[PATCH v3 2/5] PM / clock_ops: make __pm_clk_enable more generic
From: grygorii.strashko@ti.com (Grygorii Strashko)
Date: 2014-10-23 14:23:57
Also in:
linux-devicetree, linux-pm, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, hibernation (aka software suspend, aka swsusp), power management core, suspend to ram, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
Now there are two places in code which do the same things, so allow __pm_clk_enable() to accept pointer on pm_clock_entry structure as second parameter instead of pointer on clock and remove duplicated code. Also, updated function intended to be used by the following patch. CC: Santosh Shilimkar <ssantosh@kernel.org> CC: Kevin Hilman <redacted> CC: Ulf Hansson <redacted> CC: Geert Uytterhoeven <geert@linux-m68k.org> CC: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- drivers/base/power/clock_ops.c | 38 ++++++++++++++++---------------------- 1 file changed, 16 insertions(+), 22 deletions(-)
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index f14b767..c3b44c1 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c@@ -34,14 +34,20 @@ struct pm_clock_entry { /** * pm_clk_enable - Enable a clock, reporting any errors * @dev: The device for the given clock - * @clk: The clock being enabled. + * @ce: PM clock entry corresponding to the clock. */ -static inline int __pm_clk_enable(struct device *dev, struct clk *clk) +static inline int __pm_clk_enable(struct device *dev, struct pm_clock_entry *ce) { - int ret = clk_enable(clk); - if (ret) - dev_err(dev, "%s: failed to enable clk %p, error %d\n", - __func__, clk, ret); + int ret; + + if (ce->status < PCE_STATUS_ERROR) { + ret = clk_enable(ce->clk); + if (!ret) + ce->status = PCE_STATUS_ENABLED; + else + dev_err(dev, "%s: failed to enable clk %p, error %d\n", + __func__, ce->clk, ret); + } return ret; }
@@ -287,7 +293,6 @@ int pm_clk_resume(struct device *dev) struct pm_subsys_data *psd = dev_to_psd(dev); struct pm_clock_entry *ce; unsigned long flags; - int ret; dev_dbg(dev, "%s()\n", __func__);
@@ -296,13 +301,8 @@ int pm_clk_resume(struct device *dev) spin_lock_irqsave(&psd->lock, flags); - list_for_each_entry(ce, &psd->clock_list, node) { - if (ce->status < PCE_STATUS_ERROR) { - ret = __pm_clk_enable(dev, ce->clk); - if (!ret) - ce->status = PCE_STATUS_ENABLED; - } - } + list_for_each_entry(ce, &psd->clock_list, node) + __pm_clk_enable(dev, ce); spin_unlock_irqrestore(&psd->lock, flags);
@@ -411,7 +411,6 @@ int pm_clk_resume(struct device *dev) struct pm_subsys_data *psd = dev_to_psd(dev); struct pm_clock_entry *ce; unsigned long flags; - int ret; dev_dbg(dev, "%s()\n", __func__);
@@ -421,13 +420,8 @@ int pm_clk_resume(struct device *dev) spin_lock_irqsave(&psd->lock, flags); - list_for_each_entry(ce, &psd->clock_list, node) { - if (ce->status < PCE_STATUS_ERROR) { - ret = __pm_clk_enable(dev, ce->clk); - if (!ret) - ce->status = PCE_STATUS_ENABLED; - } - } + list_for_each_entry(ce, &psd->clock_list, node) + __pm_clk_enable(dev, ce); spin_unlock_irqrestore(&psd->lock, flags);
--
1.9.1