ide: add IDE_HFLAG_LEGACY_IRQS host flag
Add IDE_HFLAG_LEGACY_IRQS host flag to tell ide_pci_setup_ports() to set
hwif->irq to legacy IRQ 14/15 (iff hwif->irq is not already set) and convert
atiixp, piix, serverworks, sis5513 and slc90e66 host drivers to use it.
While at it:
* In piix.c add IDE_HFLAGS_PIIX define and don't use ->init_hwif for MPIIX.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 18c181b..47e9580 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -172,9 +172,6 @@
u8 ch = hwif->channel;
struct pci_dev *pdev = hwif->pci_dev;
- if (!hwif->irq)
- hwif->irq = ch ? 15 : 14;
-
hwif->set_pio_mode = &atiixp_set_pio_mode;
hwif->set_dma_mode = &atiixp_set_dma_mode;
hwif->drives[0].autotune = 1;
@@ -200,7 +197,7 @@
.name = "ATIIXP",
.init_hwif = init_hwif_atiixp,
.enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
@@ -208,7 +205,8 @@
.name = "SB600_PATA",
.init_hwif = init_hwif_atiixp,
.enablebits = {{0x48,0x01,0x00}, {0x00,0x00,0x00}},
- .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_LEGACY_IRQS |
+ IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index bcdf8c1..2e29543 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -341,16 +341,6 @@
static void __devinit init_hwif_piix(ide_hwif_t *hwif)
{
-#ifndef CONFIG_IA64
- if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
-#endif /* CONFIG_IA64 */
-
- if (hwif->pci_dev->device == PCI_DEVICE_ID_INTEL_82371MX) {
- /* This is a painful system best to let it self tune for now */
- return;
- }
-
hwif->set_pio_mode = &piix_set_pio_mode;
hwif->set_dma_mode = &piix_set_dma_mode;
@@ -378,12 +368,18 @@
hwif->ide_dma_clear_irq = &piix_dma_clear_irq;
}
+#ifndef CONFIG_IA64
+ #define IDE_HFLAGS_PIIX (IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE)
+#else
+ #define IDE_HFLAGS_PIIX IDE_HFLAG_BOOTABLE
+#endif
+
#define DECLARE_PIIX_DEV(name_str, udma) \
{ \
.name = name_str, \
.init_hwif = init_hwif_piix, \
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
- .host_flags = IDE_HFLAG_BOOTABLE, \
+ .host_flags = IDE_HFLAGS_PIIX, \
.pio_mask = ATA_PIO4, \
.swdma_mask = ATA_SWDMA2_ONLY, \
.mwdma_mask = ATA_MWDMA12_ONLY, \
@@ -396,7 +392,7 @@
.init_chipset = init_chipset_ich, \
.init_hwif = init_hwif_ich, \
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
- .host_flags = IDE_HFLAG_BOOTABLE, \
+ .host_flags = IDE_HFLAGS_PIIX, \
.pio_mask = ATA_PIO4, \
.swdma_mask = ATA_SWDMA2_ONLY, \
.mwdma_mask = ATA_MWDMA12_ONLY, \
@@ -414,11 +410,11 @@
* of the bit 14 of the IDETIM register at offset 0x6c
*/
.name = "MPIIX",
- .init_hwif = init_hwif_piix,
.enablebits = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
.host_flags = IDE_HFLAG_ISA_PORTS | IDE_HFLAG_NO_DMA |
- IDE_HFLAG_BOOTABLE,
+ IDE_HFLAGS_PIIX,
.pio_mask = ATA_PIO4,
+ /* This is a painful system best to let it self tune for now */
},
/* 3 */ DECLARE_PIIX_DEV("PIIX3", 0x00), /* no udma */
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index c506b8b..6f95cd2 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -360,9 +360,6 @@
static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
{
- if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
-
hwif->set_pio_mode = &svwks_set_pio_mode;
hwif->set_dma_mode = &svwks_set_dma_mode;
hwif->udma_filter = &svwks_udma_filter;
@@ -384,7 +381,7 @@
.name = "SvrWks OSB4",
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = 0x00, /* UDMA is problematic on OSB4 */
@@ -392,7 +389,7 @@
.name = "SvrWks CSB5",
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
@@ -400,7 +397,7 @@
.name = "SvrWks CSB6",
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
@@ -408,7 +405,8 @@
.name = "SvrWks CSB6",
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_SINGLE |
+ IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
@@ -416,7 +414,8 @@
.name = "SvrWks HT1000",
.init_chipset = init_chipset_svwks,
.init_hwif = init_hwif_svwks,
- .host_flags = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_SINGLE |
+ IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA5,
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index d38b203..674a5bb 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -564,9 +564,6 @@
{
u8 udma_rates[] = { 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f };
- if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
-
hwif->set_pio_mode = &sis_set_pio_mode;
hwif->set_dma_mode = &sis_set_dma_mode;
@@ -590,7 +587,8 @@
.init_chipset = init_chipset_sis5513,
.init_hwif = init_hwif_sis5513,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
- .host_flags = IDE_HFLAG_NO_AUTODMA | IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_NO_AUTODMA |
+ IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
};
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 416fbab..d85a48e 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -133,9 +133,6 @@
u8 reg47 = 0;
u8 mask = hwif->channel ? 0x01 : 0x02; /* bit0:Primary */
- if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
-
hwif->set_pio_mode = &slc90e66_set_pio_mode;
hwif->set_dma_mode = &slc90e66_set_dma_mode;
@@ -156,7 +153,7 @@
.name = "SLC90E66",
.init_hwif = init_hwif_slc90e66,
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}},
- .host_flags = IDE_HFLAG_BOOTABLE,
+ .host_flags = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
.swdma_mask = ATA_SWDMA2_ONLY,
.mwdma_mask = ATA_MWDMA12_ONLY,
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index aae4806f..7989f52 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -562,6 +562,9 @@
if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0)
ide_hwif_setup_dma(dev, d, hwif);
+ if ((d->host_flags & IDE_HFLAG_LEGACY_IRQS) && hwif->irq == 0)
+ hwif->irq = port ? 15 : 14;
+
hwif->host_flags = d->host_flags;
hwif->pio_mask = d->pio_mask;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 659b60a..19db0a4 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1259,6 +1259,8 @@
IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19),
/* serialize ports */
IDE_HFLAG_SERIALIZE = (1 << 20),
+ /* use legacy IRQs */
+ IDE_HFLAG_LEGACY_IRQS = (1 << 21),
};
#ifdef CONFIG_BLK_DEV_OFFBOARD