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>
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index 82c6843..1ad638e 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -485,36 +485,6 @@
#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 @@
printf("Can not start port %d\n", i);
continue;
}
-#ifdef CONFIG_AHCI_SETFEATURES_XFER
- ahci_set_feature((u8) i);
-#endif
}
}
}
@@ -1002,9 +969,6 @@
printf("Can not start port %d\n", i);
continue;
}
-#ifdef CONFIG_AHCI_SETFEATURES_XFER
- ahci_set_feature((u8) i);
-#endif
}
}
err_out: