On Mon, 2017-08-14 at 18:19 -0700, Greg Kroah-Hartman wrote: > 4.12-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Icenowy Zheng <[email protected]> > > commit d81ece747d8727bb8b1cfc9a20dbe62f09a4e35a upstream. > > The PH16 pin has a function with mux id 0x5, which is the DET pin of the > "sim" (smart card reader) IP block. > > This function is missing in old versions of A10/A20 SoCs' datasheets and > user manuals, so it's also missing in the old drivers. The newest A10 > Datasheet V1.70 and A20 Datasheet V1.41 contain this pin function, and > it's discovered during implementing R40 pinctrl driver. > > Add it to the driver. As we now merged A20 pinctrl driver to the A10 > one, we need to only fix the A10 driver now.
That happened after 4.12, so I think for stable the same change should
be applied in drivers/pinctrl/sunxi/pinctrl-sun7i-a20.c.
Ben.
> Fixes: f2821b1ca3a2 ("pinctrl: sunxi: Move Allwinner A10 pinctrl
> driver to a driver of its own")
>
> Signed-off-by: Icenowy Zheng <[email protected]>
> Reviewed-by: Chen-Yu Tsai <[email protected]>
> Signed-off-by: Linus Walleij <[email protected]>
> Signed-off-by: Greg Kroah-Hartman <[email protected]>
>
> ---
> drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c | 1 +
> 1 file changed, 1 insertion(+)
>
> --- a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
> @@ -811,6 +811,7 @@ static const struct sunxi_desc_pin sun4i
> SUNXI_FUNCTION(0x2, "lcd1"), /* D16 */
> SUNXI_FUNCTION(0x3, "pata"), /* ATAD12 */
> SUNXI_FUNCTION(0x4, "keypad"), /* IN6 */
> + SUNXI_FUNCTION(0x5, "sim"), /* DET */
> SUNXI_FUNCTION_IRQ(0x6, 16), /* EINT16 */
> SUNXI_FUNCTION(0x7, "csi1")), /* D16 */
> SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 17),
>
>
--
Ben Hutchings
Reality is just a crutch for people who can't handle science fiction.
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