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path: root/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
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Diffstat (limited to 'drivers/gpu/drm/stm/dw_mipi_dsi-stm.c')
-rw-r--r--drivers/gpu/drm/stm/dw_mipi_dsi-stm.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
index fd02506274da..0ba8635d738a 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -65,6 +65,7 @@ enum dsi_color {
struct dw_mipi_dsi_stm {
void __iomem *base;
struct clk *pllref_clk;
+ struct dw_mipi_dsi *dsi;
};
static inline void dsi_write(struct dw_mipi_dsi_stm *dsi, u32 reg, u32 val)
@@ -312,21 +313,24 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
dw_mipi_dsi_stm_plat_data.base = dsi->base;
dw_mipi_dsi_stm_plat_data.priv_data = dsi;
- ret = dw_mipi_dsi_probe(pdev, &dw_mipi_dsi_stm_plat_data);
- if (ret) {
+ platform_set_drvdata(pdev, dsi);
+
+ dsi->dsi = dw_mipi_dsi_probe(pdev, &dw_mipi_dsi_stm_plat_data);
+ if (IS_ERR(dsi->dsi)) {
DRM_ERROR("Failed to initialize mipi dsi host\n");
clk_disable_unprepare(dsi->pllref_clk);
+ return PTR_ERR(dsi->dsi);
}
- return ret;
+ return 0;
}
static int dw_mipi_dsi_stm_remove(struct platform_device *pdev)
{
- struct dw_mipi_dsi_stm *dsi = dw_mipi_dsi_stm_plat_data.priv_data;
+ struct dw_mipi_dsi_stm *dsi = platform_get_drvdata(pdev);
clk_disable_unprepare(dsi->pllref_clk);
- dw_mipi_dsi_remove(pdev);
+ dw_mipi_dsi_remove(dsi->dsi);
return 0;
}