- 09 5月, 2012 2 次提交
-
-
由 Mike Turquette 提交于
Exposing this option generates confusion and incorrect behavior for single-image builds across platforms. Enable this behavior permanently. Signed-off-by: NMike Turquette <mturquette@linaro.org> Acked-by: NSaravana Kannan <skannan@codeaurora.org>
-
由 Mike Turquette 提交于
Patch 'clk: always pass parent_rate into .round_rate' made a subtle change to the semantics of .round_rate. It is now expected for the parent's rate to always be passed in, simplifying the implemenation of various .round_rate callback definitions. However the patch also introduced a bug in clk_calc_new_rates whereby a clock without the CLK_SET_RATE_PARENT flag set could still propagate a rate change up to a parent clock if the the .round_rate callback modified the &best_parent_rate value in any way. This patch fixes the issue at the framework level (in clk_calc_new_rates) by specifically handling the case where the CLK_SET_RATE_PARENT flag is not set. Signed-off-by: NMike Turquette <mturquette@linaro.org> Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
-
- 02 5月, 2012 2 次提交
-
-
由 Viresh Kumar 提交于
This is well documented but isn't implemented. clk_set_rate() must check if flags have CLK_SET_RATE_GATE bit set and is enabled too. Signed-off-by: NViresh Kumar <viresh.kumar@st.com> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Saravana Kannan 提交于
Create a struct clk_init_data to hold all data that needs to be passed from the platfrom specific driver to the common clock framework during clock registration. Add a pointer to this struct inside clk_hw. This has several advantages: * Completely hides struct clk from many clock platform drivers and static clock initialization code that don't care for static initialization of the struct clks. * For platforms that want to do complete static initialization, it removed the need to directly mess with the struct clk's fields while still allowing to statically allocate struct clk. This keeps the code more future proof even if they include clk-private.h. * Simplifies the generic clk_register() function and allows adding optional fields in the future without modifying the function signature. * Simplifies the static initialization of clocks on all platforms by removing the need for forward delcarations or convoluted macros. Signed-off-by: NSaravana Kannan <skannan@codeaurora.org> [mturquette@linaro.org: kept DEFINE_CLK_* macros and __clk_init] Signed-off-by: NMike Turquette <mturquette@linaro.org> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Jeremy Kerr <jeremy.kerr@canonical.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergman <arnd.bergmann@linaro.org> Cc: Paul Walmsley <paul@pwsan.com> Cc: Shawn Guo <shawn.guo@freescale.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Jamie Iles <jamie@jamieiles.com> Cc: Richard Zhao <richard.zhao@linaro.org> Cc: Saravana Kannan <skannan@codeaurora.org> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Linus Walleij <linus.walleij@stericsson.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Amit Kucheria <amit.kucheria@linaro.org> Cc: Deepak Saxena <dsaxena@linaro.org> Cc: Grant Likely <grant.likely@secretlab.ca>
-
- 25 4月, 2012 11 次提交
-
-
由 Viresh Kumar 提交于
if (!clk->ops->round_rate && (clk->flags & CLK_SET_RATE_PARENT)) is true, then we don't need to set clk->new_rate here, as we will call clk_calc_subtree() afterwards and it also sets clk->new_rate. Signed-off-by: NViresh Kumar <viresh.kumar@st.com> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Shawn Guo 提交于
Need to propagate round_rate call for the clk that has no .round_rate operation but with flag CLK_SET_RATE_PARENT set. For example, clk_mux is a clk with no .round_rate operation. However, it could likely be in a clk_set_rate propagation path, saying it has parent clk who has .round_rate and .set_rate operations. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Shawn Guo 提交于
For most of .set_rate implementation, parent_rate will be used, so just like passing parent_rate into .recalc_rate, let's pass parent_rate into .set_rate too. It also updates the kernel doc for .set_rate ops. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Shawn Guo 提交于
The parent_rate will likely be used by most .round_rate implementation no matter whether flag CLK_SET_RATE_PARENT is set or not, so let's always pass parent_rate into .round_rate. Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mike Turquette 提交于
This patch cleans up clk_register and solves a few bugs by teaching clk_register and __clk_init to return error codes (instead of just NULL) to better align with the existing clk.h api. Along with that change this patch also introduces a new behavior whereby clk_register copies the parent_names array, thus allowing platforms to declare their parent_names arrays as __initdata. Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mark Brown 提交于
Drivers should be able to declare their arrays of parent names as const so the APIs need to accept const arguments. Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> [mturquette@linaro.org: constified gate] Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Rajendra Nayak 提交于
Most users of clk_get_rate() actually assume a non zero return value as a valid rate returned. Returing -EINVAL might confuse such users, so make it instead return zero on error. Besides the return value of clk_get_rate seems to be 'unsigned long'. Signed-off-by: NRajendra nayak <rnayak@ti.com> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mike Turquette 提交于
Documentation/clk.txt has some handsome ASCII art outlining which clk_ops are mandatory for a given clock, given the capability of the hardware. Enforce those mandates with sanity checks in __clk_init. Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mike Turquette 提交于
It is possible to call clk_set_rate on a clock with a NULL parent. One such example is an adjustable-rate root clock. Ensure that clk_calc_new_rates does not dereference parent without checking first and also handle the corner cases gracefully. Reported-by: NRajendra Nayak <rnayak@ti.com> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mike Turquette 提交于
Some static inline dummy functions were left over from before the clock core was consolidated from several C files down to one. Remove them. Reported-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
由 Mike Turquette 提交于
Remove old and misleading documentation from the previous clk_set_rate implementaion. Reported-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NMike Turquette <mturquette@linaro.org>
-
- 17 3月, 2012 1 次提交
-
-
由 Mike Turquette 提交于
The common clock framework defines a common struct clk useful across most platforms as well as an implementation of the clk api that drivers can use safely for managing clocks. The net result is consolidation of many different struct clk definitions and platform-specific clock framework implementations. This patch introduces the common struct clk, struct clk_ops and an implementation of the well-known clock api in include/clk/clk.h. Platforms may define their own hardware-specific clock structure and their own clock operation callbacks, so long as it wraps an instance of struct clk_hw. See Documentation/clk.txt for more details. This patch is based on the work of Jeremy Kerr, which in turn was based on the work of Ben Herrenschmidt. Signed-off-by: NMike Turquette <mturquette@linaro.org> Signed-off-by: NMike Turquette <mturquette@ti.com> Reviewed-by: NThomas Gleixner <tglx@linutronix.de> Tested-by: NAndrew Lunn <andrew@lunn.ch> Reviewed-by: Rob Herring <rob.herring <at> calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Jeremy Kerr <jeremy.kerr@canonical.com> Cc: Arnd Bergman <arnd.bergmann@linaro.org> Cc: Paul Walmsley <paul@pwsan.com> Cc: Shawn Guo <shawn.guo@freescale.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Richard Zhao <richard.zhao@linaro.org> Cc: Saravana Kannan <skannan@codeaurora.org> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Linus Walleij <linus.walleij@stericsson.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Amit Kucheria <amit.kucheria@linaro.org> Cc: Deepak Saxena <dsaxena@linaro.org> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: NArnd Bergmann <arnd@arndb.de>
-