[PATCH] pinctrl: sunxi: Fix A33 external interrupts not working

[Maxime Ripard]

On Sat, Mar 12, 2016 at 07:44:57PM +0100, Hans de Goede wrote:
> pinctrl-sun8i-a33.c (and the dts) declare only 2 interrupt banks,
> where as the closely related a23 has 3 banks. This matches with the
> datasheet for the A33 where only interrupt banks B and G are specified
> where as the A23 has banks A, B and G.
> 
> However the A33 being the A23 derative it is means that the interrupt
> configure/status io-addresses for the 2 banks it has are not changed
> from the A23, iow they have the same address as if bank A was still
> present. Where as the sunxi pinctrl currently tries to use the A23 bank
> A addresses for bank B, since the pinctrl code does not know about the
> removed bank A.
> 
> Add a irq_bank_base parameter and use this where appropriate to take
> the missing bank A into account.
> 
> This fixes external interrupts not working on the A33 (tested with
> an i2c touchscreen controller which uses an external interrupt).
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Maxime Ripard <maxime.ripard at free-electrons.com>

You should send it to stable though.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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