On Mon, Nov 11, 2013 at 03:31:16PM +0200, Roger Quadros wrote:
> Align the ATA ID buffer to the cache-line boundary. This gets rid
> of the below error mesages on ARM v7 platforms.
>
> scanning bus for devices...
> ERROR: v7_dcache_inval_range - start address is not aligned - 0xfee48618
> ERROR: v7_dcache_inval_range - stop address is not aligned - 0xfee48818
>
> CC: Aneesh V <ane...@ti.com>
> Signed-off-by: Roger Quadros <rog...@ti.com>
> ---
> drivers/block/ahci.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
> index e24d634..e64df4f 100644
> --- a/drivers/block/ahci.c
> +++ b/drivers/block/ahci.c
> @@ -623,7 +623,7 @@ static int ata_scsiop_inquiry(ccb *pccb)
> 95 - 4,
> };
> u8 fis[20];
> - u16 *tmpid;
> + ALLOC_CACHE_ALIGN_BUFFER(u16, tmpid, ATA_ID_WORDS);
[snip]
> - tmpid = malloc(ATA_ID_WORDS * 2);
> - if (!tmpid) {
> - printf("%s: No memory for tmpid\n", __func__);
> - return -ENOMEM;
> - }
>
> if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), (u8 *)tmpid,
> ATA_ID_WORDS * 2, 0)) {We should be calling ALLOC_CACHE_ALIGN_BUFFER with ATA_ID_WORDS * 2, right? -- Tom
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