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staging: greybus: pwm: Rely on pwm framework to pass a valid hwpwm

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The pwm framework already asserts to only pass a hwpwm value (= which)
less than npwm (= pwmc->pwm_max + 1). So there is no need to recheck
this condition. Drop the respective checks.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/e003bc5e8e66f27f2b8fdc525a536d865888cffe.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König
2024-02-14 10:33:24 +01:00
parent 4aacf5fdf5
commit 9bda6a81dd
1 changed files with 0 additions and 18 deletions
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18
drivers/staging/greybus/pwm.c
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@@ -46,9 +46,6 @@ static int gb_pwm_activate_operation(struct pwm_chip *chip, u8 which)
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
gbphy_dev = to_gbphy_dev(pwmchip_parent(chip));
@@ -71,9 +68,6 @@ static int gb_pwm_deactivate_operation(struct pwm_chip *chip, u8 which)
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
gbphy_dev = to_gbphy_dev(pwmchip_parent(chip));
@@ -97,9 +91,6 @@ static int gb_pwm_config_operation(struct pwm_chip *chip,
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
request.duty = cpu_to_le32(duty);
request.period = cpu_to_le32(period);
@@ -125,9 +116,6 @@ static int gb_pwm_set_polarity_operation(struct pwm_chip *chip,
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
request.polarity = polarity;
@@ -151,9 +139,6 @@ static int gb_pwm_enable_operation(struct pwm_chip *chip, u8 which)
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
gbphy_dev = to_gbphy_dev(pwmchip_parent(chip));
@@ -176,9 +161,6 @@ static int gb_pwm_disable_operation(struct pwm_chip *chip, u8 which)
struct gbphy_device *gbphy_dev;
int ret;
if (which > pwmc->pwm_max)
return -EINVAL;
request.which = which;
ret = gb_operation_sync(pwmc->connection, GB_PWM_TYPE_DISABLE,