On 08/06/16 19:31, Matthew Leach wrote:
> Fix the serial access code to deal with kernels built for big endian
> operation.
>
> Signed-off-by: Matthew Leach <matthew@xxxxxxxxxxxxx>
> ---
> CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> CC: Jiri Slaby <jslaby@xxxxxxxx>
> CC: linux-serial@xxxxxxxxxxxxxxx
> CC: linux-kernel@xxxxxxxxxxxxxxx
> ---
> drivers/tty/serial/samsung.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h
> index fc5deaa..8818bdd 100644
> --- a/drivers/tty/serial/samsung.h
> +++ b/drivers/tty/serial/samsung.h
> @@ -118,9 +118,9 @@ struct s3c24xx_uart_port {
> ((unsigned long *)(unsigned long)((port)->membase + (reg)))
>
> #define rd_regb(port, reg) (__raw_readb(portaddr(port, reg)))
> -#define rd_regl(port, reg) (__raw_readl(portaddr(port, reg)))
> +#define rd_regl(port, reg) (readl_relaxed(portaddr(port, reg)))
For completeness we should have changed __raw_readb to readb_relaxed
> #define wr_regb(port, reg, val) __raw_writeb(val, portaddr(port, reg))
> -#define wr_regl(port, reg, val) __raw_writel(val, portaddr(port, reg))
> +#define wr_regl(port, reg, val) writel_relaxed(val, portaddr(port, reg))
Acked-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
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