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SubjectRe: [PATCH] media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()'
Hi Christophe,

On Thu, Sep 12, 2019 at 10:44:50PM +0200, Christophe JAILLET wrote:
> The 2nd parameter of 'find_first_zero_bit()' is a number of bits, not of
> bytes. So use 'BITS_PER_LONG' instead of 'sizeof(lanes_used)'.
> Fixes: 1fc3b37f34f6 ("media: v4l: cadence: Add Cadence MIPI-CSI2 RX driver")
> Signed-off-by: Christophe JAILLET <>
> ---
> This patch is purely speculative. Using BITS_PER_LONG looks logical to me,
> but I'm not 100% sure that it is what is expected here. 'csi2rx->max_lanes'
> could also be a good candidate.

Yeah, csi2rx->max_lanes would make more sense in that context. Could
you resend a new version?


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