[libata] pata_ali: Use IGN_SIMPLEX

Some ALi devices report simplex if they have been disabled and re-enabled, and
restoring the byte does not work. Ignore it - the needed supporting logic is
already present for the SATA ULi ports.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 751b7ea4816cf90e34f81d245b7f2378d938b3e4..fc9c5d6d7d80a45ddcda3cc777af2a16be925bd0 100644 (file)
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -497,14 +497,16 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        };
        /* Revision 0x20 added DMA */
        static const struct ata_port_info info_20 = {
-               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                       ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .port_ops = &ali_20_port_ops
        };
        /* Revision 0x20 with support logic added UDMA */
        static const struct ata_port_info info_20_udma = {
-               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                       ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .udma_mask = ATA_UDMA2,
@@ -512,7 +514,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        };
        /* Revision 0xC2 adds UDMA66 */
        static const struct ata_port_info info_c2 = {
-               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                       ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .udma_mask = ATA_UDMA4,
@@ -520,7 +523,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        };
        /* Revision 0xC3 is UDMA66 for now */
        static const struct ata_port_info info_c3 = {
-               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                       ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .udma_mask = ATA_UDMA4,
@@ -528,7 +532,8 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        };
        /* Revision 0xC4 is UDMA100 */
        static const struct ata_port_info info_c4 = {
-               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48,
+               .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48 |
+                                                       ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .udma_mask = ATA_UDMA5,
@@ -536,7 +541,7 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        };
        /* Revision 0xC5 is UDMA133 with LBA48 DMA */
        static const struct ata_port_info info_c5 = {
-               .flags = ATA_FLAG_SLAVE_POSS,
+               .flags = ATA_FLAG_SLAVE_POSS |  ATA_FLAG_IGN_SIMPLEX,
                .pio_mask = ATA_PIO4,
                .mwdma_mask = ATA_MWDMA2,
                .udma_mask = ATA_UDMA6,