On Wed, Jan 08, 2014 at 04:06:28PM +0100, Gregory CLEMENT wrote:
> The first variants of Armada XP SoCs (A0 stepping) have issues related
> to the i2c controller which prevent to use the offload mechanism and
> lead to a kernel hang during boot.
>
> The commit introduces a new the compatible string
> marvell,mv78230-a0-i2c for the i2c controller. When this compatible
> string is used the driver disables the offload mechanism and the
> kernel no more hangs on these SoCs.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
> Reported-by: Andrew Lunn <andrew@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> drivers/i2c/busses/i2c-mv64xxx.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
> index 8be7e42aa4de..f424c0f89946 100644
> --- a/drivers/i2c/busses/i2c-mv64xxx.c
> +++ b/drivers/i2c/busses/i2c-mv64xxx.c
> @@ -692,6 +692,10 @@ static const struct of_device_id mv64xxx_i2c_of_match_table[] = {
> { .compatible = "allwinner,sun4i-i2c", .data = &mv64xxx_i2c_regs_sun4i},
> { .compatible = "marvell,mv64xxx-i2c", .data = &mv64xxx_i2c_regs_mv64xxx},
> { .compatible = "marvell,mv78230-i2c", .data = &mv64xxx_i2c_regs_mv64xxx},
> + {
> + .compatible = "marvell,mv78230-a0-i2c",
> + .data = &mv64xxx_i2c_regs_mv64xxx
> + },
I think a oneliner entry like the entries above is easier to read, but
that is very minor...
Acked-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
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