ide-cs: fix probing and add warm-plug support
* Fix probing by using ide_port_scan() and moving "retry loop"
from ide_config() to idecs_register().
* Don't fail probe if there are no devices attached to a port.
* Remove (now redundant) error message from ide_config().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index aa2ea3d..d08107d 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -194,6 +194,16 @@
if (hwif->present)
return hwif;
+ /* retry registration in case device is still spinning up */
+ for (i = 0; i < 10; i++) {
+ msleep(100);
+ ide_port_scan(hwif);
+ if (hwif->present)
+ return hwif;
+ }
+
+ return hwif;
+
out_release:
release_region(ctl, 1);
release_region(io, 8);
@@ -222,7 +232,7 @@
cistpl_cftable_entry_t dflt;
} *stk = NULL;
cistpl_cftable_entry_t *cfg;
- int i, pass, last_ret = 0, last_fn = 0, is_kme = 0;
+ int pass, last_ret = 0, last_fn = 0, is_kme = 0;
unsigned long io_base, ctl_base;
ide_hwif_t *hwif;
@@ -319,30 +329,15 @@
if (is_kme)
outb(0x81, ctl_base+1);
- /* retry registration in case device is still spinning up */
- for (i = 0; i < 10; i++) {
- hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
- if (hwif)
- break;
- if (link->io.NumPorts1 == 0x20) {
+ hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
+ if (hwif == NULL && link->io.NumPorts1 == 0x20) {
outb(0x02, ctl_base + 0x10);
hwif = idecs_register(io_base + 0x10, ctl_base + 0x10,
link->irq.AssignedIRQ, link);
- if (hwif) {
- io_base += 0x10;
- ctl_base += 0x10;
- break;
- }
- }
- msleep(100);
}
- if (hwif == NULL) {
- printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
- ", irq %u failed\n", io_base, ctl_base,
- link->irq.AssignedIRQ);
+ if (hwif == NULL)
goto failed;
- }
info->ndev = 1;
sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2);