Re: [PATCH v17 06/10] drm/tinydrm: Call devres version of of_find_backlight

From: Noralf TrÃnnes
Date: Sun Jan 21 2018 - 13:43:06 EST



Den 19.01.2018 11.46, skrev Meghana Madhyastha:
Call devm_of_find_backlight (the devres version) instead of
of_find_backlight.

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>
---

I already put my r-b on this one in the previous version, but now also:

Tested-by: Noralf TrÃnnes <noralf@xxxxxxxxxxx>

I did also test with the backlight subsystem disabled.

changes in v17:
-convert st7735r callers from tinydrm specific helpers
to new generic backlight helpers

drivers/gpu/drm/tinydrm/mi0283qt.c | 2 +-
drivers/gpu/drm/tinydrm/st7735r.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/tinydrm/mi0283qt.c b/drivers/gpu/drm/tinydrm/mi0283qt.c
index a8aafce36..d8ed6e6f8 100644
--- a/drivers/gpu/drm/tinydrm/mi0283qt.c
+++ b/drivers/gpu/drm/tinydrm/mi0283qt.c
@@ -196,7 +196,7 @@ static int mi0283qt_probe(struct spi_device *spi)
if (IS_ERR(mipi->regulator))
return PTR_ERR(mipi->regulator);
- mipi->backlight = of_find_backlight(dev);
+ mipi->backlight = devm_of_find_backlight(dev);
if (IS_ERR(mipi->backlight))
return PTR_ERR(mipi->backlight);
diff --git a/drivers/gpu/drm/tinydrm/st7735r.c b/drivers/gpu/drm/tinydrm/st7735r.c
index 2e6b7b8ec..67d197ecf 100644
--- a/drivers/gpu/drm/tinydrm/st7735r.c
+++ b/drivers/gpu/drm/tinydrm/st7735r.c
@@ -164,7 +164,7 @@ static int st7735r_probe(struct spi_device *spi)
return PTR_ERR(dc);
}
- mipi->backlight = of_find_backlight(dev);
+ mipi->backlight = devm_of_find_backlight(dev);
if (IS_ERR(mipi->backlight))
return PTR_ERR(mipi->backlight);