[RFT PATCH v2 40/48] drm/panel: sharp-ls043t1le01: Stop tracking prepared

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As talked about in commit d2aacaf07395 ("drm/panel: Check for already
prepared/enabled in drm_panel"), we want to remove needless code from
panel drivers that was storing and double-checking the
prepared/enabled state. Even if someone was relying on the
double-check before, that double-check is now in the core and not
needed in individual drivers.

Cc: Werner Johansson <werner.johansson@xxxxxxxxxxxxxx>
Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---

Changes in v2:
- Only handle 1 panel per patch.
- Split removal of prepared/enabled from handling of remove/shutdown.

 drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 855e64444daa..c86337954ad7 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -26,8 +26,6 @@ struct sharp_nt_panel {
 
 	struct regulator *supply;
 	struct gpio_desc *reset_gpio;
-
-	bool prepared;
 };
 
 static inline struct sharp_nt_panel *to_sharp_nt_panel(struct drm_panel *panel)
@@ -99,9 +97,6 @@ static int sharp_nt_panel_unprepare(struct drm_panel *panel)
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 	int ret;
 
-	if (!sharp_nt->prepared)
-		return 0;
-
 	ret = sharp_nt_panel_off(sharp_nt);
 	if (ret < 0) {
 		dev_err(panel->dev, "failed to set panel off: %d\n", ret);
@@ -112,8 +107,6 @@ static int sharp_nt_panel_unprepare(struct drm_panel *panel)
 	if (sharp_nt->reset_gpio)
 		gpiod_set_value(sharp_nt->reset_gpio, 0);
 
-	sharp_nt->prepared = false;
-
 	return 0;
 }
 
@@ -122,9 +115,6 @@ static int sharp_nt_panel_prepare(struct drm_panel *panel)
 	struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
 	int ret;
 
-	if (sharp_nt->prepared)
-		return 0;
-
 	ret = regulator_enable(sharp_nt->supply);
 	if (ret < 0)
 		return ret;
@@ -152,8 +142,6 @@ static int sharp_nt_panel_prepare(struct drm_panel *panel)
 		goto poweroff;
 	}
 
-	sharp_nt->prepared = true;
-
 	return 0;
 
 poweroff:
-- 
2.45.0.rc1.225.g2a3ae87e7f-goog




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