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ahci: Fix cache align error messages 

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 <aneesh@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
This commit is contained in:
Roger Quadros 2013-11-11 16:56:38 +02:00 committed by Tom Rini
parent d73763a4fb
commit 2faf5fb82e
1 changed files with 1 additions and 7 deletions
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8
drivers/block/ahci.c
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@ -623,7 +623,7 @@ static int ata_scsiop_inquiry(ccb *pccb)
95 - 4, 95 - 4,
}; };
u8 fis[20]; u8 fis[20];
u16 *tmpid; ALLOC_CACHE_ALIGN_BUFFER(u16, tmpid, ATA_ID_WORDS);
u8 port; u8 port;
/* Clean ccb data buffer */ /* Clean ccb data buffer */
@ -642,16 +642,10 @@ static int ata_scsiop_inquiry(ccb *pccb)
/* Read id from sata */ /* Read id from sata */
port = pccb->target; port = pccb->target;
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, if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), (u8 *)tmpid,
ATA_ID_WORDS * 2, 0)) { ATA_ID_WORDS * 2, 0)) {
debug("scsi_ahci: SCSI inquiry command failure.\n"); debug("scsi_ahci: SCSI inquiry command failure.\n");
free(tmpid);
return -EIO; return -EIO;
} }