Drop the driver's udev field in favor of struct drm_device.dev. No functional changes made.
v2: * upcast dev with drm_dev_get_usb_device()
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/tiny/gm12u320.c | 52 +++++++++++++++------------------ 1 file changed, 24 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c index cc397671f689..414f08c0bab9 100644 --- a/drivers/gpu/drm/tiny/gm12u320.c +++ b/drivers/gpu/drm/tiny/gm12u320.c @@ -23,6 +23,7 @@ #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> +#include <drm/drm_usb_helper.h>
static bool eco_mode; module_param(eco_mode, bool, 0644); @@ -45,7 +46,7 @@ MODULE_PARM_DESC(eco_mode, "Turn on Eco mode (less bright, more silent)"); #define GM12U320_BLOCK_COUNT 20
#define GM12U320_ERR(fmt, ...) \ - DRM_DEV_ERROR(&gm12u320->udev->dev, fmt, ##__VA_ARGS__) + DRM_DEV_ERROR(gm12u320->dev.dev, fmt, ##__VA_ARGS__)
#define MISC_RCV_EPT 1 #define DATA_RCV_EPT 2 @@ -85,7 +86,6 @@ struct gm12u320_device { struct drm_device dev; struct drm_simple_display_pipe pipe; struct drm_connector conn; - struct usb_device *udev; unsigned char *cmd_buf; unsigned char *data_buf[GM12U320_BLOCK_COUNT]; struct { @@ -191,6 +191,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320, u8 req_a, u8 req_b, u8 arg_a, u8 arg_b, u8 arg_c, u8 arg_d) { + struct usb_device *udev = drm_dev_get_usb_device(&gm12u320->dev); int ret, len;
memcpy(gm12u320->cmd_buf, &cmd_misc, CMD_SIZE); @@ -202,8 +203,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320, gm12u320->cmd_buf[25] = arg_d;
/* Send request */ - ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, MISC_SND_EPT), + ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, MISC_SND_EPT), gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT); if (ret || len != CMD_SIZE) { GM12U320_ERR("Misc. req. error %d\n", ret); @@ -211,8 +211,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320, }
/* Read value */ - ret = usb_bulk_msg(gm12u320->udev, - usb_rcvbulkpipe(gm12u320->udev, MISC_RCV_EPT), + ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, MISC_RCV_EPT), gm12u320->cmd_buf, MISC_VALUE_SIZE, &len, DATA_TIMEOUT); if (ret || len != MISC_VALUE_SIZE) { @@ -222,8 +221,7 @@ static int gm12u320_misc_request(struct gm12u320_device *gm12u320, /* cmd_buf[0] now contains the read value, which we don't use */
/* Read status */ - ret = usb_bulk_msg(gm12u320->udev, - usb_rcvbulkpipe(gm12u320->udev, MISC_RCV_EPT), + ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, MISC_RCV_EPT), gm12u320->cmd_buf, READ_STATUS_SIZE, &len, CMD_TIMEOUT); if (ret || len != READ_STATUS_SIZE) { @@ -331,6 +329,7 @@ static void gm12u320_fb_update_work(struct work_struct *work) struct gm12u320_device *gm12u320 = container_of(to_delayed_work(work), struct gm12u320_device, fb_update.work); + struct usb_device *udev = drm_dev_get_usb_device(&gm12u320->dev); int block, block_size, len; int ret = 0;
@@ -350,43 +349,41 @@ static void gm12u320_fb_update_work(struct work_struct *work) gm12u320->cmd_buf[21] = block | (gm12u320->fb_update.frame << 7);
- ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->cmd_buf, CMD_SIZE, &len, - CMD_TIMEOUT); + ret = usb_bulk_msg(udev, + usb_sndbulkpipe(udev, DATA_SND_EPT), + gm12u320->cmd_buf, CMD_SIZE, &len, + CMD_TIMEOUT); if (ret || len != CMD_SIZE) goto err;
/* Send data block to device */ - ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->data_buf[block], block_size, - &len, DATA_TIMEOUT); + ret = usb_bulk_msg(udev, + usb_sndbulkpipe(udev, DATA_SND_EPT), + gm12u320->data_buf[block], block_size, + &len, DATA_TIMEOUT); if (ret || len != block_size) goto err;
/* Read status */ - ret = usb_bulk_msg(gm12u320->udev, - usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT), - gm12u320->cmd_buf, READ_STATUS_SIZE, &len, - CMD_TIMEOUT); + ret = usb_bulk_msg(udev, + usb_rcvbulkpipe(udev, DATA_RCV_EPT), + gm12u320->cmd_buf, READ_STATUS_SIZE, &len, + CMD_TIMEOUT); if (ret || len != READ_STATUS_SIZE) goto err; }
/* Send draw command to device */ memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE); - ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT); + ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, DATA_SND_EPT), + gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT); if (ret || len != CMD_SIZE) goto err;
/* Read status */ - ret = usb_bulk_msg(gm12u320->udev, - usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT), - gm12u320->cmd_buf, READ_STATUS_SIZE, &len, - gm12u320->fb_update.draw_status_timeout); + ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, DATA_RCV_EPT), + gm12u320->cmd_buf, READ_STATUS_SIZE, &len, + gm12u320->fb_update.draw_status_timeout); if (ret || len != READ_STATUS_SIZE) goto err;
@@ -638,7 +635,6 @@ static int gm12u320_usb_probe(struct usb_interface *interface, if (IS_ERR(gm12u320)) return PTR_ERR(gm12u320);
- gm12u320->udev = interface_to_usbdev(interface); INIT_DELAYED_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work); mutex_init(&gm12u320->fb_update.lock);