On Wednesday 29 October 2014 19:17:55 Kevin Cernekee wrote:
> Defining these macros way down in arch/sh/.../irq.c doesn't cause
> kernel/irq/generic-chip.c to use them. As far as I can tell this code
> has no effect.
>
> Signed-off-by: Kevin Cernekee <[email protected]>
Actually it overrides the 32-bit accessors with 16-bit accessors,
which does seem intentional and certainly has an effect.
Arnd
> arch/sh/boards/mach-se/7343/irq.c | 3 ---
> arch/sh/boards/mach-se/7722/irq.c | 3 ---
> 2 files changed, 6 deletions(-)
>
> diff --git a/arch/sh/boards/mach-se/7343/irq.c
> b/arch/sh/boards/mach-se/7343/irq.c
> index 7646bf0..1087dba 100644
> --- a/arch/sh/boards/mach-se/7343/irq.c
> +++ b/arch/sh/boards/mach-se/7343/irq.c
> @@ -14,9 +14,6 @@
> #define DRV_NAME "SE7343-FPGA"
> #define pr_fmt(fmt) DRV_NAME ": " fmt
>
> -#define irq_reg_readl ioread16
> -#define irq_reg_writel iowrite16
> -
> #include <linux/init.h>
> #include <linux/irq.h>
> #include <linux/interrupt.h>
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