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media: mc: Set bus_info in media_device_init() 

Set bus_info field based on struct device in media_device_init() and
remove corresponding code from drivers.

Also update media_device_init() documentation: the dev field must be now
initialised before calling it.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sakari Ailus 2022-01-22 11:31:37 +00:00 committed by Mauro Carvalho Chehab
parent 78a171e587
commit cef699749f
9 changed files with 7 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/mc/mc-device.c
View File

@ -700,6 +700,10 @@ void media_device_init(struct media_device *mdev)
atomic_set(&mdev->request_id, 0);
if (!*mdev->bus_info)
media_set_bus_info(mdev->bus_info, sizeof(mdev->bus_info),
mdev->dev);
dev_dbg(mdev->dev, "Media device initialized\n");
}
EXPORT_SYMBOL_GPL(media_device_init);

2
drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
View File

@ -1777,8 +1777,6 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
cio2->media_dev.dev = dev;
strscpy(cio2->media_dev.model, CIO2_DEVICE_NAME,
sizeof(cio2->media_dev.model));
snprintf(cio2->media_dev.bus_info, sizeof(cio2->media_dev.bus_info),
"PCI:%s", pci_name(cio2->pci_dev));
cio2->media_dev.hw_revision = 0;
media_device_init(&cio2->media_dev);

2
drivers/media/platform/renesas/rcar-vin/rcar-core.c
View File

@ -94,8 +94,6 @@ static int rvin_group_init(struct rvin_group *group, struct rvin_dev *vin,
strscpy(mdev->driver_name, KBUILD_MODNAME, sizeof(mdev->driver_name));
strscpy(mdev->model, match->compatible, sizeof(mdev->model));
snprintf(mdev->bus_info, sizeof(mdev->bus_info), "platform:%s",
dev_name(mdev->dev));
media_device_init(mdev);

2
drivers/media/platform/renesas/vsp1/vsp1_drv.c
View File

@ -243,8 +243,6 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)
mdev->dev = vsp1->dev;
mdev->hw_revision = vsp1->version;
strscpy(mdev->model, vsp1->info->model, sizeof(mdev->model));
snprintf(mdev->bus_info, sizeof(mdev->bus_info), "platform:%s",
dev_name(mdev->dev));
media_device_init(mdev);
vsp1->media_ops.link_setup = vsp1_entity_link_setup;

2
drivers/media/platform/st/stm32/stm32-dcmi.c
View File

@ -1997,8 +1997,6 @@ static int dcmi_probe(struct platform_device *pdev)
/* Initialize media device */
strscpy(dcmi->mdev.model, DRV_NAME, sizeof(dcmi->mdev.model));
snprintf(dcmi->mdev.bus_info, sizeof(dcmi->mdev.bus_info),
"platform:%s", DRV_NAME);
dcmi->mdev.dev = &pdev->dev;
media_device_init(&dcmi->mdev);

2
drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c
View File

@ -173,8 +173,6 @@ static int sun4i_csi_probe(struct platform_device *pdev)
strscpy(csi->mdev.model, "Allwinner Video Capture Device",
sizeof(csi->mdev.model));
csi->mdev.hw_revision = 0;
snprintf(csi->mdev.bus_info, sizeof(csi->mdev.bus_info), "platform:%s",
dev_name(csi->dev));
media_device_init(&csi->mdev);
csi->v4l.mdev = &csi->mdev;

2
drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
View File

@ -733,8 +733,6 @@ static int sun6i_csi_v4l2_init(struct sun6i_csi *csi)
strscpy(csi->media_dev.model, "Allwinner Video Capture Device",
sizeof(csi->media_dev.model));
csi->media_dev.hw_revision = 0;
snprintf(csi->media_dev.bus_info, sizeof(csi->media_dev.bus_info),
"platform:%s", dev_name(csi->dev));
media_device_init(&csi->media_dev);
v4l2_async_nf_init(&csi->notifier);

2
drivers/media/platform/ti/cal/cal.c
View File

@ -884,8 +884,6 @@ static int cal_media_init(struct cal_dev *cal)
mdev->dev = cal->dev;
mdev->hw_revision = cal->revision;
strscpy(mdev->model, "CAL", sizeof(mdev->model));
snprintf(mdev->bus_info, sizeof(mdev->bus_info), "platform:%s",
dev_name(mdev->dev));
media_device_init(mdev);
/*

6
include/media/media-device.h
View File

@ -225,6 +225,9 @@ static inline __must_check int media_entity_enum_init(
*
* - dev must point to the parent device
* - model must be filled with the device model name
*
* The bus_info field is set by media_device_init() for PCI and platform devices
* if the field begins with '\0'.
*/
void media_device_init(struct media_device *mdev);
@ -249,9 +252,6 @@ void media_device_cleanup(struct media_device *mdev);
* The caller is responsible for initializing the &media_device structure
* before registration. The following fields of &media_device must be set:
*
* - &media_device.dev must point to the parent device (usually a &pci_dev,
* &usb_interface or &platform_device instance).
*
* - &media_device.model must be filled with the device model name as a
* NUL-terminated UTF-8 string. The device/model revision must not be
* stored in this field.