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drm/bridge: ti-sn65dsi86: Make use of devm_pwmchip_alloc() function

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This prepares the pwm driver of the ti-sn65dsi86 to further changes of
the pwm core outlined in the commit introducing devm_pwmchip_alloc().
There is no intended semantical change and the driver should behave as
before.

Acked-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/a56cbaf049f5f23c0e0fe36b0799dd20189675e0.1707900770.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 10:33:20 +01:00
parent 4867424625
commit 596de87ddf
1 changed files with 13 additions and 8 deletions
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21
drivers/gpu/drm/bridge/ti-sn65dsi86.c
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@@ -197,7 +197,7 @@ struct ti_sn65dsi86 {
DECLARE_BITMAP(gchip_output, SN_NUM_GPIOS);
#endif
#if defined(CONFIG_PWM)
struct pwm_chip pchip;
struct pwm_chip *pchip;
bool pwm_enabled;
atomic_t pwm_pin_busy;
#endif
@@ -1374,7 +1374,7 @@ static void ti_sn_pwm_pin_release(struct ti_sn65dsi86 *pdata)
static struct ti_sn65dsi86 *pwm_chip_to_ti_sn_bridge(struct pwm_chip *chip)
{
return container_of(chip, struct ti_sn65dsi86, pchip);
return pwmchip_get_drvdata(chip);
}
static int ti_sn_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -1585,23 +1585,28 @@ static const struct pwm_ops ti_sn_pwm_ops = {
static int ti_sn_pwm_probe(struct auxiliary_device *adev,
const struct auxiliary_device_id *id)
{
struct pwm_chip *chip;
struct ti_sn65dsi86 *pdata = dev_get_drvdata(adev->dev.parent);
pdata->pchip.dev = &adev->dev;
pdata->pchip.ops = &ti_sn_pwm_ops;
pdata->pchip.npwm = 1;
pdata->pchip.of_xlate = of_pwm_single_xlate;
pdata->pchip = chip = devm_pwmchip_alloc(&adev->dev, 1, 0);
if (IS_ERR(chip))
return PTR_ERR(chip);
pwmchip_set_drvdata(chip, pdata);
chip->ops = &ti_sn_pwm_ops;
chip->of_xlate = of_pwm_single_xlate;
devm_pm_runtime_enable(&adev->dev);
return pwmchip_add(&pdata->pchip);
return pwmchip_add(chip);
}
static void ti_sn_pwm_remove(struct auxiliary_device *adev)
{
struct ti_sn65dsi86 *pdata = dev_get_drvdata(adev->dev.parent);
pwmchip_remove(&pdata->pchip);
pwmchip_remove(pdata->pchip);
if (pdata->pwm_enabled)
pm_runtime_put_sync(&adev->dev);