[PATCH 2/4] ide: add ide_legacy_device_add() helper

From: Bartlomiej Zolnierkiewicz
Date: Wed Feb 27 2008 - 17:10:16 EST


Add ide_legacy_device_add() helper for use by legacy VLB host drivers
(+ convert them to use it).

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/ide-probe.c | 32 ++++++++++++++++++++++++++++++++
drivers/ide/legacy/ali14xx.c | 28 +---------------------------
drivers/ide/legacy/dtc2278.c | 27 +--------------------------
drivers/ide/legacy/ht6560b.c | 28 +---------------------------
drivers/ide/legacy/umc8672.c | 27 +--------------------------
include/linux/ide.h | 1 +
6 files changed, 37 insertions(+), 106 deletions(-)

Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1629,3 +1629,35 @@ void ide_port_scan(ide_hwif_t *hwif)
ide_proc_port_register_devices(hwif);
}
EXPORT_SYMBOL_GPL(ide_port_scan);
+
+int ide_legacy_device_add(const struct ide_port_info *d)
+{
+ 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_std_init_ports(&hw[1], 0x170, 0x376);
+ hw[1].irq = 15;
+
+ hwif = ide_find_port();
+ if (hwif) {
+ ide_init_port_hw(hwif, &hw[0]);
+ idx[0] = hwif->index;
+ }
+
+ mate = ide_find_port();
+ if (mate) {
+ ide_init_port_hw(mate, &hw[1]);
+ idx[1] = mate->index;
+ }
+
+ ide_device_add(idx, d);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ide_legacy_device_add);
Index: b/drivers/ide/legacy/ali14xx.c
===================================================================
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -205,10 +205,6 @@ static const struct ide_port_info ali14x

static int __init ali14xx_probe(void)
{
- ide_hwif_t *hwif, *mate;
- static u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];
-
printk(KERN_DEBUG "ali14xx: base=0x%03x, regOn=0x%02x.\n",
basePort, regOn);

@@ -218,29 +214,7 @@ static int __init ali14xx_probe(void)
return 1;
}

- memset(&hw, 0, sizeof(hw));
-
- ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
- hw[0].irq = 14;
-
- ide_std_init_ports(&hw[1], 0x170, 0x376);
- hw[1].irq = 15;
-
- hwif = ide_find_port();
- if (hwif) {
- ide_init_port_hw(hwif, &hw[0]);
- idx[0] = hwif->index;
- }
-
- mate = ide_find_port();
- if (mate) {
- ide_init_port_hw(mate, &hw[1]);
- idx[1] = mate->index;
- }
-
- ide_device_add(idx, &ali14xx_port_info);
-
- return 0;
+ return ide_legacy_device_add(&ali14xx_port_info);
}

int probe_ali14xx;
Index: b/drivers/ide/legacy/dtc2278.c
===================================================================
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -106,9 +106,6 @@ static const struct ide_port_info dtc227
static int __init dtc2278_probe(void)
{
unsigned long flags;
- ide_hwif_t *hwif, *mate;
- static u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];

local_irq_save(flags);
/*
@@ -128,29 +125,7 @@ static int __init dtc2278_probe(void)
#endif
local_irq_restore(flags);

- memset(&hw, 0, sizeof(hw));
-
- ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
- hw[0].irq = 14;
-
- ide_std_init_ports(&hw[1], 0x170, 0x376);
- hw[1].irq = 15;
-
- hwif = ide_find_port();
- if (hwif) {
- ide_init_port_hw(hwif, &hw[0]);
- idx[0] = hwif->index;
- }
-
- mate = ide_find_port();
- if (mate) {
- ide_init_port_hw(mate, &hw[1]);
- idx[1] = mate->index;
- }
-
- ide_device_add(idx, &dtc2278_port_info);
-
- return 0;
+ return ide_legacy_device_add(&dtc2278_port_info);
}

int probe_dtc2278 = 0;
Index: b/drivers/ide/legacy/ht6560b.c
===================================================================
--- a/drivers/ide/legacy/ht6560b.c
+++ b/drivers/ide/legacy/ht6560b.c
@@ -346,10 +346,6 @@ static const struct ide_port_info ht6560

static int __init ht6560b_init(void)
{
- ide_hwif_t *hwif, *mate;
- static u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];
-
if (probe_ht6560b == 0)
return -ENODEV;

@@ -364,29 +360,7 @@ static int __init ht6560b_init(void)
goto release_region;
}

- memset(&hw, 0, sizeof(hw));
-
- ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
- hw[0].irq = 14;
-
- ide_std_init_ports(&hw[1], 0x170, 0x376);
- hw[1].irq = 15;
-
- hwif = ide_find_port();
- if (hwif) {
- ide_init_port_hw(hwif, &hw[0]);
- idx[0] = hwif->index;
- }
-
- mate = ide_find_port();
- if (mate) {
- ide_init_port_hw(mate, &hw[1]);
- idx[1] = mate->index;
- }
-
- ide_device_add(idx, &ht6560b_port_info);
-
- return 0;
+ return ide_legacy_device_add(&ht6560b_port_info);

release_region:
release_region(HT_CONFIG_PORT, 1);
Index: b/drivers/ide/legacy/umc8672.c
===================================================================
--- a/drivers/ide/legacy/umc8672.c
+++ b/drivers/ide/legacy/umc8672.c
@@ -133,10 +133,7 @@ static const struct ide_port_info umc867

static int __init umc8672_probe(void)
{
- ide_hwif_t *hwif, *mate;
unsigned long flags;
- static u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
- hw_regs_t hw[2];

if (!request_region(0x108, 2, "umc8672")) {
printk(KERN_ERR "umc8672: ports 0x108-0x109 already in use.\n");
@@ -155,29 +152,7 @@ static int __init umc8672_probe(void)
umc_set_speeds(current_speeds);
local_irq_restore(flags);

- memset(&hw, 0, sizeof(hw));
-
- ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
- hw[0].irq = 14;
-
- ide_std_init_ports(&hw[1], 0x170, 0x376);
- hw[1].irq = 15;
-
- hwif = ide_find_port();
- if (hwif) {
- ide_init_port_hw(hwif, &hw[0]);
- idx[0] = hwif->index;
- }
-
- mate = ide_find_port();
- if (mate) {
- ide_init_port_hw(mate, &hw[1]);
- idx[1] = mate->index;
- }
-
- ide_device_add(idx, &umc8672_port_info);
-
- return 0;
+ return ide_legacy_device_add(&umc8672_port_info);
}

int probe_umc8672;
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1215,6 +1215,7 @@ void ide_undecoded_slave(ide_drive_t *);

int ide_device_add_all(u8 *idx, const struct ide_port_info *);
int ide_device_add(u8 idx[4], const struct ide_port_info *);
+int ide_legacy_device_add(const struct ide_port_info *);
void ide_port_unregister_devices(ide_hwif_t *);
void ide_port_scan(ide_hwif_t *);

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