libata: disable a disk via libata.force params

[pandora-kernel.git] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c04ad68..72bbb5e 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1598,6 +1598,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
        qc->tf = *tf;
        if (cdb)
                memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+       /* some SATA bridges need us to indicate data xfer direction */
+       if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+           dma_dir == DMA_FROM_DEVICE)
+               qc->tf.feature |= ATAPI_DMADIR;
+
        qc->flags |= ATA_QCFLAG_RESULT_TF;
        qc->dma_dir = dma_dir;
        if (dma_dir != DMA_NONE) {
@@ -2401,6 +2407,9 @@ int ata_dev_configure(struct ata_device *dev)
                dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
                                         dev->max_sectors);
 
+       if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48)
+               dev->max_sectors = ATA_MAX_SECTORS_LBA48;
+
        if (ap->ops->dev_config)
                ap->ops->dev_config(dev);
 
@@ -2529,6 +2538,7 @@ int ata_bus_probe(struct ata_port *ap)
                 * bus as we may be talking too fast.
                 */
                dev->pio_mode = XFER_PIO_0;
+               dev->dma_mode = 0xff;
 
                /* If the controller has a pio mode setup function
                 * then use it to set the chipset to rights. Don't
@@ -4056,6 +4066,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        /* Weird ATAPI devices */
        { "TORiSAN DVD-ROM DRD-N216", NULL,     ATA_HORKAGE_MAX_SEC_128 },
        { "QUANTUM DAT    DAT72-000", NULL,     ATA_HORKAGE_ATAPI_MOD16_DMA },
+       { "Slimtype DVD A  DS8A8SH", NULL,      ATA_HORKAGE_MAX_SEC_LBA48 },
+       { "Slimtype DVD A  DS8A9SH", NULL,      ATA_HORKAGE_MAX_SEC_LBA48 },
 
        /* Devices we expect to fail diagnostics */
 
@@ -4085,6 +4097,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "ST3320[68]13AS",     "SD1[5-9]",     ATA_HORKAGE_NONCQ |
                                                ATA_HORKAGE_FIRMWARE_WARN },
 
+       /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */
+       { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA },
+
        /* Blacklist entries taken from Silicon Image 3124/3132
           Windows driver .inf file - also several Linux problem reports */
        { "HTS541060G9SA00",    "MB3OC60D",     ATA_HORKAGE_NONCQ, },
@@ -4118,6 +4133,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 
        /* Devices which aren't very happy with higher link speeds */
        { "WD My Book",                 NULL,   ATA_HORKAGE_1_5_GBPS, },
+       { "Seagate FreeAgent GoFlex",   NULL,   ATA_HORKAGE_1_5_GBPS, },
 
        /*
         * Devices which choke on SETXFER.  Applies only if both the
@@ -6315,6 +6331,7 @@ static int __init ata_parse_force_one(char **cur,
                { "nohrst",     .lflags         = ATA_LFLAG_NO_HRST },
                { "nosrst",     .lflags         = ATA_LFLAG_NO_SRST },
                { "norst",      .lflags         = ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST },
+               { "disable",    .horkage_on     = ATA_HORKAGE_DISABLE },
        };
        char *start = *cur, *p = *cur;
        char *id, *val, *endp;