for non-zero divider shift value, the parenthesis
was missing after the negate operation. This patch adds the required
parenthesis. Otherwise, lower bits may be cleared unintentionally.
Signed-off-by: Loc Ho <lho@apm.com>
Acked-by: Toan Le <toanle@apm.com>
Fixes: 1382ea631ddd ("clk: xgene: Fix divider with non-zero shift value")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This driver is a clk provider and not a clk consumer, so remove
the clk.h include. Also, drop clkdev.h because there's not clkdev
usage here either.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.
Along with the above mentioned Kconfig changes it seems appropriate
to also rename directories that only hold drivers for such SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-next
Pull shmobile clk updates from Geert Uytterhoeven:
- Fix a bug in the div6 clock driver that was exposed by CAN
support on R-Car H3,
- Add more module clocks for R-Car H3.
* 'clk-shmobile-for-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: shmobile: r8a7795: Add CAN FD peripheral clock
clk: shmobile: r8a7795: Add CANFD clock
clk: shmobile: r8a7795: Add CAN peripheral clock
clk: shmobile: div6: Fix .recalc_rate() using a stale divisor
clk: shmobile: r8a7795: Add LVDS module clock
clk: shmobile: r8a7795: Add FCP clocks
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This flag is a no-op now. Remove usage of the flag.
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Cc: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Andi Shyti <andi.shyti@samsung.com>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Reviewed-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Rhyland Klein <rklein@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: James Liao <jamesjj.liao@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Bintian Wang <bintian.wang@huawei.com>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This flag is a no-op now. Remove usage of the flag.
Cc: Lee Jones <lee@kernel.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-next
Pull i.MX clk updates from Shawn Guo:
The i.MX clock update for 4.6:
- Add the clock driver support for the latest i.MX6 family SoCs
addition - i.MX6QP.
- Clean up the whitespace in i.MX6UL clock driver and add the missing
KPP clock.
- Correct pwm7 clock name in i.MX6UL clock driver.
* tag 'imx-clk-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
clk: imx: add kpp clock for i.MX6UL
clk: imx: whitespace cleanup; no functional change
clk: imx: correct pwm7 clock name in driver for i.MX6UL
clk: imx: Add clock support for imx6qp
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next
Pull Allwinner clk updates from Maxime Ripard:
Allwinner clocks additions for 4.6
A bunch of things, mostly:
- Finally switched everything over to OF_CLK_DECLARE, which should remove
orphans clocks entirely
- Reworked the clk-factors to be able to add new parameters
- Improved the error reporting
- A bunch of new clocks for new SoCs.
* tag 'sunxi-clocks-for-4.6' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (25 commits)
clk: sunxi: Add apb0 gates for H3
clk: sunxi: Improve divs_clk error handling and reporting
clk: sunxi: improve divider_clk error handling and reporting
clk: sunxi: improve mux_clk error handling and reporting
clk: sunxi: Fix sun8i-a23-apb0-clk divider flags
clk: sunxi: Remove clk_register_clkdev calls
clk: sunxi: Remove old probe and protection code
clk: sunxi: convert current clocks registration to CLK_OF_DECLARE
clk: sunxi: Make clocks setup functions take const pointer
clk: sunxi: Make clocks setup functions return their clock
clk: sunxi: improve error reporting for the mux clock
clk: sunxi: don't mark sun6i_ar100_data __initconst
clk: sunxi: add bus gates for A83T
clk: sunxi: Add apb0 gates for A83T
clk: sunxi: rewrite sun8i-a23-mbus-clk using the simpler composite clk
clk: sunxi: rewrite sun6i-ar100 using factors clk
clk: sunxi: rewrite sun6i-a31-ahb1-clk using factors clk with custom recalc
clk: sunxi: factors: Drop round_rate from clk ops
clk: sunxi: factors: Support custom formulas
clk: sunxi: factors: Consolidate get_factors parameters into a struct
...
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The offset seems to have been copied from the sata clk. Fix it so
that enabling the crypto engine source clk works.
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fixes: 5f775498bdc4 ("clk: qcom: Fully support apq8064 global clock control")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Conflicts:
drivers/clk/Kconfig
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drivers/clk/ti/clk-814x.c:34:12: warning: symbol 'dm814x_adpll_early_init' was not declared. Should it be static?
drivers/clk/ti/clk-814x.c:58:12: warning: symbol 'dm814x_adpll_enable_init_clocks' was not declared. Should it be static?
drivers/clk/ti/adpll.c:465 ti_adpll_recalc_rate() warn: should '__readw(d->regs + 20) << 18' be a 64 bit type?
drivers/clk/ti/adpll.c:945 ti_adpll_probe() error: we previously assumed 'd->clocks' could be null (see line 921)
The last one looks like a real bug because we don't return an
error on allocation failure.
Cc: Tero Kristo <t-kristo@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The arch independent drivers can be build testeed with
COMPILE_TEST. Let's allow that for drivers/clk/ti.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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On dm814x we have 13 ADPLLs with 3 to 4 outputs on each. The
ADPLLs have several dividers and muxes controlled by a shared
control register for each PLL.
Note that for the clocks to work as device drivers for booting on
dm814x, this patch depends on "ARM: OMAP2+: Change core_initcall
levels to postcore_initcall" that has already been merged.
Also note that this patch does not implement clk_set_rate for the
PLL, that will be posted later on when available.
Cc: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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The clk_rcg_pixel_set_rate clk_op sets up the pre-divider by reading
its current value from the NS register.
Using the pre-divider wasn't really intended when creating these ops.
The pixel RCG was only intended to achieve fractional multiplication
provided in the pixel_table array. Leaving the pre-divider to the
existing register value results in a wrong pixel clock when the
bootloader sets up the display. This was left unidentified because
the IFC6410 Plus board on which this was verified didn't have a
bootloader that configured the display.
Don't set the RCG pre-divider in freq_tbl to the existing NS register
value. Force it to 1 and only use the M/N counter to achieve the desired
fractional multiplication.
Cc: Vinay Simha <vinaysimha@inforcecomputing.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add the necessary clock to use the KPP interface on i.MX6UL.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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remove whitespace before TAB.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Sparse complains here because we dropped the __iomem annotation
when casting the aligned address. Add __iomem back so that sparse
stops complaining.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: <uclinux-h8-devel@lists.sourceforge.jp>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: <linux-fbdev@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Change the types here to unsigned int instead of int and update
the checks for == 0 instead < 1 to be more explicit about what's
going on now that of_clk_get_parent_count() has changed return
types.
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The return type of of_clk_get_parent_count() is an unsigned int
now, so let's update the code here to be more explicit about the
range of values we can test for.
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The checks for < 0 are impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.
Cc: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The checks for < 1 can be simplified now that
of_clk_get_parent_count() returns an unsigned int. Update the
code to reflect the int to unsigned int change.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: <uclinux-h8-devel@lists.sourceforge.jp>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the type here.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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These checks for < 0 are impossible now that
of_clk_get_parent_count() returns an unsigned int. Change the
checks for == 0 and update the type.
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Russell King recently pointed out a bug in the clk-gpio code
where it fails to register the clk if of_clk_get_parent_count()
returns an error because the "clocks" property isn't present in
the DT node. If we're trying to count parents from DT we'd like
to know the count, not if there is a "clocks" property or not.
Furthermore, some drivers are assigning the return value to their
clk_init_data::num_parents member which is unsigned, leading to
potentially large numbers of parents when the property isn't
present.
Let's change the API to return an unsigned int instead of an int.
All the callers just want to know the count anyway, and this
avoids the bug that was in the clk-gpio driver.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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of_clk_init() uses for_each_matching_node_and_match() to find clock
providers, which returns all matching device nodes, whether they are
enabled or not. Hence clock providers that are disabled explicitly in DT
using e.g.
"status = "disabled";
are still activated.
Add a check to ignore device nodes that are not enabled, like
of_irq_init() does.
Reported-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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