Fix: sata_dwc.c: In function 'sata_dwc_softreset': sata_dwc.c:444:5: warning: variable 'status' set but not used [-Wunused-but-set-variable] sata_dwc.c:443:6: warning: variable 'serror' set but not used [-Wunused-but-set-variable] sata_dwc.c: In function 'scan_sata': sata_dwc.c:654:16: warning: variable 'lba_desc' set but not used [-Wunused-but-set-variable] sata_dwc.c:538:16: warning: variable 'xfer_mask' set but not used [-Wunused-but-set-variable] sata_dwc.c: In function 'ata_dev_read_id': sata_dwc.c:747:14: warning: variable 'reason' set but not used [-Wunused-but-set-variable] sata_dwc.c: In function 'ata_dev_read_sectors': sata_dwc.c:1810:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable] sata_dwc.c: In function 'ata_dev_write_sectors': sata_dwc.c:1994:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
Signed-off-by: Stefan Roese sr@denx.de --- drivers/block/sata_dwc.c | 35 +++-------------------------------- 1 files changed, 3 insertions(+), 32 deletions(-)
diff --git a/drivers/block/sata_dwc.c b/drivers/block/sata_dwc.c index b2b3804..69ec5fd 100644 --- a/drivers/block/sata_dwc.c +++ b/drivers/block/sata_dwc.c @@ -440,11 +440,9 @@ static int sata_dwc_softreset(struct ata_port *ap) { u8 nsect,lbal = 0; u8 tmp = 0; - u32 serror = 0; - u8 status = 0; struct ata_ioports *ioaddr = &ap->ioaddr;
- serror = in_le32((void *)ap->ioaddr.scr_addr + (SCR_ERROR * 4)); + in_le32((void *)ap->ioaddr.scr_addr + (SCR_ERROR * 4));
writeb(0x55, ioaddr->nsect_addr); writeb(0xaa, ioaddr->lbal_addr); @@ -476,7 +474,7 @@ static int sata_dwc_softreset(struct ata_port *ap) writeb(ap->ctl, ioaddr->ctl_addr);
msleep(150); - status = ata_check_status(ap); + ata_check_status(ap);
msleep(50); ata_check_status(ap); @@ -535,7 +533,6 @@ int scan_sata(int dev) const u16 *id; struct ata_device *ata_dev = &ata_device; unsigned long pio_mask, mwdma_mask, udma_mask; - unsigned long xfer_mask; char revbuf[7]; u16 iobuf[ATA_SECTOR_WORDS];
@@ -629,10 +626,6 @@ int scan_sata(int dev) if (id[ATA_ID_FIELD_VALID] & (1 << 2)) udma_mask = id[ATA_ID_UDMA_MODES] & 0xff;
- xfer_mask = ((pio_mask << ATA_SHIFT_PIO) & ATA_MASK_PIO) | - ((mwdma_mask << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA) | - ((udma_mask << ATA_SHIFT_UDMA) & ATA_MASK_UDMA); - if (ata_dev->class == ATA_DEV_ATA) { if (ata_id_is_cfa(id)) { if (id[162] & 1) @@ -651,14 +644,11 @@ int scan_sata(int dev) ata_dev->multi_count = ata_dev->id[59] & 0xff;
if (ata_id_has_lba(id)) { - const char *lba_desc; char ncq_desc[20];
- lba_desc = "LBA"; ata_dev->flags |= ATA_DFLAG_LBA; if (ata_id_has_lba48(id)) { ata_dev->flags |= ATA_DFLAG_LBA48; - lba_desc = "LBA48";
if (ata_dev->n_sectors >= (1UL << 28) && ata_id_has_flush_ext(id)) @@ -890,6 +880,7 @@ retry: return 0;
err_out: + printf("failed to READ ID (%s, err_mask=0x%x)\n", reason, err_mask); return rc; }
@@ -1807,7 +1798,6 @@ static int ata_dev_read_sectors(unsigned char *pdata, unsigned long datalen, unsigned int err_mask = 0; const char *reason; int may_fallback = 1; - int rc;
if (dev_state == SATA_ERROR) return FALSE; @@ -1904,19 +1894,10 @@ retry: return -ENOENT; }
- rc = -EIO; reason = "I/O error"; goto err_out; }
- /* Falling back doesn't make sense if ID data was read - * successfully at least once. - */ - may_fallback = 0; - - rc = -EINVAL; - reason = "device reports invalid type"; - return TRUE;
err_out: @@ -1991,7 +1972,6 @@ static int ata_dev_write_sectors(unsigned char* pdata, unsigned long datalen, unsigned int err_mask = 0; const char *reason; int may_fallback = 1; - int rc;
if (dev_state == SATA_ERROR) return FALSE; @@ -2089,19 +2069,10 @@ retry: return -ENOENT; }
- rc = -EIO; reason = "I/O error"; goto err_out; }
- /* Falling back doesn't make sense if ID data was read - * successfully at least once. - */ - may_fallback = 0; - - rc = -EINVAL; - reason = "device reports invalid type"; - return TRUE;
err_out: