> the sfb->fb->screen_base is not save the value get by iounmap() when
> the chip id is 0x720.
I suggest to improve this change description.
How did you determine relevant differences for the mentioned chip model?
> so iounmap() for address sfb->fb->screen_base is not right.
Will another imperative wording become helpful here?
…
> +++ b/drivers/video/fbdev/sm712fb.c
> @@ -1429,6 +1429,8 @@ static int smtc_map_smem(struct smtcfb_info *sfb,
> static void smtc_unmap_smem(struct smtcfb_info *sfb)
> {
> if (sfb && sfb->fb->screen_base) {
> + if (sfb->chip_id == 0x720)
> + sfb->fb->screen_base -= 0x00200000;
> iounmap(sfb->fb->screen_base);
How do you think about to use descriptive identifiers for
the shown constants?
Would you like to clarify any related software analysis approaches?
Regards,
Markus
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