Re: [PATCH v2 3/3] media: i2c: ds90ub960: Fix PLL config for 1200 MHz CSI rate

From: Laurent Pinchart
Date: Thu Aug 03 2023 - 17:53:40 EST


On Thu, Aug 03, 2023 at 03:15:47PM +0300, Tomi Valkeinen wrote:
> smatch reports:
>
> drivers/media/i2c/ds90ub960.c:1788 ub960_init_tx_ports() error: uninitialized symbol 'pll_div'.
>
> This is caused by 'pll_div' not being set for 1200 MHz CSI rate. Set the
> 'pll_div' correctly.
>
> Fixes: afe267f2d368 ("media: i2c: add DS90UB960 driver")
> Reported-by: Hans Verkuil <hverkuil@xxxxxxxxx>
> Closes: https://lore.kernel.org/all/8d6daeb1-b62a-bbb2-b840-8759c84f2085@xxxxxxxxx/
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>

My

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

from v1, send before I noticed v2 was on the list, still applies.

> ---
> drivers/media/i2c/ds90ub960.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
> index 4833b39b9178..4ab45e326d80 100644
> --- a/drivers/media/i2c/ds90ub960.c
> +++ b/drivers/media/i2c/ds90ub960.c
> @@ -1763,6 +1763,7 @@ static int ub960_init_tx_ports(struct ub960_data *priv)
> break;
> case MHZ(1200):
> speed_select = 1;
> + pll_div = 0x18;
> break;
> case MHZ(800):
> speed_select = 2;
>

--
Regards,

Laurent Pinchart