[PATCH] pwm: fix typos in comments

[Hemanth Selam]

Fix typos in comments, reported by scripts/checkpatch.pl using the
misspelling list in scripts/spelling.txt.  Only touches comments, no code
changes.

Assisted-by: Cursor:claude-opus-5
Signed-off-by: Hemanth Selam <hemanth.selam at gmail.com>
---
 drivers/pwm/pwm-brcmstb.c | 2 +-
 drivers/pwm/pwm-pca9685.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-brcmstb.c b/drivers/pwm/pwm-brcmstb.c
index 790ef7ffbbe5..78378787e4e9 100644
--- a/drivers/pwm/pwm-brcmstb.c
+++ b/drivers/pwm/pwm-brcmstb.c
@@ -101,7 +101,7 @@ static int brcmstb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	u32 value;
 
 	/*
-	 * If asking for a duty_ns equal to period_ns, we need to substract
+	 * If asking for a duty_ns equal to period_ns, we need to subtract
 	 * the period value by 1 to make it shorter than the "on" time and
 	 * produce a flat 100% duty cycle signal, and max out the "on" time
 	 */
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index a2792b803643..3374ed76f8d3 100644
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -54,7 +54,7 @@
 /*
  * The time value of one counter tick. Note that NSEC_PER_SEC is an integer
  * multiple of PCA9685_OSC_CLOCK_HZ, so there is no rounding involved and we're
- * not loosing precision due to the early division.
+ * not losing precision due to the early division.
  */
 #define PCA9685_QUANTUM_NS(_prescale)	((NSEC_PER_SEC / PCA9685_OSC_CLOCK_HZ) * (_prescale + 1))
 
-- 
2.48.1