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Subject[PATCH -next v2] clk: pm_clock: provide stubs for pm_clk_runtime_suspend/_resume
Date
Add stubs for pm_clk_runtime_suspend() and pm_clk_runtime_resume()
to fix build errors when CONFIG_PM and CONFIG_PM_CLK are not enabled.

Fixes these build errors:

../drivers/clk/qcom/camcc-sc7180.c: In function ‘cam_cc_sc7180_probe’:
../drivers/clk/qcom/camcc-sc7180.c:1672:8: error: implicit declaration of function ‘pm_clk_runtime_resume’; did you mean ‘pm_runtime_resume’? [-Werror=implicit-function-declaration]
ret = pm_clk_runtime_resume(&pdev->dev);
^~~~~~~~~~~~~~~~~~~~~
../drivers/clk/qcom/camcc-sc7180.c:1681:3: error: implicit declaration of function ‘pm_clk_runtime_suspend’; did you mean ‘pm_runtime_suspend’? [-Werror=implicit-function-declaration]
pm_clk_runtime_suspend(&pdev->dev);
^~~~~~~~~~~~~~~~~~~~~~

Fixes: 15d09e830bbc ("clk: qcom: camcc: Add camera clock controller driver for SC7180")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: linux-pm@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: Taniya Das <tdas@codeaurora.org>
Cc: linux-next@vger.kernel.org
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
v2: move the function stubs to be inside the #else (for !CONFIG_PM)
as suggested by Nathan to fix another build error

include/linux/pm_clock.h | 8 ++++++++
1 file changed, 8 insertions(+)

--- linux-next-20201106.orig/include/linux/pm_clock.h
+++ linux-next-20201106/include/linux/pm_clock.h
@@ -27,6 +27,14 @@ extern int pm_clk_runtime_resume(struct
.runtime_resume = pm_clk_runtime_resume,
#else
#define USE_PM_CLK_RUNTIME_OPS
+static inline int pm_clk_runtime_suspend(struct device *dev)
+{
+ return 0;
+}
+static inline int pm_clk_runtime_resume(struct device *dev)
+{
+ return 0;
+}
#endif

#ifdef CONFIG_PM_CLK
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