diff options
| author | Luca Weiss <luca.weiss@fairphone.com> | 2024-03-15 19:04:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-26 12:44:14 +0300 |
| commit | 9dc28ea21eb40b9d023297ad9d513252260b1d63 (patch) | |
| tree | 33573892971e343381565935cc753703a5a75a04 | |
| parent | 10cfb14d2a2b67751cef93a1c75d3797ec433c52 (diff) | |
| download | linux-9dc28ea21eb40b9d023297ad9d513252260b1d63.tar.xz | |
usb: typec: ptn36502: switch to DRM_AUX_BRIDGE
Switch to using the new DRM_AUX_BRIDGE helper to create the transparent
DRM bridge device instead of handcoding corresponding functionality.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240315-ptn36502-aux-v1-1-c9d3c828ff2e@fairphone.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/typec/mux/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/usb/typec/mux/ptn36502.c | 44 |
2 files changed, 3 insertions, 43 deletions
diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index 399c7b0983df..4827e86fed6d 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -60,7 +60,7 @@ config TYPEC_MUX_PTN36502 tristate "NXP PTN36502 Type-C redriver driver" depends on I2C depends on DRM || DRM=n - select DRM_PANEL_BRIDGE if DRM + select DRM_AUX_BRIDGE if DRM_BRIDGE select REGMAP_I2C help Say Y or M if your system has a NXP PTN36502 Type-C redriver chip diff --git a/drivers/usb/typec/mux/ptn36502.c b/drivers/usb/typec/mux/ptn36502.c index 72ae38a1b2be..0ec86ef32a87 100644 --- a/drivers/usb/typec/mux/ptn36502.c +++ b/drivers/usb/typec/mux/ptn36502.c @@ -8,7 +8,7 @@ * Copyright (C) 2023 Dmitry Baryshkov <dmitry.baryshkov@linaro.org> */ -#include <drm/drm_bridge.h> +#include <drm/bridge/aux-bridge.h> #include <linux/bitfield.h> #include <linux/i2c.h> #include <linux/kernel.h> @@ -68,8 +68,6 @@ struct ptn36502 { struct typec_switch *typec_switch; - struct drm_bridge bridge; - struct mutex lock; /* protect non-concurrent retimer & switch */ enum typec_orientation orientation; @@ -283,44 +281,6 @@ static int ptn36502_detect(struct ptn36502 *ptn) return 0; } -#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE) -static int ptn36502_bridge_attach(struct drm_bridge *bridge, - enum drm_bridge_attach_flags flags) -{ - struct ptn36502 *ptn = container_of(bridge, struct ptn36502, bridge); - struct drm_bridge *next_bridge; - - if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) - return -EINVAL; - - next_bridge = devm_drm_of_get_bridge(&ptn->client->dev, ptn->client->dev.of_node, 0, 0); - if (IS_ERR(next_bridge)) { - dev_err(&ptn->client->dev, "failed to acquire drm_bridge: %pe\n", next_bridge); - return PTR_ERR(next_bridge); - } - - return drm_bridge_attach(bridge->encoder, next_bridge, bridge, - DRM_BRIDGE_ATTACH_NO_CONNECTOR); -} - -static const struct drm_bridge_funcs ptn36502_bridge_funcs = { - .attach = ptn36502_bridge_attach, -}; - -static int ptn36502_register_bridge(struct ptn36502 *ptn) -{ - ptn->bridge.funcs = &ptn36502_bridge_funcs; - ptn->bridge.of_node = ptn->client->dev.of_node; - - return devm_drm_bridge_add(&ptn->client->dev, &ptn->bridge); -} -#else -static int ptn36502_register_bridge(struct ptn36502 *ptn) -{ - return 0; -} -#endif - static const struct regmap_config ptn36502_regmap = { .max_register = 0x0d, .reg_bits = 8, @@ -369,7 +329,7 @@ static int ptn36502_probe(struct i2c_client *client) if (ret) goto err_disable_regulator; - ret = ptn36502_register_bridge(ptn); + ret = drm_aux_bridge_register(dev); if (ret) goto err_disable_regulator; |