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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-20 10:11:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-20 10:11:11 -0700
commite6423407d01168f7760cdee7270d9f51d1240301 (patch)
tree979795cfa8f6946238ab31f544159142f3e7df93 /drivers/ide/buddha.c
parent7f8189068726492950bf1a2dcfd9b51314560abf (diff)
parent39c58f37a10198054c656c28202fb1e6d22fd505 (diff)
Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (34 commits) ide-cd: prevent null pointer deref via cdrom_newpc_intr ide: BUG() on unknown requests ide: filter out invalid DMA xfer mode changes in HDIO_DRIVE_CMD ioctl handler ide: do not access ide_drive_t 'drive_data' field directly sl82c105: implement test_irq() method siimage: implement test_irq() method pdc202xx_old: implement test_irq() method (take 2) cmd64x: implement test_irq() method cmd640: implement test_irq() method ide: move ack_intr() method into 'struct ide_port_ops' (take 2) ide: move IRQ clearing from ack_intr() method to clear_irq() method (take 2) siimage: use ide_dma_test_irq() (take 2) cmd64x: implement clear_irq() method (take 2) ide: call clear_irq() method in ide_timer_expiry() sgiioc4: coding style cleanup ide: don't enable IORDY at a probe time ide: IORDY handling fixes ata: add ata_id_pio_need_iordy() helper (v2) ide-tape: fix build issue ide: unify interrupt reason checking ...
Diffstat (limited to 'drivers/ide/buddha.c')
-rw-r--r--drivers/ide/buddha.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c
index e3c6a591330..ab4f169d083 100644
--- a/drivers/ide/buddha.c
+++ b/drivers/ide/buddha.c
@@ -99,7 +99,7 @@ static const char *buddha_board_name[] = { "Buddha", "Catweasel", "X-Surf" };
* Check and acknowledge the interrupt status
*/
-static int buddha_ack_intr(ide_hwif_t *hwif)
+static int buddha_test_irq(ide_hwif_t *hwif)
{
unsigned char ch;
@@ -109,21 +109,16 @@ static int buddha_ack_intr(ide_hwif_t *hwif)
return 1;
}
-static int xsurf_ack_intr(ide_hwif_t *hwif)
+static void xsurf_clear_irq(ide_drive_t *drive)
{
- unsigned char ch;
-
- ch = z_readb(hwif->io_ports.irq_addr);
- /* X-Surf needs a 0 written to IRQ register to ensure ISA bit A11 stays at 0 */
- z_writeb(0, hwif->io_ports.irq_addr);
- if (!(ch & 0x80))
- return 0;
- return 1;
+ /*
+ * X-Surf needs 0 written to IRQ register to ensure ISA bit A11 stays at 0
+ */
+ z_writeb(0, drive->hwif->io_ports.irq_addr);
}
static void __init buddha_setup_ports(struct ide_hw *hw, unsigned long base,
- unsigned long ctl, unsigned long irq_port,
- ide_ack_intr_t *ack_intr)
+ unsigned long ctl, unsigned long irq_port)
{
int i;
@@ -138,10 +133,19 @@ static void __init buddha_setup_ports(struct ide_hw *hw, unsigned long base,
hw->io_ports.irq_addr = irq_port;
hw->irq = IRQ_AMIGA_PORTS;
- hw->ack_intr = ack_intr;
}
+static const struct ide_port_ops buddha_port_ops = {
+ .test_irq = buddha_test_irq,
+};
+
+static const struct ide_port_ops xsurf_port_ops = {
+ .clear_irq = xsurf_clear_irq,
+ .test_irq = buddha_test_irq,
+};
+
static const struct ide_port_info buddha_port_info = {
+ .port_ops = &buddha_port_ops,
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
.chipset = ide_generic,
@@ -161,6 +165,7 @@ static int __init buddha_init(void)
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
unsigned long board;
struct ide_hw hw[MAX_NUM_HWIFS], *hws[MAX_NUM_HWIFS];
+ struct ide_port_info d = buddha_port_info;
if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) {
buddha_num_hwifs = BUDDHA_NUM_HWIFS;
@@ -171,6 +176,7 @@ static int __init buddha_init(void)
} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF) {
buddha_num_hwifs = XSURF_NUM_HWIFS;
type=BOARD_XSURF;
+ d.port_ops = &xsurf_port_ops;
} else
continue;
@@ -203,28 +209,24 @@ fail_base2:
for (i = 0; i < buddha_num_hwifs; i++) {
unsigned long base, ctl, irq_port;
- ide_ack_intr_t *ack_intr;
if (type != BOARD_XSURF) {
base = buddha_board + buddha_bases[i];
ctl = base + BUDDHA_CONTROL;
irq_port = buddha_board + buddha_irqports[i];
- ack_intr = buddha_ack_intr;
} else {
base = buddha_board + xsurf_bases[i];
/* X-Surf has no CS1* (Control/AltStat) */
ctl = 0;
irq_port = buddha_board + xsurf_irqports[i];
- ack_intr = xsurf_ack_intr;
}
- buddha_setup_ports(&hw[i], base, ctl, irq_port,
- ack_intr);
+ buddha_setup_ports(&hw[i], base, ctl, irq_port);
hws[i] = &hw[i];
}
- ide_host_add(&buddha_port_info, hws, i, NULL);
+ ide_host_add(&d, hws, i, NULL);
}
return 0;