Hi Prabhakar,
On Monday 22 October 2012 17:47:51 Prabhakar Lad wrote:
> From: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>
> Warnings were generated because of the following commit changed data type
> for address pointer
>
> 195bbca ARM: 7500/1: io: avoid writeback addressing modes for __raw_
> accessors add __iomem annotation to fix following warnings
>
> drivers/media/platform/davinci/vpbe_osd.c: In function ‘osd_read’:
> drivers/media/platform/davinci/vpbe_osd.c:49:2: warning: passing
> argument 1 of ‘__raw_readl’ makes pointer from integer without a cast
> [enabled by default] arch/arm/include/asm/io.h:104:19: note: expected
> ‘const volatile
> void *’ but argument is of type ‘long unsigned int’
>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
> ---
> Resending the patch since, it didn't reach the DLOS mailing list.
>
> drivers/media/platform/davinci/vpbe_osd.c | 16 ++++++++--------
> 1 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/platform/davinci/vpbe_osd.c
> b/drivers/media/platform/davinci/vpbe_osd.c index bba299d..9ab9280 100644
> --- a/drivers/media/platform/davinci/vpbe_osd.c
> +++ b/drivers/media/platform/davinci/vpbe_osd.c
> @@ -46,14 +46,14 @@ static inline u32 osd_read(struct osd_state *sd, u32
> offset) {
> struct osd_state *osd = sd;
>
> - return readl(osd->osd_base + offset);
> + return readl(IOMEM(osd->osd_base + offset));
A better fix, in my opinion, would be to change the osd->osd_base field to be
a void __iomem * instead of long unsigned int.
> }
>
> static inline u32 osd_write(struct osd_state *sd, u32 val, u32 offset)
> {
> struct osd_state *osd = sd;
>
> - writel(val, osd->osd_base + offset);
> + writel(val, IOMEM(osd->osd_base + offset));
>
> return val;
> }
> @@ -63,9 +63,9 @@ static inline u32 osd_set(struct osd_state *sd, u32 mask,
> u32 offset) struct osd_state *osd = sd;
>
> u32 addr = osd->osd_base + offset;
> - u32 val = readl(addr) | mask;
> + u32 val = readl(IOMEM(addr)) | mask;
>
> - writel(val, addr);
> + writel(val, IOMEM(addr));
>
> return val;
> }
> @@ -75,9 +75,9 @@ static inline u32 osd_clear(struct osd_state *sd, u32
> mask, u32 offset) struct osd_state *osd = sd;
>
> u32 addr = osd->osd_base + offset;
> - u32 val = readl(addr) & ~mask;
> + u32 val = readl(IOMEM(addr)) & ~mask;
>
> - writel(val, addr);
> + writel(val, IOMEM(addr));
>
> return val;
> }
> @@ -88,9 +88,9 @@ static inline u32 osd_modify(struct osd_state *sd, u32
> mask, u32 val, struct osd_state *osd = sd;
>
> u32 addr = osd->osd_base + offset;
> - u32 new_val = (readl(addr) & ~mask) | (val & mask);
> + u32 new_val = (readl(IOMEM(addr)) & ~mask) | (val & mask);
>
> - writel(new_val, addr);
> + writel(new_val, IOMEM(addr));
>
> return new_val;
> }
--
Regards,
Laurent Pinchart
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