Hi Simon, On Wed, Nov 16, 2016 at 2:47 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote: > On Wed, Nov 16, 2016 at 11:35:22AM +0100, Geert Uytterhoeven wrote: >> On Tue, Nov 15, 2016 at 6:44 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote: >> >> i2c4 shares pins with vin0. Hence enabling the former breaks the latter: >> >> >> >> sh-pfc e6060000.pfc: pin GP_4_13 already requested by >> >> e6520000.i2c; cannot claim for e6ef0000.video >> >> sh-pfc e6060000.pfc: pin-141 (e6ef0000.video) status -22 >> >> sh-pfc e6060000.pfc: could not request pin 141 (GP_4_13) from >> >> group vin0_data24 on device sh-pfc >> >> rcar-vin e6ef0000.video: Error applying setting, reverse things back >> >> rcar-vin: probe of e6ef0000.video failed with error -22 >> >> >> >> There may be similar issues on other boards. Haven't checked yet. >> > >> > Thanks, I will drop this patch for now. >> > >> > I checked the boot logs of other boards with similar patches and didn't see >> > anything there. >> >> Do you have CONFIG_VIDEO_ADV7604=y? > > No, mainly because its not in shmobile_defconfig. > > I tried again with that option enabled and still didn't see > anything of interest in kernel log. > >> I expect the issue to be present on gose, too. So far I didn't see it >> there, yet. >> But the vin DTS of gose is different from koelsch, causing vin0 not to be >> initialized? > > It seems so. I managed to reproduce the issue on gose, by adding r8a7793 support to my koelsch .config. Apparently I was missing CONFIG_I2C_DEMUX_PINCTRL=y. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html