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Date: Thu, 6 Nov 2014 09:31:56 -0800 From: Dmitry Torokhov <dmitry.torokhov@...il.com> To: Grygorii Strashko <grygorii.strashko@...com> Cc: ssantosh@...nel.org, "Rafael J. Wysocki" <rjw@...ysocki.net>, khilman@...aro.org, linux-pm@...r.kernel.org, Rob Herring <robh+dt@...nel.org>, grant.likely@...retlab.ca, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>, Geert Uytterhoeven <geert@...ux-m68k.org> Subject: Re: [PATCH v4 2/3] PM / clock_ops: make __pm_clk_enable more generic On Thu, Nov 06, 2014 at 03:51:01PM +0200, Grygorii Strashko wrote: > 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 following patch. > > CC: Santosh Shilimkar <ssantosh@...nel.org> > CC: Kevin Hilman <khilman@...aro.org> > CC: Ulf Hansson <ulf.hansson@...aro.org> > CC: Geert Uytterhoeven <geert@...ux-m68k.org> > CC: Dmitry Torokhov <dmitry.torokhov@...il.com> > Signed-off-by: Grygorii Strashko <grygorii.strashko@...com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@...il.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 f061eaa..b32b5d4 100644 > --- a/drivers/base/power/clock_ops.c > +++ b/drivers/base/power/clock_ops.c > @@ -35,14 +35,20 @@ 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; > } > @@ -293,7 +299,6 @@ 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__); > > @@ -302,13 +307,8 @@ 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); > > @@ -417,7 +417,6 @@ 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__); > > @@ -427,13 +426,8 @@ 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 > -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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