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author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2023-03-29 15:00:00 +0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-08-10 07:58:31 +0200 |
commit | 4af65141e38ea59a52af1d81f2352790daa2e4e0 (patch) | |
tree | b4dff82c665cb334945a4ac5ef2be298f06fbede /drivers/media/platform/marvell | |
parent | 5073d10cbabae8117b4e176244d5e30881bb75ff (diff) | |
download | linux-stable-4af65141e38ea59a52af1d81f2352790daa2e4e0.tar.gz linux-stable-4af65141e38ea59a52af1d81f2352790daa2e4e0.tar.bz2 linux-stable-4af65141e38ea59a52af1d81f2352790daa2e4e0.zip |
media: marvell: cafe: Register V4L2 device earlier
Register V4L2 device before the async notifier. This way the device can be
made available to the V4L2 async framework from the notifier init time
onwards. A subsequent patch will add struct v4l2_device as an argument to
v4l2_async_nf_init().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/marvell')
-rw-r--r-- | drivers/media/platform/marvell/cafe-driver.c | 11 | ||||
-rw-r--r-- | drivers/media/platform/marvell/mcam-core.c | 9 |
2 files changed, 9 insertions, 11 deletions
diff --git a/drivers/media/platform/marvell/cafe-driver.c b/drivers/media/platform/marvell/cafe-driver.c index dd1bba70bd79..fbfbb9f67ddf 100644 --- a/drivers/media/platform/marvell/cafe-driver.c +++ b/drivers/media/platform/marvell/cafe-driver.c @@ -536,6 +536,10 @@ static int cafe_pci_probe(struct pci_dev *pdev, if (ret) goto out_pdown; + ret = v4l2_device_register(mcam->dev, &mcam->v4l2_dev); + if (ret) + goto out_smbus_shutdown; + v4l2_async_nf_init(&mcam->notifier); asd = v4l2_async_nf_add_i2c(&mcam->notifier, @@ -544,12 +548,12 @@ static int cafe_pci_probe(struct pci_dev *pdev, struct v4l2_async_connection); if (IS_ERR(asd)) { ret = PTR_ERR(asd); - goto out_smbus_shutdown; + goto out_v4l2_device_unregister; } ret = mccic_register(mcam); if (ret) - goto out_smbus_shutdown; + goto out_v4l2_device_unregister; clkdev_create(mcam->mclk, "xclk", "%d-%04x", i2c_adapter_id(cam->i2c_adapter), ov7670_info.addr); @@ -565,6 +569,8 @@ static int cafe_pci_probe(struct pci_dev *pdev, out_mccic_shutdown: mccic_shutdown(mcam); +out_v4l2_device_unregister: + v4l2_device_unregister(&mcam->v4l2_dev); out_smbus_shutdown: cafe_smbus_shutdown(cam); out_pdown: @@ -587,6 +593,7 @@ out: static void cafe_shutdown(struct cafe_camera *cam) { mccic_shutdown(&cam->mcam); + v4l2_device_unregister(&cam->mcam.v4l2_dev); cafe_smbus_shutdown(cam); free_irq(cam->pdev->irq, cam); pci_iounmap(cam->pdev, cam->mcam.regs); diff --git a/drivers/media/platform/marvell/mcam-core.c b/drivers/media/platform/marvell/mcam-core.c index 3cee6d6b83fa..7a6e043ac753 100644 --- a/drivers/media/platform/marvell/mcam-core.c +++ b/drivers/media/platform/marvell/mcam-core.c @@ -1863,13 +1863,6 @@ int mccic_register(struct mcam_camera *cam) goto out; } - /* - * Register with V4L - */ - ret = v4l2_device_register(cam->dev, &cam->v4l2_dev); - if (ret) - goto out; - mutex_init(&cam->s_mutex); cam->state = S_NOTREADY; mcam_set_config_needed(cam, 1); @@ -1915,7 +1908,6 @@ int mccic_register(struct mcam_camera *cam) out: v4l2_async_nf_unregister(&cam->notifier); - v4l2_device_unregister(&cam->v4l2_dev); v4l2_async_nf_cleanup(&cam->notifier); return ret; } @@ -1937,7 +1929,6 @@ void mccic_shutdown(struct mcam_camera *cam) mcam_free_dma_bufs(cam); v4l2_ctrl_handler_free(&cam->ctrl_handler); v4l2_async_nf_unregister(&cam->notifier); - v4l2_device_unregister(&cam->v4l2_dev); v4l2_async_nf_cleanup(&cam->notifier); } EXPORT_SYMBOL_GPL(mccic_shutdown); |