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drm/tinydrm/mipi-dbi: Move cmdlock mutex init
author
Noralf Trønnes
<noralf@tronnes.org>
Mon, 22 Jul 2019 10:43:04 +0000
(12:43 +0200)
committer
Noralf Trønnes
<noralf@tronnes.org>
Thu, 25 Jul 2019 08:38:50 +0000
(10:38 +0200)
cmdlock protects command execution so put it in mipi_dbi_spi_init()
where it conceptually belongs.
This is prep work for the splitting of struct mipi_dbi.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link:
https://patchwork.freedesktop.org/patch/msgid/20190722104312.16184-2-noralf@tronnes.org
drivers/gpu/drm/tinydrm/mipi-dbi.c
patch
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diff --git
a/drivers/gpu/drm/tinydrm/mipi-dbi.c
b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index
4246522
..
37a73b4
100644
(file)
--- a/
drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/
drivers/gpu/drm/tinydrm/mipi-dbi.c
@@
-506,8
+506,6
@@
int mipi_dbi_init_with_formats(struct mipi_dbi *mipi,
if (!mipi->command)
return -EINVAL;
- mutex_init(&mipi->cmdlock);
-
mipi->tx_buf = devm_kmalloc(drm->dev, tx_buf_size, GFP_KERNEL);
if (!mipi->tx_buf)
return -ENOMEM;
@@
-1120,6
+1118,8
@@
int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi,
return -ENOMEM;
}
+ mutex_init(&mipi->cmdlock);
+
DRM_DEBUG_DRIVER("SPI speed: %uMHz\n", spi->max_speed_hz / 1000000);
return 0;