Pull lameter-spinlock-optimization into release branch

[linux-2.6] / drivers / scsi / libata-core.c

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index fe1c72981f5a3f786af8be2cacdf6d1b3e69ca11..f4e7dcb6492bcdbfed7d9dced994caf44d24d38b 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1408,7 +1408,9 @@ void __sata_phy_reset(struct ata_port *ap)
        if (ap->flags & ATA_FLAG_SATA_RESET) {
                /* issue phy wake/reset */
                scr_write_flush(ap, SCR_CONTROL, 0x301);
-               udelay(400);                    /* FIXME: a guess */
+               /* Couldn't find anything in SATA I/II specs, but
+                * AHCI-1.1 10.4.2 says at least 1 ms. */
+               mdelay(1);
        }
        scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */
 
@@ -1920,6 +1922,7 @@ static const char * ata_dma_blacklist [] = {
        "HITACHI CDR-8335",
        "HITACHI CDR-8435",
        "Toshiba CD-ROM XM-6202B",
+       "TOSHIBA CD-ROM XM-1702BC",
        "CD-532E-A",
        "E-IDE CD-ROM CR-840",
        "CD-ROM Drive/F5A",
@@ -1927,7 +1930,6 @@ static const char * ata_dma_blacklist [] = {
        "SAMSUNG CD-ROM SC-148C",
        "SAMSUNG CD-ROM SC",
        "SanDisk SDP3B-64",
-       "SAMSUNG CD-ROM SN-124",
        "ATAPI CD-ROM DRIVE 40X MAXIMUM",
        "_NEC DV5800A",
 };
@@ -2266,19 +2268,6 @@ void ata_qc_prep(struct ata_queued_cmd *qc)
  *     spin_lock_irqsave(host_set lock)
  */
 
-
-
-/**
- *     ata_sg_init_one - Prepare a one-entry scatter-gather list.
- *     @qc:  Queued command
- *     @buf:  transfer buffer
- *     @buflen:  length of buf
- *
- *     Builds a single-entry scatter-gather list to initiate a
- *     transfer utilizing the specified buffer.
- *
- *     LOCKING:
- */
 void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
 {
        struct scatterlist *sg;
@@ -2310,18 +2299,6 @@ void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
  *     spin_lock_irqsave(host_set lock)
  */
 
-
-/**
- *     ata_sg_init - Assign a scatter gather list to a queued command
- *     @qc:  Queued command
- *     @sg:  Scatter-gather list
- *     @n_elem:  length of sg list
- *
- *     Attaches a scatter-gather list to a queued command.
- *
- *     LOCKING:
- */
-
 void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
                 unsigned int n_elem)
 {