[PATCH v5 3/5] media: i2c: ov5645: Turn probe error into warning for xvclk frequency mismatch

Lad Prabhakar
2020-04-06T16:43:14Z

PLL's on platforms might not be so accurate enough to generate the
required clock frequency, so instead of erroring out on xvlck frequency
mismatch just warn the user and continue ahead in probe.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
drivers/media/i2c/ov5645.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c
index 52848fff8a08..314760349adf 100644
--- a/drivers/media/i2c/ov5645.c
+++ b/drivers/media/i2c/ov5645.c
@@ -1103,11 +1103,8 @@ static int ov5645_probe(struct i2c_client *client)
}
/* external clock must be 24MHz, allow 1% tolerance */
xclk_freq = clk_get_rate(ov5645->xclk);
- if (xclk_freq < 23760000 || xclk_freq > 24240000) {
- dev_err(dev, "external clock frequency %u is not supported\n",
- xclk_freq);
- return -EINVAL;
- }
+ if (xclk_freq < 23760000 || xclk_freq > 24240000)
+ dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");

for (i = 0; i < OV5645_NUM_SUPPLIES; i++)
ov5645->supplies[i].supply = ov5645_supply_name[i];
--
2.20.1