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Subject: media: mc: Set bus_info in media_device_init() Author: Sakari Ailus <[email protected]> Date: Sat Jan 22 11:31:37 2022 +0000 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 <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/mc/mc-device.c | 4 ++++ drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 2 -- drivers/media/platform/renesas/rcar-vin/rcar-core.c | 2 -- drivers/media/platform/renesas/vsp1/vsp1_drv.c | 2 -- drivers/media/platform/st/stm32/stm32-dcmi.c | 2 -- drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 2 -- drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 2 -- drivers/media/platform/ti/cal/cal.c | 2 -- include/media/media-device.h | 6 +++--- 9 files changed, 7 insertions(+), 17 deletions(-) --- diff --git a/drivers/media/mc/mc-device.c b/drivers/media/mc/mc-device.c index 094647fdb866..824d89b325a6 100644 --- a/drivers/media/mc/mc-device.c +++ b/drivers/media/mc/mc-device.c @@ -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); diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c index 0e9b0503b62a..b15fac775e14 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c @@ -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); diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-core.c b/drivers/media/platform/renesas/rcar-vin/rcar-core.c index 64cb05b3907c..95f338b9477c 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-core.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-core.c @@ -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); diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drv.c b/drivers/media/platform/renesas/vsp1/vsp1_drv.c index 502c7d9d6890..1f73c48eb738 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c @@ -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; diff --git a/drivers/media/platform/st/stm32/stm32-dcmi.c b/drivers/media/platform/st/stm32/stm32-dcmi.c index c4c65d852525..09a743cd7004 100644 --- a/drivers/media/platform/st/stm32/stm32-dcmi.c +++ b/drivers/media/platform/st/stm32/stm32-dcmi.c @@ -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); diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index 80a10f238bbe..18e6c65f4737 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -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; diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index fc96921b0583..a971587dbbd1 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -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); diff --git a/drivers/media/platform/ti/cal/cal.c b/drivers/media/platform/ti/cal/cal.c index 4a4a6c5983f7..11f67abc2f38 100644 --- a/drivers/media/platform/ti/cal/cal.c +++ b/drivers/media/platform/ti/cal/cal.c @@ -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); /* diff --git a/include/media/media-device.h b/include/media/media-device.h index f0baee6771ef..a10b30507524 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -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. _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
