| Message ID | 20170521215958.19743-3-jbrunet@baylibre.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On Mon, May 22, 2017 at 12:59 AM, Jerome Brunet <jbrunet@baylibre.com> wrote: > Create a core function for set_phase, as it is done for set_rate and > set_parent. > > This rework is done to ease the integration of "protected" clock > functionality. > > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> > --- > drivers/clk/clk.c | 31 +++++++++++++++++++------------ > 1 file changed, 19 insertions(+), 12 deletions(-) > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c > index f5c371532509..6031fada37f9 100644 > --- a/drivers/clk/clk.c > +++ b/drivers/clk/clk.c > @@ -1873,6 +1873,23 @@ int clk_set_parent(struct clk *clk, struct clk *parent) > } > EXPORT_SYMBOL_GPL(clk_set_parent); > > +static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) > +{ > + int ret = -EINVAL; > + > + if (!core) > + return 0; > + > + trace_clk_set_phase(clk->core, degrees); ^ trace_clk_set_phase(core, degrees) > + > + if (core->ops->set_phase) > + ret = core->ops->set_phase(core->hw, degrees); > + > + trace_clk_set_phase_complete(core, degrees); > + > + return ret; > +} > + > /** > * clk_set_phase - adjust the phase shift of a clock signal > * @clk: clock signal source > @@ -1895,7 +1912,7 @@ EXPORT_SYMBOL_GPL(clk_set_parent); > */ > int clk_set_phase(struct clk *clk, int degrees) > { > - int ret = -EINVAL; > + int ret; > > if (!clk) > return 0; > @@ -1906,17 +1923,7 @@ int clk_set_phase(struct clk *clk, int degrees) > degrees += 360; > > clk_prepare_lock(); > - > - trace_clk_set_phase(clk->core, degrees); > - > - if (clk->core->ops->set_phase) > - ret = clk->core->ops->set_phase(clk->core->hw, degrees); > - > - trace_clk_set_phase_complete(clk->core, degrees); > - > - if (!ret) > - clk->core->phase = degrees; > - > + ret = clk_core_set_phase_nolock(clk->core, degrees); > clk_prepare_unlock(); > > return ret; > -- > 2.9.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-clk" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 2017-05-23 at 12:35 +0300, Adriana Reus wrote: > On Mon, May 22, 2017 at 12:59 AM, Jerome Brunet <jbrunet@baylibre.com> wrote: > > Create a core function for set_phase, as it is done for set_rate and > > set_parent. > > > > This rework is done to ease the integration of "protected" clock > > functionality. > > > > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> > > --- > > drivers/clk/clk.c | 31 +++++++++++++++++++------------ > > 1 file changed, 19 insertions(+), 12 deletions(-) > > > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c > > index f5c371532509..6031fada37f9 100644 > > --- a/drivers/clk/clk.c > > +++ b/drivers/clk/clk.c > > @@ -1873,6 +1873,23 @@ int clk_set_parent(struct clk *clk, struct clk > > *parent) > > } > > EXPORT_SYMBOL_GPL(clk_set_parent); > > > > +static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) > > +{ > > + int ret = -EINVAL; > > + > > + if (!core) > > + return 0; > > + > > + trace_clk_set_phase(clk->core, degrees); > > ^ trace_clk_set_phase(core, degrees) Shame ... Once again this is a poor use of 'git add --patch'. This particular diff ended up in patch 5. Thanks a lot for catching it! > > + > > + if (core->ops->set_phase) > > + ret = core->ops->set_phase(core->hw, degrees); > > + > > + trace_clk_set_phase_complete(core, degrees); > > + > > + return ret; > > +} > > + > > /** > > * clk_set_phase - adjust the phase shift of a clock signal > > * @clk: clock signal source > > @@ -1895,7 +1912,7 @@ EXPORT_SYMBOL_GPL(clk_set_parent); > > */ > > int clk_set_phase(struct clk *clk, int degrees) > > { > > - int ret = -EINVAL; > > + int ret; > > > > if (!clk) > > return 0; > > @@ -1906,17 +1923,7 @@ int clk_set_phase(struct clk *clk, int degrees) > > degrees += 360; > > > > clk_prepare_lock(); > > - > > - trace_clk_set_phase(clk->core, degrees); > > - > > - if (clk->core->ops->set_phase) > > - ret = clk->core->ops->set_phase(clk->core->hw, degrees); > > - > > - trace_clk_set_phase_complete(clk->core, degrees); > > - > > - if (!ret) > > - clk->core->phase = degrees; > > - > > + ret = clk_core_set_phase_nolock(clk->core, degrees); > > clk_prepare_unlock(); > > > > return ret; > > -- > > 2.9.4 > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-clk" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html
Quoting Jerome Brunet (2017-05-23 02:48:48) > On Tue, 2017-05-23 at 12:35 +0300, Adriana Reus wrote: > > On Mon, May 22, 2017 at 12:59 AM, Jerome Brunet <jbrunet@baylibre.com> wrote: > > > Create a core function for set_phase, as it is done for set_rate and > > > set_parent. > > > > > > This rework is done to ease the integration of "protected" clock > > > functionality. > > > > > > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> > > > --- > > > drivers/clk/clk.c | 31 +++++++++++++++++++------------ > > > 1 file changed, 19 insertions(+), 12 deletions(-) > > > > > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c > > > index f5c371532509..6031fada37f9 100644 > > > --- a/drivers/clk/clk.c > > > +++ b/drivers/clk/clk.c > > > @@ -1873,6 +1873,23 @@ int clk_set_parent(struct clk *clk, struct clk > > > *parent) > > > } > > > EXPORT_SYMBOL_GPL(clk_set_parent); > > > > > > +static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) > > > +{ > > > + int ret = -EINVAL; > > > + > > > + if (!core) > > > + return 0; > > > + > > > + trace_clk_set_phase(clk->core, degrees); > > > > ^ trace_clk_set_phase(core, degrees) > > Shame ... Once again this is a poor use of 'git add --patch'. > This particular diff ended up in patch 5. > > Thanks a lot for catching it! Patch looks good to me overall. Can you reply here with V3? I'll apply it to clk-next-protect for testing. Regards, Mike > > > > + > > > + if (core->ops->set_phase) > > > + ret = core->ops->set_phase(core->hw, degrees); > > > + > > > + trace_clk_set_phase_complete(core, degrees); > > > + > > > + return ret; > > > +} > > > + > > > /** > > > * clk_set_phase - adjust the phase shift of a clock signal > > > * @clk: clock signal source > > > @@ -1895,7 +1912,7 @@ EXPORT_SYMBOL_GPL(clk_set_parent); > > > */ > > > int clk_set_phase(struct clk *clk, int degrees) > > > { > > > - int ret = -EINVAL; > > > + int ret; > > > > > > if (!clk) > > > return 0; > > > @@ -1906,17 +1923,7 @@ int clk_set_phase(struct clk *clk, int degrees) > > > degrees += 360; > > > > > > clk_prepare_lock(); > > > - > > > - trace_clk_set_phase(clk->core, degrees); > > > - > > > - if (clk->core->ops->set_phase) > > > - ret = clk->core->ops->set_phase(clk->core->hw, degrees); > > > - > > > - trace_clk_set_phase_complete(clk->core, degrees); > > > - > > > - if (!ret) > > > - clk->core->phase = degrees; > > > - > > > + ret = clk_core_set_phase_nolock(clk->core, degrees); > > > clk_prepare_unlock(); > > > > > > return ret; > > > -- > > > 2.9.4 > > > > > > -- > > > To unsubscribe from this list: send the line "unsubscribe linux-clk" in > > > the body of a message to majordomo@vger.kernel.org > > > More majordomo info at http://vger.kernel.org/majordomo-info.html >
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index f5c371532509..6031fada37f9 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1873,6 +1873,23 @@ int clk_set_parent(struct clk *clk, struct clk *parent) } EXPORT_SYMBOL_GPL(clk_set_parent); +static int clk_core_set_phase_nolock(struct clk_core *core, int degrees) +{ + int ret = -EINVAL; + + if (!core) + return 0; + + trace_clk_set_phase(clk->core, degrees); + + if (core->ops->set_phase) + ret = core->ops->set_phase(core->hw, degrees); + + trace_clk_set_phase_complete(core, degrees); + + return ret; +} + /** * clk_set_phase - adjust the phase shift of a clock signal * @clk: clock signal source @@ -1895,7 +1912,7 @@ EXPORT_SYMBOL_GPL(clk_set_parent); */ int clk_set_phase(struct clk *clk, int degrees) { - int ret = -EINVAL; + int ret; if (!clk) return 0; @@ -1906,17 +1923,7 @@ int clk_set_phase(struct clk *clk, int degrees) degrees += 360; clk_prepare_lock(); - - trace_clk_set_phase(clk->core, degrees); - - if (clk->core->ops->set_phase) - ret = clk->core->ops->set_phase(clk->core->hw, degrees); - - trace_clk_set_phase_complete(clk->core, degrees); - - if (!ret) - clk->core->phase = degrees; - + ret = clk_core_set_phase_nolock(clk->core, degrees); clk_prepare_unlock(); return ret;
Create a core function for set_phase, as it is done for set_rate and set_parent. This rework is done to ease the integration of "protected" clock functionality. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- drivers/clk/clk.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-)