diff options
| author | Chanho Park <chanho61.park@samsung.com> | 2021-01-27 09:16:31 +0900 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-01-27 09:12:12 +0100 |
| commit | ef1e21503cc41937b53d436c8f744ded95ab954b (patch) | |
| tree | 2c9a9ca0a9bd7b7531ad7c808773d5c97aa511e8 /drivers/pinctrl | |
| parent | 9d5032f97e9e0655e8c507ab1f43237e31520b00 (diff) | |
| download | lwn-ef1e21503cc41937b53d436c8f744ded95ab954b.tar.gz lwn-ef1e21503cc41937b53d436c8f744ded95ab954b.zip | |
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: 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>
Link: https://lore.kernel.org/r/20210127001631.91209-1-chanho61.park@samsung.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 4 |
1 files 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); } /* |