On Sun, Aug 8, 2010 at 3:18 AM, Santosh Shilimkar
<santosh.shilimkar@xxxxxx> wrote:
> On Davinci SRAM is mapped as MT_DEVICE becasue of the section
> mapping pre-requisite instead of intended MT_MEMORY_NONCACHED
>
> Since the section mapping limitation gets fixed with first
> patch in this series, the MT_MEMORY_NONCACHED can be used now.
>
> Have not tested this, so somebody with Davinci hardware can
> try this out
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
> Cc: davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx
> Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Acked-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
> ---
> arch/arm/mach-davinci/dm355.c | 3 +--
> arch/arm/mach-davinci/dm365.c | 3 +--
> arch/arm/mach-davinci/dm644x.c | 3 +--
> arch/arm/mach-davinci/dm646x.c | 3 +--
> 4 files changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
> index 3834781..e7bd2ad 100644
> --- a/arch/arm/mach-davinci/dm355.c
> +++ b/arch/arm/mach-davinci/dm355.c
> @@ -767,8 +767,7 @@ static struct map_desc dm355_io_desc[] = {
> .virtual = SRAM_VIRT,
> .pfn = __phys_to_pfn(0x00010000),
> .length = SZ_32K,
> - /* MT_MEMORY_NONCACHED requires supersection alignment */
> - .type = MT_DEVICE,
> + .type = MT_MEMORY_NONCACHED,
> },
> };
>
> diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
> index a146849..5dee032 100644
> --- a/arch/arm/mach-davinci/dm365.c
> +++ b/arch/arm/mach-davinci/dm365.c
> @@ -967,8 +967,7 @@ static struct map_desc dm365_io_desc[] = {
> .virtual = SRAM_VIRT,
> .pfn = __phys_to_pfn(0x00010000),
> .length = SZ_32K,
> - /* MT_MEMORY_NONCACHED requires supersection alignment */
> - .type = MT_DEVICE,
> + .type = MT_MEMORY_NONCACHED,
> },
> };
>
> diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
> index 7ad1520..5112d51 100644
> --- a/arch/arm/mach-davinci/dm644x.c
> +++ b/arch/arm/mach-davinci/dm644x.c
> @@ -651,8 +651,7 @@ static struct map_desc dm644x_io_desc[] = {
> .virtual = SRAM_VIRT,
> .pfn = __phys_to_pfn(0x00008000),
> .length = SZ_16K,
> - /* MT_MEMORY_NONCACHED requires supersection alignment */
> - .type = MT_DEVICE,
> + .type = MT_MEMORY_NONCACHED,
> },
> };
>
> diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
> index 9404565..97078f4 100644
> --- a/arch/arm/mach-davinci/dm646x.c
> +++ b/arch/arm/mach-davinci/dm646x.c
> @@ -735,8 +735,7 @@ static struct map_desc dm646x_io_desc[] = {
> .virtual = SRAM_VIRT,
> .pfn = __phys_to_pfn(0x00010000),
> .length = SZ_32K,
> - /* MT_MEMORY_NONCACHED requires supersection alignment */
> - .type = MT_DEVICE,
> + .type = MT_MEMORY_NONCACHED,
> },
> };
>
> --
> 1.6.0.4
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
