ide: add ->dma_clear method and remove ->dma_timeout one
All custom ->dma_timeout implementations call the generic one thus it is
possible to have only an optional method for resetting DMA engine instead:
* Add ->dma_clear method and convert hpt366, pdc202xx_old and sl82c105
host drivers to use it.
* Always use ide_dma_timeout() in ide_dma_timeout_retry() and remove
->dma_timeout method.
* Make ide_dma_timeout() static.
There should be no functional changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
index d516168..d3faf0b 100644
--- a/drivers/ide/alim15x3.c
+++ b/drivers/ide/alim15x3.c
@@ -509,7 +509,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index d3a9d6c..0c08c5e 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -353,7 +353,6 @@
.dma_end = auide_dma_end,
.dma_test_irq = auide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
};
static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index bf0e3f4..f0a49d2 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -384,7 +384,6 @@
.dma_test_irq = cmd64x_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -396,7 +395,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -408,7 +406,6 @@
.dma_test_irq = cmd648_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c
index d5dcf48..353a35b 100644
--- a/drivers/ide/cs5536.c
+++ b/drivers/ide/cs5536.c
@@ -236,7 +236,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
};
static const struct ide_port_info cs5536_info = {
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index dbaf184..a0eb87f 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -835,12 +835,6 @@
return ide_dma_end(drive);
}
-static void hpt370_dma_timeout(ide_drive_t *drive)
-{
- hpt370_irq_timeout(drive);
- ide_dma_timeout(drive);
-}
-
/* returns 1 if DMA IRQ issued, 0 otherwise */
static int hpt374_dma_test_irq(ide_drive_t *drive)
{
@@ -1423,7 +1417,6 @@
.dma_test_irq = hpt374_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -1435,7 +1428,7 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = hpt370_dma_timeout,
+ .dma_clear = hpt370_irq_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -1447,7 +1440,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = hpt366_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 51ce404..f069f12 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -377,7 +377,6 @@
.dma_start = icside_dma_start,
.dma_end = icside_dma_end,
.dma_test_irq = icside_dma_test_irq,
- .dma_timeout = ide_dma_timeout,
.dma_lost_irq = ide_dma_lost_irq,
};
#else
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 75a9ea2..7836d7e 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -338,9 +338,8 @@
.dma_start = ide_dma_start,
.dma_end = ide_dma_end,
.dma_test_irq = ide_dma_test_irq,
- .dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_lost_irq = ide_dma_lost_irq,
+ .dma_timer_expiry = ide_dma_sff_timer_expiry,
.dma_sff_read_status = ide_dma_sff_read_status,
};
EXPORT_SYMBOL_GPL(sff_dma_ops);
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 3dbf80c..dc5d9bc 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -460,7 +460,7 @@
}
EXPORT_SYMBOL_GPL(ide_dma_lost_irq);
-void ide_dma_timeout(ide_drive_t *drive)
+static void ide_dma_timeout(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
@@ -473,7 +473,6 @@
hwif->dma_ops->dma_end(drive);
}
-EXPORT_SYMBOL_GPL(ide_dma_timeout);
/*
* un-busy the port etc, and clear any pending DMA status. we want to
@@ -483,6 +482,7 @@
ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_dma_ops *dma_ops = hwif->dma_ops;
struct request *rq;
ide_startstop_t ret = ide_stopped;
@@ -492,12 +492,14 @@
if (error < 0) {
printk(KERN_WARNING "%s: DMA timeout error\n", drive->name);
- (void)hwif->dma_ops->dma_end(drive);
+ (void)dma_ops->dma_end(drive);
ret = ide_error(drive, "dma timeout error",
hwif->tp_ops->read_status(hwif));
} else {
printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name);
- hwif->dma_ops->dma_timeout(drive);
+ if (dma_ops->dma_clear)
+ dma_ops->dma_clear(drive);
+ ide_dma_timeout(drive);
}
/*
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 0d4ac65..51aa745 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -511,9 +511,8 @@
.dma_start = it821x_dma_start,
.dma_end = it821x_dma_end,
.dma_test_irq = ide_dma_test_irq,
- .dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_lost_irq = ide_dma_lost_irq,
+ .dma_timer_expiry = ide_dma_sff_timer_expiry,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/ns87415.c b/drivers/ide/ns87415.c
index 7b65fe5..9039a37 100644
--- a/drivers/ide/ns87415.c
+++ b/drivers/ide/ns87415.c
@@ -306,7 +306,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = superio_dma_sff_read_status,
};
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index f7536d1..248a54b 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -258,12 +258,6 @@
ide_dma_lost_irq(drive);
}
-static void pdc202xx_dma_timeout(ide_drive_t *drive)
-{
- pdc202xx_reset(drive);
- ide_dma_timeout(drive);
-}
-
static int init_chipset_pdc202xx(struct pci_dev *dev)
{
unsigned long dmabase = pci_resource_start(dev, 4);
@@ -336,7 +330,7 @@
.dma_test_irq = pdc202xx_dma_test_irq,
.dma_lost_irq = pdc202xx_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = pdc202xx_dma_timeout,
+ .dma_clear = pdc202xx_reset,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -348,7 +342,7 @@
.dma_test_irq = pdc202xx_dma_test_irq,
.dma_lost_irq = pdc202xx_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = pdc202xx_dma_timeout,
+ .dma_clear = pdc202xx_reset,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 2bfcfed..d15cc46a 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1650,7 +1650,6 @@
.dma_start = pmac_ide_dma_start,
.dma_end = pmac_ide_dma_end,
.dma_test_irq = pmac_ide_dma_test_irq,
- .dma_timeout = ide_dma_timeout,
.dma_lost_irq = pmac_ide_dma_lost_irq,
};
diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c
index 1c3a829..371549d 100644
--- a/drivers/ide/sc1200.c
+++ b/drivers/ide/sc1200.c
@@ -291,7 +291,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 0cc137c..64534d1 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -872,7 +872,6 @@
.dma_end = scc_dma_end,
.dma_test_irq = scc_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
.dma_sff_read_status = scc_dma_sff_read_status,
};
diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index b12de83..44df0c7 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -533,7 +533,6 @@
.dma_end = sgiioc4_dma_end,
.dma_test_irq = sgiioc4_dma_test_irq,
.dma_lost_irq = sgiioc4_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
};
static const struct ide_port_info sgiioc4_port_info __devinitconst = {
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index 075cb12..e4973cd 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -715,7 +715,6 @@
.dma_end = ide_dma_end,
.dma_test_irq = siimage_dma_test_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_lost_irq = ide_dma_lost_irq,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index d25137b..d6f8977 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -189,14 +189,13 @@
ide_dma_start(drive);
}
-static void sl82c105_dma_timeout(ide_drive_t *drive)
+static void sl82c105_dma_clear(ide_drive_t *drive)
{
struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
- DBG(("sl82c105_dma_timeout(drive:%s)\n", drive->name));
+ DBG(("sl82c105_dma_clear(drive:%s)\n", drive->name));
sl82c105_reset_host(dev);
- ide_dma_timeout(drive);
}
static int sl82c105_dma_end(ide_drive_t *drive)
@@ -298,7 +297,7 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = sl82c105_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = sl82c105_dma_timeout,
+ .dma_clear = sl82c105_dma_clear,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
index 427d4b3..b4cf42d 100644
--- a/drivers/ide/tc86c001.c
+++ b/drivers/ide/tc86c001.c
@@ -187,7 +187,6 @@
.dma_test_irq = ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = ide_dma_sff_read_status,
};
diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c
index ed14968..d6a95082 100644
--- a/drivers/ide/trm290.c
+++ b/drivers/ide/trm290.c
@@ -314,7 +314,6 @@
.dma_end = trm290_dma_end,
.dma_test_irq = trm290_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
- .dma_timeout = ide_dma_timeout,
};
static const struct ide_port_info trm290_chipset __devinitdata = {
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index e0e0a80..53f9985 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -632,7 +632,6 @@
.dma_test_irq = tx4939ide_dma_test_irq,
.dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_timeout = ide_dma_timeout,
.dma_sff_read_status = tx4939ide_dma_sff_read_status,
};
diff --git a/include/linux/ide.h b/include/linux/ide.h
index cb501bf..d3035f2 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -716,8 +716,9 @@
int (*dma_end)(struct ide_drive_s *);
int (*dma_test_irq)(struct ide_drive_s *);
void (*dma_lost_irq)(struct ide_drive_s *);
+ /* below ones are optional */
int (*dma_timer_expiry)(struct ide_drive_s *);
- void (*dma_timeout)(struct ide_drive_s *);
+ void (*dma_clear)(struct ide_drive_s *);
/*
* The following method is optional and only required to be
* implemented for the SFF-8038i compatible controllers.
@@ -1461,7 +1462,6 @@
#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
void ide_dma_lost_irq(ide_drive_t *);
-void ide_dma_timeout(ide_drive_t *);
ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int);
#else