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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-18 12:07:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-18 12:07:25 -0700
commitdf89f1ba971b3df2b7e1bc46ca7ce867539186fa (patch)
tree85a3ec9204bb7147e10545b1563ce5a2a0dd173e
parent62f2730a11b6fbd6ac274dcf1bc8251abe8d2205 (diff)
parent15da90b516e9da92cc1d90001e640fd6707d0e27 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: cs5536: define dma_sff_read_status() method ide: fix barriers support ide: Remove void casts hpt366: use ATA_DMA_* constants hpt366: fix HPT370 DMA timeouts
-rw-r--r--drivers/ide/cs5536.c1
-rw-r--r--drivers/ide/hpt366.c14
-rw-r--r--drivers/ide/ide-io.c11
-rw-r--r--drivers/ide/pmac.c2
4 files changed, 17 insertions, 11 deletions
diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c
index 353a35bbba6..0332a95eefd 100644
--- a/drivers/ide/cs5536.c
+++ b/drivers/ide/cs5536.c
@@ -236,6 +236,7 @@ static const struct ide_dma_ops cs5536_dma_ops = {
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
+ .dma_sff_read_status = ide_dma_sff_read_status,
};
static const struct ide_port_info cs5536_info = {
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index a0eb87f5913..0feb66c720e 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -3,7 +3,7 @@
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
* Portions Copyright (C) 2003 Red Hat Inc
* Portions Copyright (C) 2007 Bartlomiej Zolnierkiewicz
- * Portions Copyright (C) 2005-2008 MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2009 MontaVista Software, Inc.
*
* Thanks to HighPoint Technologies for their assistance, and hardware.
* Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
@@ -114,6 +114,8 @@
* the register setting lists into the table indexed by the clock selected
* - set the correct hwif->ultra_mask for each individual chip
* - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards
+ * - stop resetting HPT370's state machine before each DMA transfer as that has
+ * caused more harm than good
* Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com>
*/
@@ -133,7 +135,7 @@
#define DRV_NAME "hpt366"
/* various tuning parameters */
-#define HPT_RESET_STATE_ENGINE
+#undef HPT_RESET_STATE_ENGINE
#undef HPT_DELAY_INTERRUPT
static const char *quirk_drives[] = {
@@ -808,7 +810,7 @@ static void hpt370_irq_timeout(ide_drive_t *drive)
/* get DMA command mode */
dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
/* stop DMA */
- outb(dma_cmd & ~0x1, hwif->dma_base + ATA_DMA_CMD);
+ outb(dma_cmd & ~ATA_DMA_START, hwif->dma_base + ATA_DMA_CMD);
hpt370_clear_engine(drive);
}
@@ -825,11 +827,11 @@ static int hpt370_dma_end(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
- if (dma_stat & 0x01) {
+ if (dma_stat & ATA_DMA_ACTIVE) {
/* wait a little */
udelay(20);
dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
- if (dma_stat & 0x01)
+ if (dma_stat & ATA_DMA_ACTIVE)
hpt370_irq_timeout(drive);
}
return ide_dma_end(drive);
@@ -851,7 +853,7 @@ static int hpt374_dma_test_irq(ide_drive_t *drive)
dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
/* return 1 if INTR asserted */
- if (dma_stat & 4)
+ if (dma_stat & ATA_DMA_INTR)
return 1;
return 0;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 2ae02b8d7f8..35dc38d3b2c 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -102,11 +102,14 @@ void ide_complete_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat, u8 err)
drive->dev_flags |= IDE_DFLAG_PARKED;
}
- if (rq && rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
- memcpy(rq->special, cmd, sizeof(*cmd));
+ if (rq && rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
+ struct ide_cmd *orig_cmd = rq->special;
- if (cmd->tf_flags & IDE_TFLAG_DYN)
- kfree(cmd);
+ if (cmd->tf_flags & IDE_TFLAG_DYN)
+ kfree(orig_cmd);
+ else
+ memcpy(orig_cmd, cmd, sizeof(*cmd));
+ }
}
/* obsolete, blk_rq_bytes() should be used instead */
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 052b9bf1f8f..f76e4e6b408 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1682,7 +1682,7 @@ static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
* The +2 is +1 for the stop command and +1 to allow for
* aligning the start address to a multiple of 16 bytes.
*/
- pmif->dma_table_cpu = (struct dbdma_cmd*)pci_alloc_consistent(
+ pmif->dma_table_cpu = pci_alloc_consistent(
dev,
(MAX_DCMDS + 2) * sizeof(struct dbdma_cmd),
&hwif->dmatable_dma);