| Message ID | 20210127001631.91209-1-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | pinctrl: samsung: use raw_spinlock for s3c64xx | expand |
On Wed, Jan 27, 2021 at 09:16:31AM +0900, Chanho Park wrote: > This patch converts spin_[lock|unlock] functions of pin bank to > raw_spinlock to support preempt-rt for pinctrl-s3c64xx. Below patch > converted spinlock_t to raw_spinlock_t but it didn't convert the > s3c64xx's spinlock. Please, don't use "This patch": https://elixir.bootlin.com/linux/latest/source/Documentation/process/submitting-patches.rst#L89 The commit title should be changed - this is a fix now. > > Fixes: 1f306ecbe0f6 ("pinctrl: samsung: use raw_spinlock for locking") > No line break. Best regards, Krzysztof > Cc: Tomasz Figa <tomasz.figa@gmail.com> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> > Cc: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Chanho Park <chanho61.park@samsung.com> > --- > drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c > index b8166e3fe4ce..53e2a6412add 100644 > --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c > +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c > @@ -286,14 +286,14 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d, > shift = shift * bank_type->fld_width[PINCFG_TYPE_FUNC]; > mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; > > - spin_lock_irqsave(&bank->slock, flags); > + raw_spin_lock_irqsave(&bank->slock, flags); > > val = readl(reg); > val &= ~(mask << shift); > val |= bank->eint_func << shift; > writel(val, reg); > > - spin_unlock_irqrestore(&bank->slock, flags); > + raw_spin_unlock_irqrestore(&bank->slock, flags); > } > > /* > -- > 2.30.0 >
On Wed, Jan 27, 2021 at 1:16 AM Chanho Park <chanho61.park@samsung.com> wrote: > This patch converts spin_[lock|unlock] functions of pin bank to > raw_spinlock to support preempt-rt for pinctrl-s3c64xx. Below patch > converted spinlock_t to raw_spinlock_t but it didn't convert the > s3c64xx's spinlock. > > Fixes: 1f306ecbe0f6 ("pinctrl: samsung: use raw_spinlock for locking") > Cc: Tomasz Figa <tomasz.figa@gmail.com> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> > Cc: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Chanho Park <chanho61.park@samsung.com> Fixed up the patch commit text a bit as indicated by Krzysztof and applied so the tree compiles again. Thanks for fixing! Yours, Linus Walleij
> Fixed up the patch commit text a bit as indicated by Krzysztof and applied > so the tree compiles again. > Thanks for fixing! Thanks a lot. I'll check them up carefully next time :) Best Regards, Chanho Park
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index b8166e3fe4ce..53e2a6412add 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -286,14 +286,14 @@ static void s3c64xx_irq_set_function(struct samsung_pinctrl_drv_data *d, shift = shift * bank_type->fld_width[PINCFG_TYPE_FUNC]; mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; - spin_lock_irqsave(&bank->slock, flags); + raw_spin_lock_irqsave(&bank->slock, flags); val = readl(reg); val &= ~(mask << shift); val |= bank->eint_func << shift; writel(val, reg); - spin_unlock_irqrestore(&bank->slock, flags); + raw_spin_unlock_irqrestore(&bank->slock, flags); } /*
This patch converts spin_[lock|unlock] functions of pin bank to raw_spinlock to support preempt-rt for pinctrl-s3c64xx. Below patch converted spinlock_t to raw_spinlock_t but it didn't convert the s3c64xx's spinlock. Fixes: 1f306ecbe0f6 ("pinctrl: samsung: use raw_spinlock for locking") Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Chanho Park <chanho61.park@samsung.com> --- drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)