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block: ahci: Remove dead code

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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>
This commit is contained in:
Fabio Estevam 2015-11-01 13:18:27 -02:00 committed by Tom Rini
parent 7664846bbb
commit 4408248146
1 changed files with 0 additions and 36 deletions
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36
drivers/block/ahci.c
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@ -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: