pinctrl: samsung: use raw_spinlock for s3c64xx

Convert 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: 1f306ecbe0 ("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>
Link: https://lore.kernel.org/r/20210127001631.91209-1-chanho61.park@samsung.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Chanho Park 2021-01-27 09:16:31 +09:00 committed by Linus Walleij
parent 9d5032f97e
commit ef1e21503c

View File

@ -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);
}
/*