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path: root/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-ilitek-ili9322.c')
-rw-r--r--drivers/gpu/drm/panel/panel-ilitek-ili9322.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
index 61c872f0f7ca..6ed544a83bdd 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
@@ -318,18 +318,13 @@ static int ili9322_regmap_spi_read(void *context, const void *reg,
return spi_write_then_read(spi, buf, 1, val, 1);
}
-static struct regmap_bus ili9322_regmap_bus = {
+static const struct regmap_bus ili9322_regmap_bus = {
.write = ili9322_regmap_spi_write,
.read = ili9322_regmap_spi_read,
.reg_format_endian_default = REGMAP_ENDIAN_BIG,
.val_format_endian_default = REGMAP_ENDIAN_BIG,
};
-static bool ili9322_volatile_reg(struct device *dev, unsigned int reg)
-{
- return false;
-}
-
static bool ili9322_writeable_reg(struct device *dev, unsigned int reg)
{
/* Just register 0 is read-only */
@@ -342,8 +337,7 @@ static const struct regmap_config ili9322_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0x44,
- .cache_type = REGCACHE_RBTREE,
- .volatile_reg = ili9322_volatile_reg,
+ .cache_type = REGCACHE_MAPLE,
.writeable_reg = ili9322_writeable_reg,
};
@@ -728,9 +722,10 @@ static int ili9322_probe(struct spi_device *spi)
int ret;
int i;
- ili = devm_kzalloc(dev, sizeof(struct ili9322), GFP_KERNEL);
- if (!ili)
- return -ENOMEM;
+ ili = devm_drm_panel_alloc(dev, struct ili9322, panel,
+ &ili9322_drm_funcs, DRM_MODE_CONNECTOR_DPI);
+ if (IS_ERR(ili))
+ return PTR_ERR(ili);
spi_set_drvdata(spi, ili);
@@ -889,9 +884,6 @@ static int ili9322_probe(struct spi_device *spi)
ili->input = ili->conf->input;
}
- drm_panel_init(&ili->panel, dev, &ili9322_drm_funcs,
- DRM_MODE_CONNECTOR_DPI);
-
drm_panel_add(&ili->panel);
return 0;