Move the common code for primary/seconary port setup from
ide_legacy_device_add() to ide_legacy_init_one().
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-probe.c | 58 ++++++++++++++++++++++++++++--------------------
1 file changed, 34 insertions(+), 24 deletions(-)
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1626,40 +1626,50 @@ void ide_port_scan(ide_hwif_t *hwif)
}
EXPORT_SYMBOL_GPL(ide_port_scan);
-int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
+static void ide_legacy_init_one(u8 *idx, hw_regs_t *hw, u8 port_no,
+ const struct ide_port_info *d,
+ unsigned long config)
{
- ide_hwif_t *hwif, *mate;
- u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];
-
- memset(&hw, 0, sizeof(hw));
-
- ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
- hw[0].irq = 14;
+ ide_hwif_t *hwif;
+ unsigned long base, ctl;
+ int irq;
+
+ if (port_no == 0) {
+ base = 0x1f0;
+ ctl = 0x3f6;
+ irq = 14;
+ } else {
+ base = 0x170;
+ ctl = 0x376;
+ irq = 15;
+ }
- ide_std_init_ports(&hw[1], 0x170, 0x376);
- hw[1].irq = 15;
+ ide_std_init_ports(hw, base, ctl);
+ hw->irq = irq;
hwif = ide_find_port_slot(d);
if (hwif) {
- u8 j = (d->host_flags & IDE_HFLAG_QD_2ND_PORT) ? 1 : 0;
-
- ide_init_port_hw(hwif, &hw[j]);
+ ide_init_port_hw(hwif, hw);
if (config)
hwif->config_data = config;
- idx[j] = hwif->index;
+ idx[port_no] = hwif->index;
}
+}
- if (hwif == NULL && (d->host_flags & IDE_HFLAG_SINGLE))
- return -ENOENT;
+int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
+{
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+ hw_regs_t hw[2];
- mate = ide_find_port_slot(d);
- if (mate) {
- ide_init_port_hw(mate, &hw[1]);
- if (config)
- mate->config_data = config;
- idx[1] = mate->index;
- }
+ memset(&hw, 0, sizeof(hw));
+
+ if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
+ ide_legacy_init_one(idx, &hw[0], 0, d, config);
+ ide_legacy_init_one(idx, &hw[1], 1, d, config);
+
+ if (idx[0] == 0xff && idx[1] == 0xff &&
+ (d->host_flags & IDE_HFLAG_SINGLE))
+ return -ENOENT;
ide_device_add(idx, d);
--
