gpio: mt7621: pass mediatek_gpio_bank_probe() failure up the stack

The error cases of mediatek_gpio_bank_probe() would go unnoticed (except
for the dev_err() messages). The probe function should return an error
if one of the banks failed to initialize properly indicated by
not returning non-0.

Fixes: 4ba9c3afda41 ("gpio: mt7621: Add a driver for MT7621")
Signed-off-by: Nicholas Mc Guire <[email protected]>
Acked-by: Sean Wang <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
1 file changed