diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-04-10 12:13:30 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-22 20:12:07 +0300 |
| commit | ba9db909d3a4fbc1633bcb18b4118cec84aed668 (patch) | |
| tree | eaf39bf7b1fa237ec8ae7b3871b5da193475e5b9 /drivers/media | |
| parent | 6bc37729df640748ed1718e3f150d63cbff1dc7e (diff) | |
| download | linux-ba9db909d3a4fbc1633bcb18b4118cec84aed668.tar.xz | |
media: s5p_cec: use new cec_notifier_parse_hdmi_phandle helper
The S5P CEC driver increased the HDMI device refcount when
it shouldn't. Use the new helper function to ensure that that
doesn't happen and to simplify the driver code.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/s5p-cec/s5p_cec.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/media/platform/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c index 8837e2678bde..7f62f5ef0086 100644 --- a/drivers/media/platform/s5p-cec/s5p_cec.c +++ b/drivers/media/platform/s5p-cec/s5p_cec.c @@ -178,22 +178,16 @@ static const struct cec_adap_ops s5p_cec_adap_ops = { static int s5p_cec_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np; - struct platform_device *hdmi_dev; + struct device *hdmi_dev; struct resource *res; struct s5p_cec_dev *cec; bool needs_hpd = of_property_read_bool(pdev->dev.of_node, "needs-hpd"); int ret; - np = of_parse_phandle(pdev->dev.of_node, "hdmi-phandle", 0); + hdmi_dev = cec_notifier_parse_hdmi_phandle(dev); - if (!np) { - dev_err(&pdev->dev, "Failed to find hdmi node in device tree\n"); - return -ENODEV; - } - hdmi_dev = of_find_device_by_node(np); - if (hdmi_dev == NULL) - return -EPROBE_DEFER; + if (IS_ERR(hdmi_dev)) + return PTR_ERR(hdmi_dev); cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL); if (!cec) @@ -224,7 +218,7 @@ static int s5p_cec_probe(struct platform_device *pdev) if (IS_ERR(cec->reg)) return PTR_ERR(cec->reg); - cec->notifier = cec_notifier_get(&hdmi_dev->dev); + cec->notifier = cec_notifier_get(hdmi_dev); if (cec->notifier == NULL) return -ENOMEM; |