Use the managed MIPI DSI attach and panel add helpers in BOE panel drivers
and drop the corresponding manual detach and panel remove calls from
remove paths.

Suggested-by: Luca Ceresoli <[email protected]>
Signed-off-by: Osama Abdelkader <[email protected]>
---
v4:
- use devm_drm_panel_add instead of drm_panel_add.

 drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c    | 19 ++++-----------
 drivers/gpu/drm/panel/panel-boe-himax8279d.c  | 23 ++----------------
 drivers/gpu/drm/panel/panel-boe-td4320.c      | 23 ++++--------------
 drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c  | 24 ++++++-------------
 drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c    | 23 ++++--------------
 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c    | 24 ++-----------------
 6 files changed, 25 insertions(+), 111 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c 
b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
index 84c21c62a43e..e9519923c6d8 100644
--- a/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
+++ b/drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c
@@ -357,9 +357,11 @@ static int boe_bf060y8m_aj0_probe(struct mipi_dsi_device 
*dsi)
                return dev_err_probe(dev, PTR_ERR(boe->panel.backlight),
                                     "Failed to create backlight\n");
 
-       drm_panel_add(&boe->panel);
+       ret = devm_drm_panel_add(dev, &boe->panel);
+       if (ret)
+               return ret;
 
-       ret = mipi_dsi_attach(dsi);
+       ret = devm_mipi_dsi_attach(dev, dsi);
        if (ret < 0) {
                dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
                return ret;
@@ -368,18 +370,6 @@ static int boe_bf060y8m_aj0_probe(struct mipi_dsi_device 
*dsi)
        return 0;
 }
 
-static void boe_bf060y8m_aj0_remove(struct mipi_dsi_device *dsi)
-{
-       struct boe_bf060y8m_aj0 *boe = mipi_dsi_get_drvdata(dsi);
-       int ret;
-
-       ret = mipi_dsi_detach(dsi);
-       if (ret < 0)
-               dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
-
-       drm_panel_remove(&boe->panel);
-}
-
 static const struct of_device_id boe_bf060y8m_aj0_of_match[] = {
        { .compatible = "boe,bf060y8m-aj0" },
        { /* sentinel */ }
@@ -388,7 +378,6 @@ MODULE_DEVICE_TABLE(of, boe_bf060y8m_aj0_of_match);
 
 static struct mipi_dsi_driver boe_bf060y8m_aj0_driver = {
        .probe = boe_bf060y8m_aj0_probe,
-       .remove = boe_bf060y8m_aj0_remove,
        .driver = {
                .name = "panel-sw43404-boe-fhd-amoled",
                .of_match_table = boe_bf060y8m_aj0_of_match,
diff --git a/drivers/gpu/drm/panel/panel-boe-himax8279d.c 
b/drivers/gpu/drm/panel/panel-boe-himax8279d.c
index 4a8560b4b899..facf37bd1c14 100644
--- a/drivers/gpu/drm/panel/panel-boe-himax8279d.c
+++ b/drivers/gpu/drm/panel/panel-boe-himax8279d.c
@@ -851,9 +851,7 @@ static int panel_add(struct panel_info *pinfo)
        if (ret)
                return ret;
 
-       drm_panel_add(&pinfo->base);
-
-       return 0;
+       return devm_drm_panel_add(dev, &pinfo->base);
 }
 
 static int panel_probe(struct mipi_dsi_device *dsi)
@@ -881,23 +879,7 @@ static int panel_probe(struct mipi_dsi_device *dsi)
        if (err < 0)
                return err;
 
-       err = mipi_dsi_attach(dsi);
-       if (err < 0)
-               drm_panel_remove(&pinfo->base);
-
-       return err;
-}
-
-static void panel_remove(struct mipi_dsi_device *dsi)
-{
-       struct panel_info *pinfo = mipi_dsi_get_drvdata(dsi);
-       int err;
-
-       err = mipi_dsi_detach(dsi);
-       if (err < 0)
-               dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
-
-       drm_panel_remove(&pinfo->base);
+       return devm_mipi_dsi_attach(&dsi->dev, dsi);
 }
 
 static struct mipi_dsi_driver panel_driver = {
@@ -906,7 +888,6 @@ static struct mipi_dsi_driver panel_driver = {
                .of_match_table = panel_of_match,
        },
        .probe = panel_probe,
-       .remove = panel_remove,
 };
 module_mipi_dsi_driver(panel_driver);
 
diff --git a/drivers/gpu/drm/panel/panel-boe-td4320.c 
b/drivers/gpu/drm/panel/panel-boe-td4320.c
index 23558a76dd72..73b762817e3e 100644
--- a/drivers/gpu/drm/panel/panel-boe-td4320.c
+++ b/drivers/gpu/drm/panel/panel-boe-td4320.c
@@ -202,29 +202,17 @@ static int boe_td4320_probe(struct mipi_dsi_device *dsi)
        if (ret)
                return dev_err_probe(dev, ret, "Failed to get backlight\n");
 
-       drm_panel_add(&ctx->panel);
+       ret = devm_drm_panel_add(dev, &ctx->panel);
+       if (ret)
+               return ret;
 
-       ret = mipi_dsi_attach(dsi);
-       if (ret < 0) {
-               drm_panel_remove(&ctx->panel);
+       ret = devm_mipi_dsi_attach(dev, dsi);
+       if (ret < 0)
                return dev_err_probe(dev, ret, "Failed to attach to DSI 
host\n");
-       }
 
        return 0;
 }
 
-static void boe_td4320_remove(struct mipi_dsi_device *dsi)
-{
-       struct boe_td4320 *ctx = mipi_dsi_get_drvdata(dsi);
-       int ret;
-
-       ret = mipi_dsi_detach(dsi);
-       if (ret < 0)
-               dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
-
-       drm_panel_remove(&ctx->panel);
-}
-
 static const struct of_device_id boe_td4320_of_match[] = {
        { .compatible = "boe,td4320" },
        { /* sentinel */ }
@@ -233,7 +221,6 @@ MODULE_DEVICE_TABLE(of, boe_td4320_of_match);
 
 static struct mipi_dsi_driver boe_td4320_driver = {
        .probe = boe_td4320_probe,
-       .remove = boe_td4320_remove,
        .driver = {
                .name = "panel-boe-td4320",
                .of_match_table = boe_td4320_of_match,
diff --git a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c 
b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
index a70a2e58f88c..c5f18e310b43 100644
--- a/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
+++ b/drivers/gpu/drm/panel/panel-boe-th101mb31ig002-28a.c
@@ -391,25 +391,16 @@ static int boe_th101mb31ig002_dsi_probe(struct 
mipi_dsi_device *dsi)
        if (ret)
                return ret;
 
-       drm_panel_add(&ctx->panel);
-
-       ret = mipi_dsi_attach(dsi);
-       if (ret < 0) {
-               dev_err_probe(&dsi->dev, ret,
-                             "Failed to attach panel to DSI host\n");
-               drm_panel_remove(&ctx->panel);
+       ret = devm_drm_panel_add(&dsi->dev, &ctx->panel);
+       if (ret)
                return ret;
-       }
 
-       return 0;
-}
-
-static void boe_th101mb31ig002_dsi_remove(struct mipi_dsi_device *dsi)
-{
-       struct boe_th101mb31ig002 *ctx = mipi_dsi_get_drvdata(dsi);
+       ret = devm_mipi_dsi_attach(&dsi->dev, dsi);
+       if (ret < 0)
+               return dev_err_probe(&dsi->dev, ret,
+                                    "Failed to attach panel to DSI host\n");
 
-       mipi_dsi_detach(dsi);
-       drm_panel_remove(&ctx->panel);
+       return 0;
 }
 
 static const struct of_device_id boe_th101mb31ig002_of_match[] = {
@@ -431,7 +422,6 @@ static struct mipi_dsi_driver boe_th101mb31ig002_driver = {
                .of_match_table = boe_th101mb31ig002_of_match,
        },
        .probe = boe_th101mb31ig002_dsi_probe,
-       .remove = boe_th101mb31ig002_dsi_remove,
 };
 module_mipi_dsi_driver(boe_th101mb31ig002_driver);
 
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c 
b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
index 20b6e11a7d84..8a6c4d5c6320 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c
@@ -198,29 +198,17 @@ static int boe_tv101wum_ll2_probe(struct mipi_dsi_device 
*dsi)
        if (ret)
                return dev_err_probe(dev, ret, "Failed to get backlight\n");
 
-       drm_panel_add(&ctx->panel);
+       ret = devm_drm_panel_add(dev, &ctx->panel);
+       if (ret)
+               return ret;
 
-       ret = mipi_dsi_attach(dsi);
-       if (ret < 0) {
-               drm_panel_remove(&ctx->panel);
+       ret = devm_mipi_dsi_attach(dev, dsi);
+       if (ret < 0)
                return dev_err_probe(dev, ret, "Failed to attach to DSI 
host\n");
-       }
 
        return 0;
 }
 
-static void boe_tv101wum_ll2_remove(struct mipi_dsi_device *dsi)
-{
-       struct boe_tv101wum_ll2 *ctx = mipi_dsi_get_drvdata(dsi);
-       int ret;
-
-       ret = mipi_dsi_detach(dsi);
-       if (ret < 0)
-               dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
-
-       drm_panel_remove(&ctx->panel);
-}
-
 static const struct of_device_id boe_tv101wum_ll2_of_match[] = {
        { .compatible = "boe,tv101wum-ll2" },
        { /* sentinel */ }
@@ -229,7 +217,6 @@ MODULE_DEVICE_TABLE(of, boe_tv101wum_ll2_of_match);
 
 static struct mipi_dsi_driver boe_tv101wum_ll2_driver = {
        .probe = boe_tv101wum_ll2_probe,
-       .remove = boe_tv101wum_ll2_remove,
        .driver = {
                .name = "panel-boe-tv101wum_ll2",
                .of_match_table = boe_tv101wum_ll2_of_match,
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c 
b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index 150dff3ab6c3..cf9f15fae272 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -1736,9 +1736,7 @@ static int boe_panel_add(struct boe_panel *boe)
        boe->base.funcs = &boe_panel_funcs;
        boe->base.dev = &boe->dsi->dev;
 
-       drm_panel_add(&boe->base);
-
-       return 0;
+       return devm_drm_panel_add(dev, &boe->base);
 }
 
 static int boe_panel_probe(struct mipi_dsi_device *dsi)
@@ -1765,24 +1763,7 @@ static int boe_panel_probe(struct mipi_dsi_device *dsi)
 
        mipi_dsi_set_drvdata(dsi, boe);
 
-       ret = mipi_dsi_attach(dsi);
-       if (ret)
-               drm_panel_remove(&boe->base);
-
-       return ret;
-}
-
-static void boe_panel_remove(struct mipi_dsi_device *dsi)
-{
-       struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
-       int ret;
-
-       ret = mipi_dsi_detach(dsi);
-       if (ret < 0)
-               dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
-
-       if (boe->base.dev)
-               drm_panel_remove(&boe->base);
+       return devm_mipi_dsi_attach(&dsi->dev, dsi);
 }
 
 static const struct of_device_id boe_of_match[] = {
@@ -1820,7 +1801,6 @@ static struct mipi_dsi_driver boe_panel_driver = {
                .of_match_table = boe_of_match,
        },
        .probe = boe_panel_probe,
-       .remove = boe_panel_remove,
 };
 module_mipi_dsi_driver(boe_panel_driver);
 
-- 
2.43.0

Reply via email to