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authorJeff Garzik <jeff@garzik.org>2007-12-01 16:18:56 -0500
committerJeff Garzik <jeff@garzik.org>2007-12-01 16:18:56 -0500
commitc99da91e7a12724127475a85cc7a38214b3504e2 (patch)
treede0eb3fe32ce58804457963fd133a53bb8fba5b8 /drivers/ide/ide-iops.c
parenta31e23e15cbb9734c5883a4a7f58d8712d303e0b (diff)
parent92d499d991ec4f5cbd00d6f33967eab9d3ee8d6c (diff)
downloadop-kernel-dev-c99da91e7a12724127475a85cc7a38214b3504e2.zip
op-kernel-dev-c99da91e7a12724127475a85cc7a38214b3504e2.tar.gz
Merge branch 'master' into upstream-fixes
Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e17a9ee..5c32561 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -303,9 +303,6 @@ void default_hwif_transport(ide_hwif_t *hwif)
hwif->atapi_output_bytes = atapi_output_bytes;
}
-/*
- * Beginning of Taskfile OPCODE Library and feature sets.
- */
void ide_fix_driveid (struct hd_driveid *id)
{
#ifndef __LITTLE_ENDIAN
@@ -592,6 +589,9 @@ EXPORT_SYMBOL_GPL(ide_in_drive_list);
static const struct drive_list_entry ivb_list[] = {
{ "QUANTUM FIREBALLlct10 05" , "A03.0900" },
{ "TSSTcorp CDDVDW SH-S202J" , "SB00" },
+ { "TSSTcorp CDDVDW SH-S202J" , "SB01" },
+ { "TSSTcorp CDDVDW SH-S202N" , "SB00" },
+ { "TSSTcorp CDDVDW SH-S202N" , "SB01" },
{ NULL , NULL }
};
@@ -756,7 +756,7 @@ int ide_driveid_update(ide_drive_t *drive)
int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
{
ide_hwif_t *hwif = drive->hwif;
- int error;
+ int error = 0;
u8 stat;
// while (HWGROUP(drive)->busy)
@@ -767,6 +767,10 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
hwif->dma_host_off(drive);
#endif
+ /* Skip setting PIO flow-control modes on pre-EIDE drives */
+ if ((speed & 0xf8) == XFER_PIO_0 && !(drive->id->capability & 0x08))
+ goto skip;
+
/*
* Don't use ide_wait_cmd here - it will
* attempt to set_geometry and recalibrate,
@@ -814,6 +818,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
drive->id->dma_mword &= ~0x0F00;
drive->id->dma_1word &= ~0x0F00;
+ skip:
#ifdef CONFIG_BLK_DEV_IDEDMA
if (speed >= XFER_SW_DMA_0)
hwif->dma_host_on(drive);
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