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SubjectRe: [PATCH][RESUBMIT] drivers/ide/ide-probe.c, kernel 2.6.23.1
Jonas Stare wrote:

> diff -u linux-2.6.23.1-orig/drivers/ide/ide-probe.c linux-2.6.23.1/drivers/ide/ide-probe.c
> --- linux-2.6.23.1-orig/drivers/ide/ide-probe.c 2007-10-12 18:43:44.000000000 +0200
> +++ linux-2.6.23.1/drivers/ide/ide-probe.c 2007-11-16 10:26:23.000000000 +0100
> @@ -643,6 +643,7 @@
> static int wait_hwif_ready(ide_hwif_t *hwif)
> {
> int rc;
> + int unit;
>
> printk(KERN_DEBUG "Probing IDE interface %s...\n", hwif->name);
>
> @@ -659,16 +660,25 @@
> return rc;
>
> /* Now make sure both master & slave are ready */
> - SELECT_DRIVE(&hwif->drives[0]);
> - hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
> - mdelay(2);
> - rc = ide_wait_not_busy(hwif, 35000);
> - if (rc)
> - return rc;
> - SELECT_DRIVE(&hwif->drives[1]);
> - hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
> - mdelay(2);
> - rc = ide_wait_not_busy(hwif, 35000);
> + for (unit = 0; unit < MAX_DRIVES; ++unit) {
> + /* Ignore disks that we will not probe for later. */
> + if (!hwif->drives[unit].noprobe ||
> + hwif->drives[unit].present) {

Why not:

if (hwif->drives[unit].noprobe || !hwif->drives[unit].present) {
printk(KERN_DEBUG "Skip ide_wait_not_busy for %s:%d\n",
hwif->name, unit);
continue;
}
SELECT_DRIVE(&hwif->drives[unit]);
hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
mdelay(2);
rc = ide_wait_not_busy(hwif, 35000);
if (rc) {
/* Exit function with master reselected */
if (unit != 0)
SELECT_DRIVE(&hwif->drives[0]);
return rc;
}
}
>
> /* Exit function with master reselected (let's be sane) */
> SELECT_DRIVE(&hwif->drives[0]);

MBR, Sergei
-
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