Re: [PATCH v2 4/6] ARM: ep93xx: ts72xx: Rewrite map IO code to be reusable

From: Alexander Sverdlin
Date: Wed Nov 29 2017 - 15:36:57 EST


Hi!

On 21/11/17 15:32, Lukasz Majewski wrote:
> The map IO common code has been excluded to be reused by other ts72xx
> clones.
>
> Signed-off-by: Lukasz Majewski <lukma@xxxxxxx>

Acked-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>

>
> ---
> Changes for v2:
> - New patch
> ---
> arch/arm/mach-ep93xx/ts72xx.c | 23 ++++++++++++++++-------
> 1 file changed, 16 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
> index 00e0e5b8babf..a6e473b3dcf6 100644
> --- a/arch/arm/mach-ep93xx/ts72xx.c
> +++ b/arch/arm/mach-ep93xx/ts72xx.c
> @@ -30,11 +30,6 @@
>
> static struct map_desc ts72xx_io_desc[] __initdata = {
> {
> - .virtual = (unsigned long)TS72XX_MODEL_VIRT_BASE,
> - .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE),
> - .length = TS72XX_MODEL_SIZE,
> - .type = MT_DEVICE,
> - }, {
> .virtual = (unsigned long)TS72XX_OPTIONS_VIRT_BASE,
> .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE),
> .length = TS72XX_OPTIONS_SIZE,
> @@ -47,12 +42,26 @@ static struct map_desc ts72xx_io_desc[] __initdata = {
> }
> };
>
> -static void __init ts72xx_map_io(void)
> +static struct map_desc ts72xx_common_io_desc[] __initdata = {
> + {
> + .virtual = (unsigned long)TS72XX_MODEL_VIRT_BASE,
> + .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE),
> + .length = TS72XX_MODEL_SIZE,
> + .type = MT_DEVICE,
> + }
> +};
> +
> +void __init ts72xx_common_map_io(void)
> {
> ep93xx_map_io();
> - iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc));
> + iotable_init(ts72xx_common_io_desc, ARRAY_SIZE(ts72xx_common_io_desc));
> }
>
> +static void __init ts72xx_map_io(void)
> +{
> + ts72xx_common_map_io();
> + iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc));
> +}
>
> /*************************************************************************
> * NAND flash