From: CK Hu <ck.hu@xxxxxxxxxxxx>
Some ddp component exist in both display path and other path, so
sub driver should not directly call DRM driver's function. Moving
mtk_ddp_comp_init() from sub driver to DRM driver to achieve this.
Signed-off-by: CK Hu <ck.hu@xxxxxxxxxxxx>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_disp_color.c | 35 -------------------
drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 38 ---------------------
drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 32 -----------------
drivers/gpu/drm/mediatek/mtk_dpi.c | 29 ++--------------
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +-
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 38 ++++++---------------
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 4 +--
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 29 +++++-----------
drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +-
drivers/gpu/drm/mediatek/mtk_dsi.c | 32 +----------------
10 files changed, 25 insertions(+), 216 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c
index d28c06d02286..63f411ab393b 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_color.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c
@@ -37,7 +37,6 @@ struct mtk_disp_color_data {
* @data: platform colour driver data
*/
struct mtk_disp_color {
- struct mtk_ddp_comp ddp_comp;
struct drm_crtc *crtc;
struct clk *clk;
void __iomem *regs;
@@ -81,27 +80,12 @@ void mtk_color_start(struct device *dev)
static int mtk_disp_color_bind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_color *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
- int ret;
-
- ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
- if (ret < 0) {
- dev_err(dev, "Failed to register component %pOF: %d\n",
- dev->of_node, ret);
- return ret;
- }
-
return 0;
}
static void mtk_disp_color_unbind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_color *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
-
- mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
}
static const struct component_ops mtk_disp_color_component_ops = {
@@ -114,7 +98,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_disp_color *priv;
struct resource *res;
- int comp_id;
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -139,23 +122,7 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
#endif
- comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_COLOR);
- if (comp_id < 0) {
- dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
- return comp_id;
- }
-
- ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to initialize component: %d\n",
- ret);
-
- return ret;
- }
-
priv->data = of_device_get_match_data(dev);
-
platform_set_drvdata(pdev, priv);
ret = component_add(dev, &mtk_disp_color_component_ops);
@@ -167,8 +134,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
static int mtk_disp_color_remove(struct platform_device *pdev)
{
- component_del(&pdev->dev, &mtk_disp_color_component_ops);
-
return 0;
}
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index a4f806355d2c..266c5c5ca280 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -71,7 +71,6 @@ struct mtk_disp_ovl_data {
* @data: platform data
*/
struct mtk_disp_ovl {
- struct mtk_ddp_comp ddp_comp;
struct drm_crtc *crtc;
struct clk *clk;
void __iomem *regs;
@@ -342,27 +341,12 @@ void mtk_ovl_bgclr_in_off(struct device *dev)
static int mtk_disp_ovl_bind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_ovl *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
- int ret;
-
- ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
- if (ret < 0) {
- dev_err(dev, "Failed to register component %pOF: %d\n",
- dev->of_node, ret);
- return ret;
- }
-
return 0;
}
static void mtk_disp_ovl_unbind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_ovl *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
-
- mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
}
static const struct component_ops mtk_disp_ovl_component_ops = {
@@ -375,7 +359,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_disp_ovl *priv;
struct resource *res;
- int comp_id;
int irq;
int ret;
@@ -406,25 +389,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
#endif
priv->data = of_device_get_match_data(dev);
-
- comp_id = mtk_ddp_comp_get_id(dev->of_node,
- priv->data->layer_nr == 4 ?
- MTK_DISP_OVL :
- MTK_DISP_OVL_2L);
- if (comp_id < 0) {
- dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
- return comp_id;
- }
-
- ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to initialize component: %d\n",
- ret);
-
- return ret;
- }
-
platform_set_drvdata(pdev, priv);
ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler,
@@ -443,8 +407,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
static int mtk_disp_ovl_remove(struct platform_device *pdev)
{
- component_del(&pdev->dev, &mtk_disp_ovl_component_ops);
-
return 0;
}
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index a263b7eab866..7ac8f9ee082b 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -62,7 +62,6 @@ struct mtk_disp_rdma_data {
* @data: local driver data
*/
struct mtk_disp_rdma {
- struct mtk_ddp_comp ddp_comp;
struct clk *clk;
void __iomem *regs;
struct cmdq_client_reg cmdq_reg;
@@ -250,17 +249,6 @@ void mtk_rdma_layer_config(struct device *dev, unsigned int idx,
static int mtk_disp_rdma_bind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_rdma *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
- int ret;
-
- ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp);
- if (ret < 0) {
- dev_err(dev, "Failed to register component %pOF: %d\n",
- dev->of_node, ret);
- return ret;
- }
-
return 0;
}
@@ -268,10 +256,6 @@ static int mtk_disp_rdma_bind(struct device *dev, struct device *master,
static void mtk_disp_rdma_unbind(struct device *dev, struct device *master,
void *data)
{
- struct mtk_disp_rdma *priv = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
-
- mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp);
}
static const struct component_ops mtk_disp_rdma_component_ops = {
@@ -284,7 +268,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_disp_rdma *priv;
struct resource *res;
- int comp_id;
int irq;
int ret;
@@ -314,21 +297,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");
#endif
- comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_RDMA);
- if (comp_id < 0) {
- dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
- return comp_id;
- }
-
- ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to initialize component: %d\n",
- ret);
-
- return ret;
- }
-
/* Disable and clear pending interrupts */
writel(0x0, priv->regs + DISP_REG_RDMA_INT_ENABLE);
writel(0x0, priv->regs + DISP_REG_RDMA_INT_STATUS);
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 4d0d84d34fb1..7d279f0ff55a 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -63,7 +63,6 @@ enum mtk_dpi_out_color_format {
};
struct mtk_dpi {
- struct mtk_ddp_comp ddp_comp;
struct drm_encoder encoder;
struct drm_bridge bridge;
struct drm_bridge *next_bridge;
@@ -592,21 +591,14 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
struct drm_device *drm_dev = data;
int ret;
- ret = mtk_ddp_comp_register(drm_dev, &dpi->ddp_comp);
- if (ret < 0) {
- dev_err(dev, "Failed to register component %pOF: %d\n",
- dev->of_node, ret);
- return ret;
- }
-
ret = drm_simple_encoder_init(drm_dev, &dpi->encoder,
DRM_MODE_ENCODER_TMDS);
if (ret) {
dev_err(dev, "Failed to initialize decoder: %d\n", ret);
- goto err_unregister;
+ return ret;
}
- dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->ddp_comp);
+ dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->dev);
ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, 0);
if (ret) {
@@ -623,8 +615,6 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
err_cleanup:
drm_encoder_cleanup(&dpi->encoder);
-err_unregister:
- mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp);
return ret;
}
@@ -632,10 +622,8 @@ static void mtk_dpi_unbind(struct device *dev, struct device *master,
void *data)
{
struct mtk_dpi *dpi = dev_get_drvdata(dev);
- struct drm_device *drm_dev = data;
drm_encoder_cleanup(&dpi->encoder);
- mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp);
}
static const struct component_ops mtk_dpi_component_ops = {
@@ -696,7 +684,6 @@ static int mtk_dpi_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_dpi *dpi;
struct resource *mem;
- int comp_id;
int ret;
dpi = devm_kzalloc(dev, sizeof(*dpi), GFP_KERNEL);
@@ -774,18 +761,6 @@ static int mtk_dpi_probe(struct platform_device *pdev)
dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node);
- comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DPI);
- if (comp_id < 0) {
- dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
- return comp_id;
- }
-
- ret = mtk_ddp_comp_init(dev->of_node, &dpi->ddp_comp, comp_id);
- if (ret) {
- dev_err(dev, "Failed to initialize component: %d\n", ret);
- return ret;
- }
-
platform_set_drvdata(pdev, dpi);
dpi->bridge.funcs = &mtk_dpi_bridge_funcs;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 01c35786be49..7ec833d800eb 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -781,7 +781,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
struct device_node *node;
node = priv->comp_node[comp_id];
- comp = priv->ddp_comp[comp_id];
+ comp = &priv->ddp_comp[comp_id];
if (!comp) {
dev_err(dev, "Component %pOF not initialized\n", node);
ret = -ENODEV;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 1d6e45648da8..52820b12a000 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -524,9 +524,10 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
};
-static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp,
+static bool mtk_drm_find_comp_in_ddp(struct device *dev,
const enum mtk_ddp_comp_id *path,
- unsigned int path_len)
+ unsigned int path_len,
+ struct mtk_ddp_comp *ddp_comp)
{
unsigned int i;
@@ -534,7 +535,7 @@ static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp,
return false;
for (i = 0U; i < path_len; i++)
- if (ddp_comp.id == path[i])
+ if (dev == ddp_comp[path[i]].dev)
return true;
return false;
@@ -556,18 +557,19 @@ int mtk_ddp_comp_get_id(struct device_node *node,
}
unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
- struct mtk_ddp_comp ddp_comp)
+ struct device *dev)
{
struct mtk_drm_private *private = drm->dev_private;
unsigned int ret = 0;
- if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path, private->data->main_len))
+ if (mtk_drm_find_comp_in_ddp(dev, private->data->main_path, private->data->main_len,
+ private->ddp_comp))
ret = BIT(0);
- else if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->ext_path,
- private->data->ext_len))
+ else if (mtk_drm_find_comp_in_ddp(dev, private->data->ext_path,
+ private->data->ext_len, private->ddp_comp))
ret = BIT(1);
- else if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->third_path,
- private->data->third_len))
+ else if (mtk_drm_find_comp_in_ddp(dev, private->data->third_path,
+ private->data->third_len, private->ddp_comp))
ret = BIT(2);
else
DRM_INFO("Failed to find comp in ddp table\n");
@@ -660,21 +662,3 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
return 0;
}
-
-int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp)
-{
- struct mtk_drm_private *private = drm->dev_private;
-
- if (private->ddp_comp[comp->id])
- return -EBUSY;
-
- private->ddp_comp[comp->id] = comp;
- return 0;
-}
-
-void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp)
-{
- struct mtk_drm_private *private = drm->dev_private;
-
- private->ddp_comp[comp->id] = NULL;
-}
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 03db5fb4fc56..e2588e64426e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -220,11 +220,9 @@ static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
int mtk_ddp_comp_get_id(struct device_node *node,
enum mtk_ddp_comp_type comp_type);
unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
- struct mtk_ddp_comp ddp_comp);
+ struct device *dev);
int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
enum mtk_ddp_comp_id comp_id);
-int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
-void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index cef6168a4469..4f2cc34936df 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -502,23 +502,12 @@ static int mtk_drm_probe(struct platform_device *pdev)
node);
drm_of_component_match_add(dev, &match, compare_of,
node);
- } else {
- struct mtk_ddp_comp *comp;
-
- comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL);
- if (!comp) {
- ret = -ENOMEM;
- of_node_put(node);
- goto err_node;
- }
-
- ret = mtk_ddp_comp_init(node, comp, comp_id);
- if (ret) {
- of_node_put(node);
- goto err_node;
- }
-
- private->ddp_comp[comp_id] = comp;
+ }
+
+ ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);
+ if (ret) {
+ of_node_put(node);
+ goto err_node;
}
}
@@ -544,10 +533,8 @@ static int mtk_drm_probe(struct platform_device *pdev)
of_node_put(private->mutex_node);
for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) {
of_node_put(private->comp_node[i]);
- if (private->ddp_comp[i]) {
- put_device(private->ddp_comp[i]->larb_dev);
- private->ddp_comp[i] = NULL;
- }
+ if (private->ddp_comp[i].larb_dev)
+ put_device(private->ddp_comp[i].larb_dev);
}
return ret;
}
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index 5d771cf0bf25..690e92e9eff9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -41,7 +41,7 @@ struct mtk_drm_private {
struct device *mutex_dev;
struct device *mmsys_dev;
struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
- struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX];
+ struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX];
const struct mtk_mmsys_driver_data *data;
struct drm_atomic_state *suspend_state;
};
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 50f8d803f8dd..f8cc9545ebca 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -179,7 +179,6 @@ struct mtk_dsi_driver_data {
};
struct mtk_dsi {
- struct mtk_ddp_comp ddp_comp;
struct device *dev;
struct mipi_dsi_host host;
struct drm_encoder encoder;
@@ -965,7 +964,7 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
return ret;
}
- dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->ddp_comp);
+ dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->host.dev);
ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL,
DRM_BRIDGE_ATTACH_NO_CONNECTOR);
@@ -993,32 +992,17 @@ static int mtk_dsi_bind(struct device *dev, struct device *master, void *data)
struct drm_device *drm = data;
struct mtk_dsi *dsi = dev_get_drvdata(dev);
- ret = mtk_ddp_comp_register(drm, &dsi->ddp_comp);
- if (ret < 0) {
- dev_err(dev, "Failed to register component %pOF: %d\n",
- dev->of_node, ret);
- return ret;
- }
-
ret = mtk_dsi_encoder_init(drm, dsi);
- if (ret)
- goto err_unregister;
-
- return 0;
-err_unregister:
- mtk_ddp_comp_unregister(drm, &dsi->ddp_comp);
return ret;
}
static void mtk_dsi_unbind(struct device *dev, struct device *master,
void *data)
{
- struct drm_device *drm = data;
struct mtk_dsi *dsi = dev_get_drvdata(dev);
drm_encoder_cleanup(&dsi->encoder);
- mtk_ddp_comp_unregister(drm, &dsi->ddp_comp);
}
static const struct component_ops mtk_dsi_component_ops = {
@@ -1033,7 +1017,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
struct drm_panel *panel;
struct resource *regs;
int irq_num;
- int comp_id;
int ret;
dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
@@ -1103,19 +1086,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
goto err_unregister_host;
}
- comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DSI);
- if (comp_id < 0) {
- dev_err(dev, "Failed to identify by alias: %d\n", comp_id);
- ret = comp_id;
- goto err_unregister_host;
- }
-
- ret = mtk_ddp_comp_init(dev->of_node, &dsi->ddp_comp, comp_id);
- if (ret) {
- dev_err(dev, "Failed to initialize component: %d\n", ret);
- goto err_unregister_host;
- }
-
irq_num = platform_get_irq(pdev, 0);
if (irq_num < 0) {
dev_err(&pdev->dev, "failed to get dsi irq_num: %d\n", irq_num);
--
2.17.1
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