piix: ICH7 MWDMA1 errata
Based on libata commit c611bed7.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index b59d04c..1892e81 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -331,7 +331,7 @@
.udma_mask = udma, \
}
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
{ \
.name = DRV_NAME, \
.init_chipset = init_chipset_ich, \
@@ -340,7 +340,7 @@
.port_ops = &ich_port_ops, \
.pio_mask = ATA_PIO4, \
.swdma_mask = ATA_SWDMA2_ONLY, \
- .mwdma_mask = ATA_MWDMA12_ONLY, \
+ .mwdma_mask = mwdma, \
.udma_mask = udma, \
}
@@ -362,13 +362,15 @@
/* 2: PIIX4 */
DECLARE_PIIX_DEV(ATA_UDMA2),
/* 3: ICH0 */
- DECLARE_ICH_DEV(ATA_UDMA2),
+ DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
/* 4: ICH */
- DECLARE_ICH_DEV(ATA_UDMA4),
+ DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
/* 5: PIIX4 */
DECLARE_PIIX_DEV(ATA_UDMA4),
- /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
- DECLARE_ICH_DEV(ATA_UDMA5),
+ /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+ DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+ /* 7: ICH7/7-R, no MWDMA1 */
+ DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
};
/**
@@ -438,9 +440,9 @@
#endif
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2), 6 },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19), 6 },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 6 },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21), 7 },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1), 6 },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 6 },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18), 7 },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6), 6 },
{ 0, },
};