summaryrefslogtreecommitdiffstats
path: root/drivers/ide/cmd640.c
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /drivers/ide/cmd640.c
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
downloadkernel-crypto-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.gz
kernel-crypto-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.xz
kernel-crypto-bbb20089a3275a19e475dbc21320c3742e3ca423.zip
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'drivers/ide/cmd640.c')
-rw-r--r--drivers/ide/cmd640.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c
index 8890276fef7..1a32d62ed86 100644
--- a/drivers/ide/cmd640.c
+++ b/drivers/ide/cmd640.c
@@ -153,6 +153,7 @@ static int cmd640_vlb;
#define ARTTIM23 0x57
#define ARTTIM23_DIS_RA2 0x04
#define ARTTIM23_DIS_RA3 0x08
+#define ARTTIM23_IDE23INTR 0x10
#define DRWTIM23 0x58
#define BRST 0x59
@@ -629,12 +630,24 @@ static void cmd640_init_dev(ide_drive_t *drive)
#endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
}
+static int cmd640_test_irq(ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ int irq_reg = hwif->channel ? ARTTIM23 : CFR;
+ u8 irq_stat, irq_mask = hwif->channel ? ARTTIM23_IDE23INTR :
+ CFR_IDE01INTR;
+
+ pci_read_config_byte(dev, irq_reg, &irq_stat);
+
+ return (irq_stat & irq_mask) ? 1 : 0;
+}
static const struct ide_port_ops cmd640_port_ops = {
.init_dev = cmd640_init_dev,
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
.set_pio_mode = cmd640_set_pio_mode,
#endif
+ .test_irq = cmd640_test_irq,
};
static int pci_conf1(void)
@@ -708,7 +721,7 @@ static int __init cmd640x_init(void)
int second_port_cmd640 = 0, rc;
const char *bus_type, *port2;
u8 b, cfr;
- hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[2], *hws[2];
if (cmd640_vlb && probe_for_cmd640_vlb()) {
bus_type = "VLB";
@@ -762,11 +775,9 @@ static int __init cmd640x_init(void)
ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
hw[0].irq = 14;
- hw[0].chipset = ide_cmd640;
ide_std_init_ports(&hw[1], 0x170, 0x376);
hw[1].irq = 15;
- hw[1].chipset = ide_cmd640;
printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x"
"\n", 'a' + cmd640_chip_version - 1, bus_type, cfr);
@@ -824,7 +835,8 @@ static int __init cmd640x_init(void)
cmd640_dump_regs();
#endif
- return ide_host_add(&cmd640_port_info, hws, NULL);
+ return ide_host_add(&cmd640_port_info, hws, second_port_cmd640 ? 2 : 1,
+ NULL);
}
module_param_named(probe_vlb, cmd640_vlb, bool, 0);