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Date: Sat, 1 Mar 2008 19:12:18 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] ide: register ports with non-present devices (for warm-plug)
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
goes before "ide: remove ide_hwif_release_regions()" patch
drivers/ide/ide-probe.c | 37 +++++++++++++++++--------------------
1 file changed, 17 insertions(+), 20 deletions(-)
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1533,18 +1533,15 @@ int ide_device_add_all(u8 *idx, const st
continue;
}
- if (ide_probe_port(hwif) < 0) {
- ide_hwif_release_regions(hwif);
- continue;
- }
-
- hwif->present = 1;
+ if (ide_probe_port(hwif) == 0)
+ hwif->present = 1;
if (hwif->chipset != ide_4drives || !hwif->mate ||
!hwif->mate->present)
ide_register_port(hwif);
- ide_port_tune_devices(hwif);
+ if (hwif->present)
+ ide_port_tune_devices(hwif);
}
for (i = 0; i < MAX_HWIFS; i++) {
@@ -1553,9 +1550,6 @@ int ide_device_add_all(u8 *idx, const st
hwif = &ide_hwifs[idx[i]];
- if (!hwif->present)
- continue;
-
if (hwif_init(hwif) == 0) {
printk(KERN_INFO "%s: failed to initialize IDE "
"interface\n", hwif->name);
@@ -1564,10 +1558,13 @@ int ide_device_add_all(u8 *idx, const st
continue;
}
- ide_port_setup_devices(hwif);
+ if (hwif->present)
+ ide_port_setup_devices(hwif);
ide_acpi_init(hwif);
- ide_acpi_port_init_devices(hwif);
+
+ if (hwif->present)
+ ide_acpi_port_init_devices(hwif);
}
for (i = 0; i < MAX_HWIFS; i++) {
@@ -1576,11 +1573,11 @@ int ide_device_add_all(u8 *idx, const st
hwif = &ide_hwifs[idx[i]];
- if (hwif->present) {
- if (hwif->chipset == ide_unknown)
- hwif->chipset = ide_generic;
+ if (hwif->chipset == ide_unknown)
+ hwif->chipset = ide_generic;
+
+ if (hwif->present)
hwif_register_devices(hwif);
- }
}
for (i = 0; i < MAX_HWIFS; i++) {
@@ -1589,11 +1586,11 @@ int ide_device_add_all(u8 *idx, const st
hwif = &ide_hwifs[idx[i]];
- if (hwif->present) {
- ide_sysfs_register_port(hwif);
- ide_proc_register_port(hwif);
+ ide_sysfs_register_port(hwif);
+ ide_proc_register_port(hwif);
+
+ if (hwif->present)
ide_proc_port_register_devices(hwif);
- }
}
return rc;
--
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