The RZ/A1 pin controller driver will be broken for 4.13

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Just FYI,

After pulling Geert's new renesas-drivers-2017-08-29-v4.13-rc7, I tried 
testing RZ/A1 and it hangs during boot.

Basically...

[  110.329579] pinctrl-rza1 fcfe3000.pin-controller: Parsed gpiochip gpio-0-0 with 6 pins
[  112.970056] pinctrl-rza1 fcfe3000.pin-controller: Parsed gpiochip gpio-1-1 with 16 pins
(hangs here forever)


After some debug, I found that this commit broke the new 
drivers/pinctrl/pinctrl-rza1.c driver.

 108d23e322a2 ("gpiolib: request the gpio before querying its direction")

Looks like it was added for -rc5.

If I revert that one patch, RZ/A1 boots fine.

Since we're at -rc7, I probably won't have time to fix it before the 
release.

Poor RZ/A1 pinctrl driver...it took so long to get into mainline, and 
then it only worked for 1 release.

:(


Chris





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