gpio: merrifield: Move hardware initialization to callback
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 9 Oct 2019 15:23:27 +0000 (18:23 +0300)
committerLinus Walleij <linus.walleij@linaro.org>
Mon, 14 Oct 2019 23:19:01 +0000 (01:19 +0200)
commit4c87540940cbc7ddbe9674087919c605fd5c2ef1
tree12983dc6c97c0b06fc11d4d1cf828b3380df2965
parenta33912061607979380e070af63a9adeef0a16246
gpio: merrifield: Move hardware initialization to callback

The driver wants to initialize related registers before IRQ chip will be added.
That's why move it to a corresponding callback. It also fixes the NULL pointer
dereference.

Fixes: 8f86a5b4ad67 ("gpio: merrifield: Pass irqchip when adding gpiochip")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-merrifield.c