diff options
| author | Taylor Hutt <thutt@chromium.org> | 2012-10-29 05:23:55 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-11-02 15:20:42 -0700 |
| commit | c8731115656132b4b449f4e32a867ec48e47c84b (patch) | |
| tree | f81598407ddfbb3ce64937477ea4cf2dc0746144 /drivers/block/ahci.c | |
| parent | 19d1d41e844ea8525f527fd5301aba9eb3006241 (diff) | |
| download | u-boot-imx-c8731115656132b4b449f4e32a867ec48e47c84b.zip u-boot-imx-c8731115656132b4b449f4e32a867ec48e47c84b.tar.gz u-boot-imx-c8731115656132b4b449f4e32a867ec48e47c84b.tar.bz2 | |
ahci: Use sizeof(fis) instead of hardcoding '20'
This cleanup replaces the hardcoded use of '20', which represents the
number of bytes in the FIS, with sizeof(fis).
Signed-off-by: Taylor Hutt <thutt@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/block/ahci.c')
| -rw-r--r-- | drivers/block/ahci.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index c16e8ba..10fae88 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -383,14 +383,14 @@ static void ahci_set_feature(u8 port) u8 fis[20]; /* set feature */ - memset(fis, 0, 20); + memset(fis, 0, sizeof(fis)); fis[0] = 0x27; fis[1] = 1 << 7; fis[2] = ATA_CMD_SETF; fis[3] = SETFEATURES_XFER; fis[12] = __ilog2(probe_ent->udma_mask + 1) + 0x40 - 0x01; - memcpy((unsigned char *)pp->cmd_tbl, fis, 20); + memcpy((unsigned char *)pp->cmd_tbl, fis, sizeof(fis)); ahci_fill_cmd_slot(pp, cmd_fis_len); writel(1, port_mmio + PORT_CMD_ISSUE); readl(port_mmio + PORT_CMD_ISSUE); @@ -559,7 +559,7 @@ static int ata_scsiop_inquiry(ccb *pccb) if (pccb->datalen <= 35) return 0; - memset(fis, 0, 20); + memset(fis, 0, sizeof(fis)); /* Construct the FIS */ fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ @@ -570,7 +570,7 @@ static int ata_scsiop_inquiry(ccb *pccb) if (!(tmpid = malloc(sizeof(hd_driveid_t)))) return -ENOMEM; - if (ahci_device_data_io(port, (u8 *) &fis, 20, tmpid, + if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), tmpid, sizeof(hd_driveid_t), 0)) { debug("scsi_ahci: SCSI inquiry command failure.\n"); return -EIO; @@ -620,7 +620,7 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write) is_write ? "write" : "read", (unsigned)lba, blocks); /* Preset the FIS */ - memset(fis, 0, 20); + memset(fis, 0, sizeof(fis)); fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ /* Command byte (read/write). */ |