RE: 2.6.12-rc1-mm3: box hangs solid on resume from disk while resuming device drivers

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Hi,
>On Friday, 25 of March 2005 09:21, Andrew Morton wrote:
>>
>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-
>rc1/2.6.12-rc1-mm3/
>>
>> - Mainly a bunch of fixes relative to 2.6.12-rc1-mm2.
>
>First, rmmod works again (thanks ;-)).
>
>> - Again, we'd like people who have had recent DRM and USB resume
problems
>to
>>   test and report, please.
>
>My box is still hanged solid on resume (swsusp) by the drivers:
>
>ohci_hcd
>ehci_hcd
>yenta_socket
>
>possibly others, too.  To avoid this, I had to revert the following
patch
>from
>the Len's tree:
>
>diff -Naru a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
>--- a/drivers/acpi/pci_link.c	2005-03-24 04:57:27 -08:00
>+++ b/drivers/acpi/pci_link.c	2005-03-24 04:57:27 -08:00
>@@ -72,10 +72,12 @@
> 	u8			active;			/* Current IRQ
*/
> 	u8			edge_level;		/* All IRQs */
> 	u8			active_high_low;	/* All IRQs */
>-	u8			initialized;
> 	u8			resource_type;
> 	u8			possible_count;
> 	u8			possible[ACPI_PCI_LINK_MAX_POSSIBLE];
>+	u8			initialized:1;
>+	u8			suspend_resume:1;
>+	u8			reserved:6;
> };
>
> struct acpi_pci_link {
>@@ -530,6 +532,10 @@
>
> 	ACPI_FUNCTION_TRACE("acpi_pci_link_allocate");
>
>+	if (link->irq.suspend_resume) {
>+		acpi_pci_link_set(link, link->irq.active);
>+		link->irq.suspend_resume = 0;
>+	}
> 	if (link->irq.initialized)
> 		return_VALUE(0);

How about just remove below line:
>+		acpi_pci_link_set(link, link->irq.active);

Thanks,
Shaohua
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