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* [PATCH] drm/bridge: ti-sn65dsi86: remove unnecessary GPIO line direction check
@ 2025-06-20  7:49 Bartosz Golaszewski
  2025-06-25 18:25 ` Doug Anderson
  0 siblings, 1 reply; 3+ messages in thread
From: Bartosz Golaszewski @ 2025-06-20  7:49 UTC (permalink / raw)
  To: Douglas Anderson, Andrzej Hajda, Neil Armstrong, Robert Foss,
	Laurent Pinchart, Jonas Karlman, Jernej Skrabec,
	Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, David Airlie,
	Simona Vetter
  Cc: dri-devel, linux-kernel, Bartosz Golaszewski

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

As of commit 92ac7de3175e3 ("gpiolib: don't allow setting values on input
lines"), the GPIO core makes sure values cannot be set on input lines.
Remove the unnecessary check.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 78a50b947a08..3d0b4bc5129d 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1677,11 +1677,6 @@ static int ti_sn_bridge_gpio_set(struct gpio_chip *chip, unsigned int offset,
 {
 	struct ti_sn65dsi86 *pdata = gpiochip_get_data(chip);
 
-	if (!test_bit(offset, pdata->gchip_output)) {
-		dev_err(pdata->dev, "Ignoring GPIO set while input\n");
-		return -EPERM;
-	}
-
 	val &= 1;
 	return regmap_update_bits(pdata->regmap, SN_GPIO_IO_REG,
 				  BIT(SN_GPIO_OUTPUT_SHIFT + offset),
-- 
2.48.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2025-06-26 14:40 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2025-06-20  7:49 [PATCH] drm/bridge: ti-sn65dsi86: remove unnecessary GPIO line direction check Bartosz Golaszewski
2025-06-25 18:25 ` Doug Anderson
2025-06-26 14:40   ` Doug Anderson

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