[PATCH] amba-pl011: fix panic introduced by "clear pending interrupts"

[Sergei Shtylyov]

Hello.

On 27-03-2012 0:32, Alessandro Rubini wrote:

> patch 9b96fba, currently in linux-next, clears interrupts using

    Please also specify the summary of this commit in parens.

> uap->port.membase that has not been assigned.  My x86 system,
> that uses a pci-to-amba bridge, panics with a message like:

>     BUG: unable to handle kernel NULL pointer dereference at 00000038
>     IP: [<c12c85ed>] pl011_probe+0x119/0x303

> Signed-off-by: Alessandro Rubini<rubini at gnudd.com>
> Acked-by: Giancarlo Asnaghi<giancarlo.asnaghi at st.com>

WBR, Sergei