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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-12 14:08:35 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-12 14:08:35 +0300
commit4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68 (patch)
tree533208f5479c17b9a7c162a425a967c7a7edf46b /drivers/pwm/pwm-atmel.c
parent0d2f2f4f27694a2214701e7482ab7599ce4e5e77 (diff)
parent449d48b1b99fdaa076166e200132705ac2bee711 (diff)
downloadlinux-4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68.tar.xz
Merge v6.17.2
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pwm/pwm-atmel.c')
-rw-r--r--drivers/pwm/pwm-atmel.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index b2f0abbbad63..06d22d0f7b26 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -91,9 +91,6 @@ struct atmel_pwm_chip {
* hardware.
*/
u32 update_pending;
-
- /* Protects .update_pending */
- spinlock_t lock;
};
static inline struct atmel_pwm_chip *to_atmel_pwm_chip(struct pwm_chip *chip)
@@ -145,8 +142,6 @@ static void atmel_pwm_update_pending(struct atmel_pwm_chip *chip)
static void atmel_pwm_set_pending(struct atmel_pwm_chip *chip, unsigned int ch)
{
- spin_lock(&chip->lock);
-
/*
* Clear pending flags in hardware because otherwise there might still
* be a stale flag in ISR.
@@ -154,16 +149,12 @@ static void atmel_pwm_set_pending(struct atmel_pwm_chip *chip, unsigned int ch)
atmel_pwm_update_pending(chip);
chip->update_pending |= (1 << ch);
-
- spin_unlock(&chip->lock);
}
static int atmel_pwm_test_pending(struct atmel_pwm_chip *chip, unsigned int ch)
{
int ret = 0;
- spin_lock(&chip->lock);
-
if (chip->update_pending & (1 << ch)) {
atmel_pwm_update_pending(chip);
@@ -171,8 +162,6 @@ static int atmel_pwm_test_pending(struct atmel_pwm_chip *chip, unsigned int ch)
ret = 1;
}
- spin_unlock(&chip->lock);
-
return ret;
}
@@ -509,7 +498,6 @@ static int atmel_pwm_probe(struct platform_device *pdev)
atmel_pwm->data = of_device_get_match_data(&pdev->dev);
atmel_pwm->update_pending = 0;
- spin_lock_init(&atmel_pwm->lock);
atmel_pwm->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(atmel_pwm->base))