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author | Kevin Hilman <khilman@baylibre.com> | 2017-06-06 20:37:39 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-06-07 12:17:12 -0300 |
commit | 4a5f8ae50b66a40cd9cec8f72f5f64611504ddc1 (patch) | |
tree | 1b1e41ac27bd605f125c7a99c714b067831aa3b7 /drivers/media/platform/davinci/vpif_display.c | |
parent | 6e3520f2e20262fbf913ffff14f1d345c7b82c25 (diff) | |
download | op-kernel-dev-4a5f8ae50b66a40cd9cec8f72f5f64611504ddc1.zip op-kernel-dev-4a5f8ae50b66a40cd9cec8f72f5f64611504ddc1.tar.gz |
[media] davinci: vpif_capture: get subdevs from DT when available
Enable getting of subdevs from DT ports and endpoints.
The _get_pdata() function was larely inspired by (i.e. stolen from)
am437x-vpfe.c
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
-rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 7e5cf99..b5ac6ce 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1250,6 +1250,11 @@ static __init int vpif_probe(struct platform_device *pdev) return -EINVAL; } + if (!pdev->dev.platform_data) { + dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); + return -EINVAL; + } + vpif_dev = &pdev->dev; err = initialize_vpif(); |