ide: merge ->dma_host_{on,off} methods into ->dma_host_set method
Merge ->dma_host_{on,off} methods into ->dma_host_set method
which takes 'int on' argument.
There should be no functionality 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/arm/icside.c b/drivers/ide/arm/icside.c
index 3a8402b..8a5c720 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -287,11 +287,7 @@
ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data);
}
-static void icside_dma_host_off(ide_drive_t *drive)
-{
-}
-
-static void icside_dma_host_on(ide_drive_t *drive)
+static void icside_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -410,8 +406,7 @@
hwif->dmatable_dma = 0;
hwif->set_dma_mode = icside_set_dma_mode;
- hwif->dma_host_off = icside_dma_host_off;
- hwif->dma_host_on = icside_dma_host_on;
+ hwif->dma_host_set = icside_dma_host_set;
hwif->dma_setup = icside_dma_setup;
hwif->dma_exec_cmd = icside_dma_exec_cmd;
hwif->dma_start = icside_dma_start;
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index b0cd032..dcebc02 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -674,11 +674,7 @@
static void cris_atapi_input_bytes(ide_drive_t *drive, void *, unsigned int);
static void cris_atapi_output_bytes(ide_drive_t *drive, void *, unsigned int);
-static void cris_dma_host_off(ide_drive_t *drive)
-{
-}
-
-static void cris_dma_host_on(ide_drive_t *drive)
+static void cris_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -792,6 +788,7 @@
hwif->ata_output_data = &cris_ide_output_data;
hwif->atapi_input_bytes = &cris_atapi_input_bytes;
hwif->atapi_output_bytes = &cris_atapi_output_bytes;
+ hwif->dma_host_set = &cris_dma_host_set;
hwif->ide_dma_end = &cris_dma_end;
hwif->dma_setup = &cris_dma_setup;
hwif->dma_exec_cmd = &cris_dma_exec_cmd;
@@ -802,8 +799,6 @@
hwif->OUTBSYNC = &cris_ide_outbsync;
hwif->INB = &cris_ide_inb;
hwif->INW = &cris_ide_inw;
- hwif->dma_host_off = &cris_dma_host_off;
- hwif->dma_host_on = &cris_dma_host_on;
hwif->cbl = ATA_CBL_PATA40;
hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
hwif->pio_mask = ATA_PIO4,
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 780911e..c9648b1 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -408,23 +408,28 @@
}
/**
- * ide_dma_host_off - Generic DMA kill
+ * ide_dma_host_set - Enable/disable DMA on a host
* @drive: drive to control
*
- * Perform the generic IDE controller DMA off operation. This
- * works for most IDE bus mastering controllers
+ * Enable/disable DMA on an IDE controller following generic
+ * bus-mastering IDE controller behaviour.
*/
-void ide_dma_host_off(ide_drive_t *drive)
+void ide_dma_host_set(ide_drive_t *drive, int on)
{
ide_hwif_t *hwif = HWIF(drive);
u8 unit = (drive->select.b.unit & 0x01);
u8 dma_stat = hwif->INB(hwif->dma_status);
- hwif->OUTB((dma_stat & ~(1<<(5+unit))), hwif->dma_status);
+ if (on)
+ dma_stat |= (1 << (5 + unit));
+ else
+ dma_stat &= ~(1 << (5 + unit));
+
+ hwif->OUTB(dma_stat, hwif->dma_status);
}
-EXPORT_SYMBOL(ide_dma_host_off);
+EXPORT_SYMBOL_GPL(ide_dma_host_set);
#endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
/**
@@ -439,7 +444,7 @@
drive->using_dma = 0;
ide_toggle_bounce(drive, 0);
- drive->hwif->dma_host_off(drive);
+ drive->hwif->dma_host_set(drive, 0);
}
EXPORT_SYMBOL(ide_dma_off_quietly);
@@ -460,29 +465,6 @@
EXPORT_SYMBOL(ide_dma_off);
-#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
-/**
- * ide_dma_host_on - Enable DMA on a host
- * @drive: drive to enable for DMA
- *
- * Enable DMA on an IDE controller following generic bus mastering
- * IDE controller behaviour
- */
-
-void ide_dma_host_on(ide_drive_t *drive)
-{
- if (1) {
- ide_hwif_t *hwif = HWIF(drive);
- u8 unit = (drive->select.b.unit & 0x01);
- u8 dma_stat = hwif->INB(hwif->dma_status);
-
- hwif->OUTB((dma_stat|(1<<(5+unit))), hwif->dma_status);
- }
-}
-
-EXPORT_SYMBOL(ide_dma_host_on);
-#endif
-
/**
* ide_dma_on - Enable DMA on a device
* @drive: drive to enable DMA on
@@ -495,7 +477,7 @@
drive->using_dma = 1;
ide_toggle_bounce(drive, 1);
- drive->hwif->dma_host_on(drive);
+ drive->hwif->dma_host_set(drive, 1);
}
EXPORT_SYMBOL(ide_dma_on);
@@ -980,10 +962,8 @@
if (!(hwif->dma_prdtable))
hwif->dma_prdtable = (hwif->dma_base + 4);
- if (!hwif->dma_host_off)
- hwif->dma_host_off = &ide_dma_host_off;
- if (!hwif->dma_host_on)
- hwif->dma_host_on = &ide_dma_host_on;
+ if (!hwif->dma_host_set)
+ hwif->dma_host_set = &ide_dma_host_set;
if (!hwif->dma_setup)
hwif->dma_setup = &ide_dma_setup;
if (!hwif->dma_exec_cmd)
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index b5a7d25..e37b09c 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -219,7 +219,7 @@
* we could be smarter and check for current xfer_speed
* in struct drive etc...
*/
- if (drive->hwif->dma_host_on == NULL)
+ if (drive->hwif->dma_host_set == NULL)
break;
/*
* TODO: respect ->using_dma setting
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e30f67e..595a5ce 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -742,8 +742,8 @@
// msleep(50);
#ifdef CONFIG_BLK_DEV_IDEDMA
- if (hwif->dma_host_on) /* check if host supports DMA */
- hwif->dma_host_off(drive);
+ if (hwif->dma_host_set) /* check if host supports DMA */
+ hwif->dma_host_set(drive, 0);
#endif
/* Skip setting PIO flow-control modes on pre-EIDE drives */
@@ -801,8 +801,8 @@
#ifdef CONFIG_BLK_DEV_IDEDMA
if ((speed >= XFER_SW_DMA_0 || (hwif->host_flags & IDE_HFLAG_VDMA)) &&
drive->using_dma)
- hwif->dma_host_on(drive);
- else if (hwif->dma_host_on) /* check if host supports DMA */
+ hwif->dma_host_set(drive, 1);
+ else if (hwif->dma_host_set) /* check if host supports DMA */
ide_dma_off_quietly(drive);
#endif
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index b363a96..fa95e79 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -833,7 +833,7 @@
drive->nice1 = 1;
- if (hwif->dma_host_on)
+ if (hwif->dma_host_set)
ide_set_dma(drive);
}
}
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 095ff34..7819fbd 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -433,14 +433,13 @@
hwif->atapi_input_bytes = tmp_hwif->atapi_input_bytes;
hwif->atapi_output_bytes = tmp_hwif->atapi_output_bytes;
+ hwif->dma_host_set = tmp_hwif->dma_host_set;
hwif->dma_setup = tmp_hwif->dma_setup;
hwif->dma_exec_cmd = tmp_hwif->dma_exec_cmd;
hwif->dma_start = tmp_hwif->dma_start;
hwif->ide_dma_end = tmp_hwif->ide_dma_end;
hwif->ide_dma_test_irq = tmp_hwif->ide_dma_test_irq;
hwif->ide_dma_clear_irq = tmp_hwif->ide_dma_clear_irq;
- hwif->dma_host_on = tmp_hwif->dma_host_on;
- hwif->dma_host_off = tmp_hwif->dma_host_off;
hwif->dma_lost_irq = tmp_hwif->dma_lost_irq;
hwif->dma_timeout = tmp_hwif->dma_timeout;
@@ -834,7 +833,7 @@
if (!drive->id || !(drive->id->capability & 1))
goto out;
- if (hwif->dma_host_on == NULL)
+ if (hwif->dma_host_set == NULL)
goto out;
err = -EBUSY;
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 4dfdca4..27abff6 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -395,11 +395,7 @@
return 0;
}
-static void auide_dma_host_on(ide_drive_t *drive)
-{
-}
-
-static void auide_dma_host_off(ide_drive_t *drive)
+static void auide_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -674,13 +670,12 @@
hwif->mdma_filter = &auide_mdma_filter;
+ hwif->dma_host_set = &auide_dma_host_set;
hwif->dma_exec_cmd = &auide_dma_exec_cmd;
hwif->dma_start = &auide_dma_start;
hwif->ide_dma_end = &auide_dma_end;
hwif->dma_setup = &auide_dma_setup;
hwif->ide_dma_test_irq = &auide_dma_test_irq;
- hwif->dma_host_off = &auide_dma_host_off;
- hwif->dma_host_on = &auide_dma_host_on;
hwif->dma_lost_irq = &auide_dma_lost_irq;
#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
hwif->channel = 0;
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index 2bd52af..6ec00b8 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -107,18 +107,10 @@
* ATAPI is harder so disable it for now using IDE_HFLAG_NO_ATAPI_DMA
*/
-static void cs5520_dma_host_on(ide_drive_t *drive)
+static void cs5520_dma_host_set(ide_drive_t *drive, int on)
{
- drive->vdma = 1;
-
- ide_dma_host_on(drive);
-}
-
-static void cs5520_dma_host_off(ide_drive_t *drive)
-{
- drive->vdma = 0;
-
- ide_dma_host_off(drive);
+ drive->vdma = on;
+ ide_dma_host_set(drive, on);
}
static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
@@ -129,8 +121,7 @@
if (hwif->dma_base == 0)
return;
- hwif->dma_host_on = &cs5520_dma_host_on;
- hwif->dma_host_off = &cs5520_dma_host_off;
+ hwif->dma_host_set = &cs5520_dma_host_set;
}
#define DECLARE_CS_DEV(name_str) \
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 9303dfe..32fdf53 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -222,7 +222,7 @@
printk("SC1200: %s: changing (U)DMA mode\n", drive->name);
ide_dma_off_quietly(drive);
if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma)
- hwif->dma_host_on(drive);
+ hwif->dma_host_set(drive, 1);
return;
}
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 8c4e94b..9fb35c5 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -288,13 +288,10 @@
return sgiioc4_checkirq(HWIF(drive));
}
-static void sgiioc4_dma_host_on(ide_drive_t * drive)
+static void sgiioc4_dma_host_set(ide_drive_t *drive, int on)
{
-}
-
-static void sgiioc4_dma_host_off(ide_drive_t * drive)
-{
- sgiioc4_clearirq(drive);
+ if (!on)
+ sgiioc4_clearirq(drive);
}
static void
@@ -578,12 +575,11 @@
hwif->mwdma_mask = ATA_MWDMA2_ONLY;
+ hwif->dma_host_set = &sgiioc4_dma_host_set;
hwif->dma_setup = &sgiioc4_ide_dma_setup;
hwif->dma_start = &sgiioc4_ide_dma_start;
hwif->ide_dma_end = &sgiioc4_ide_dma_end;
hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
- hwif->dma_host_on = &sgiioc4_dma_host_on;
- hwif->dma_host_off = &sgiioc4_dma_host_off;
hwif->dma_lost_irq = &sgiioc4_dma_lost_irq;
hwif->dma_timeout = &ide_dma_timeout;
}
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index 0151d7f..04cd893 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -241,11 +241,7 @@
return (status == 0x00ff);
}
-static void trm290_dma_host_on(ide_drive_t *drive)
-{
-}
-
-static void trm290_dma_host_off(ide_drive_t *drive)
+static void trm290_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -289,8 +285,7 @@
ide_setup_dma(hwif, (hwif->config_data + 4) ^ (hwif->channel ? 0x0080 : 0x0000), 3);
- hwif->dma_host_off = &trm290_dma_host_off;
- hwif->dma_host_on = &trm290_dma_host_on;
+ hwif->dma_host_set = &trm290_dma_host_set;
hwif->dma_setup = &trm290_dma_setup;
hwif->dma_exec_cmd = &trm290_dma_exec_cmd;
hwif->dma_start = &trm290_dma_start;
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index ca99b69..6a4b0d4 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1698,11 +1698,7 @@
return 1;
}
-static void pmac_ide_dma_host_off(ide_drive_t *drive)
-{
-}
-
-static void pmac_ide_dma_host_on(ide_drive_t *drive)
+static void pmac_ide_dma_host_set(ide_drive_t *drive, int on)
{
}
@@ -1748,13 +1744,12 @@
return;
}
+ hwif->dma_host_set = &pmac_ide_dma_host_set;
hwif->dma_setup = &pmac_ide_dma_setup;
hwif->dma_exec_cmd = &pmac_ide_dma_exec_cmd;
hwif->dma_start = &pmac_ide_dma_start;
hwif->ide_dma_end = &pmac_ide_dma_end;
hwif->ide_dma_test_irq = &pmac_ide_dma_test_irq;
- hwif->dma_host_off = &pmac_ide_dma_host_off;
- hwif->dma_host_on = &pmac_ide_dma_host_on;
hwif->dma_timeout = &ide_dma_timeout;
hwif->dma_lost_irq = &pmac_ide_dma_lost_irq;
