[PATCH] ARM: Kirkwood: fix unused mvsdio gpio pins
Jason Cooper
jason at lakedaemon.net
Thu Mar 28 13:00:39 EDT 2013
On Sat, Mar 23, 2013 at 01:56:58PM +0100, Sebastian Hesselbarth wrote:
> mvsdio_platform_data allows to pass card detect and write protect gpio
> numbers to the driver. Some kirkwood boards don't use both pins as they
> are not connected, and don't set the corresponding value in platform_data.
>
> This will leave the unset values in platform_data initialized as 0, which
> is in fact a valid gpio pin. mvsdio will grab that pin and configure it as
> gpio, which in turn breaks nand controller as mpp0 also carries nand_io2.
>
> This patch fixes the above by initializing unused gpio functions in the
> platform_data with an invalid (-1) value.
>
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
> Reported-by: Soeren Moch <smoch at web.de>
> ---
> Cc: Soeren Moch <smoch at web.de>
> Cc: Jason Cooper <jason at lakedaemon.net>
> Cc: Andrew Lunn <andrew at lunn.ch>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> ---
> arch/arm/mach-kirkwood/guruplug-setup.c | 2 ++
> arch/arm/mach-kirkwood/openrd-setup.c | 1 +
> arch/arm/mach-kirkwood/rd88f6281-setup.c | 1 +
> 3 files changed, 4 insertions(+)
Applied to mvebu/fixes
thx,
Jason.
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