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authorFabio Estevam <fabio.estevam@freescale.com>2015-11-01 13:18:27 -0200
committerTom Rini <trini@konsulko.com>2015-11-12 18:13:19 -0500
commit44082481469001c62bfed6eee1a2da4c4a259334 (patch)
treed164b0ef113fc39045a5ba050f2a2c7725781c67 /drivers
parent7664846bbbccee0d5fa6b5f9d4a8ad0f07ff29d7 (diff)
block: ahci: Remove dead code
CONFIG_AHCI_SETFEATURES_XFER is not selected by any user, so delete the dead code. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/ahci.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index 82c68439f8..1ad638ea05 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -485,36 +485,6 @@ static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts)
#endif
}
-
-#ifdef CONFIG_AHCI_SETFEATURES_XFER
-static void ahci_set_feature(u8 port)
-{
- struct ahci_ioports *pp = &(probe_ent->port[port]);
- void __iomem *port_mmio = pp->port_mmio;
- u32 cmd_fis_len = 5; /* five dwords */
- u8 fis[20];
-
- /* set feature */
- memset(fis, 0, sizeof(fis));
- fis[0] = 0x27;
- fis[1] = 1 << 7;
- fis[2] = ATA_CMD_SET_FEATURES;
- fis[3] = SETFEATURES_XFER;
- fis[12] = __ilog2(probe_ent->udma_mask + 1) + 0x40 - 0x01;
-
- memcpy((unsigned char *)pp->cmd_tbl, fis, sizeof(fis));
- ahci_fill_cmd_slot(pp, cmd_fis_len);
- ahci_dcache_flush_sata_cmd(pp);
- writel(1, port_mmio + PORT_CMD_ISSUE);
- readl(port_mmio + PORT_CMD_ISSUE);
-
- if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE,
- WAIT_MS_DATAIO, 0x1)) {
- printf("set feature error on port %d!\n", port);
- }
-}
-#endif
-
static int wait_spinup(void __iomem *port_mmio)
{
ulong start;
@@ -956,9 +926,6 @@ void scsi_low_level_init(int busdevfunc)
printf("Can not start port %d\n", i);
continue;
}
-#ifdef CONFIG_AHCI_SETFEATURES_XFER
- ahci_set_feature((u8) i);
-#endif
}
}
}
@@ -1002,9 +969,6 @@ int ahci_init(void __iomem *base)
printf("Can not start port %d\n", i);
continue;
}
-#ifdef CONFIG_AHCI_SETFEATURES_XFER
- ahci_set_feature((u8) i);
-#endif
}
}
err_out: