More cosmetic cleanups to unclutter the changes needed for PMP support.
Signed-off-by: Mark Lord <mlord@xxxxxxxxx>
--- old/drivers/ata/sata_mv.c 2008-04-14 13:36:50.000000000 -0400
+++ linux/drivers/ata/sata_mv.c 2008-04-15 18:16:29.000000000 -0400
@@ -224,14 +224,20 @@
SATA_STATUS_OFS = 0x300, /* ctrl, err regs follow status */
SATA_ACTIVE_OFS = 0x350,
SATA_FIS_IRQ_CAUSE_OFS = 0x364,
+
LTMODE_OFS = 0x30c,
+ LTMODE_BIT8 = (1 << 8), /* unknown, but necessary */
+
PHY_MODE3 = 0x310,
PHY_MODE4 = 0x314,
PHY_MODE2 = 0x330,
SATA_IFCTL_OFS = 0x344,
SATA_IFSTAT_OFS = 0x34c,
VENDOR_UNIQUE_FIS_OFS = 0x35c,
+
FIS_CFG_OFS = 0x360,
+ FIS_CFG_SINGLE_SYNC = (1 << 16), /* SYNC on DMA activation */
+
MV5_PHY_MODE = 0x74,
MV5_LT_MODE = 0x30,
MV5_PHY_CTL = 0x0C,
@@ -616,10 +622,10 @@
.port_ops = &mv_iie_ops,
},
{ /* chip_soc */
- .flags = MV_COMMON_FLAGS | MV_FLAG_SOC,
- .pio_mask = 0x1f, /* pio0-4 */
- .udma_mask = ATA_UDMA6,
- .port_ops = &mv_iie_ops,
+ .flags = MV_COMMON_FLAGS | MV_FLAG_SOC,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &mv_iie_ops,
},
};
@@ -1377,7 +1383,8 @@
if ((qc->tf.protocol != ATA_PROT_DMA) &&
(qc->tf.protocol != ATA_PROT_NCQ)) {
- /* We're about to send a non-EDMA capable command to the
+ /*
+ * We're about to send a non-EDMA capable command to the
* port. Turn off EDMA so there won't be problems accessing
* shadow block, etc registers.
*/
@@ -2293,14 +2300,13 @@
/* Workaround for errata FEr SATA#10 (part 2) */
do {
- const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
+ const unsigned long *timing =
+ sata_ehc_deb_timing(&link->eh_context);
- rc = sata_link_hardreset(link, timing, deadline + extra, &online, NULL);
- if (rc) {
- ata_link_printk(link, KERN_ERR,
- "COMRESET failed (errno=%d)\n", rc);
+ rc = sata_link_hardreset(link, timing, deadline + extra,
+ &online, NULL);
+ if (rc)
return rc;
- }
sata_scr_read(link, SCR_STATUS, &sstatus);
if (!IS_GEN_I(hpriv) && ++attempts >= 5 && sstatus == 0x121) {
/* Force 1.5gb/s link speed and try again */
@@ -2310,7 +2316,7 @@
}
} while (sstatus != 0x0 && sstatus != 0x113 && sstatus != 0x123);
- return online ? -EAGAIN : rc;
+ return rc;
}
static void mv_eh_freeze(struct ata_port *ap)
@@ -2975,7 +2981,7 @@
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
MODULE_VERSION(DRV_VERSION);
-MODULE_ALIAS("platform:sata_mv");
+MODULE_ALIAS("platform:" DRV_NAME);
#ifdef CONFIG_PCI
module_param(msi, int, 0444);
--
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