lkml.org 
[lkml]   [2007]   [May]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] sata_nv: fix ADMA freeze/thaw/irq_clear issues
Robert Hancock wrote:
> This patch fixes some problems with ADMA-capable controllers with regard
> to freeze,
> thaw and irq_clear libata callbacks. Freeze and thaw didn't switch the
> ADMA-specific
> interrupts on or off, and more critically the irq_clear function didn't
> respect
> the restriction that the notifier clear registers for both ports have to
> be written
> at the same time even when only one port is being cleared. This could
> result in
> timeouts on one port when error handling (i.e. as a result of hotplug)
> occurred on the other port.
>
> As well, this fixes some issues in the interrupt handler: we shouldn't
> check any
> ADMA status if the port has ADMA switched off because of an ATAPI
> device, and
> it also checks to see if any ADMA interrupt has been raised even when we
> are in
> port-register mode.
>
> Signed-off-by: Robert Hancock <hancockr@shaw.ca>

applied

please properly word-wrap your patch descriptions in the future


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-10 02:19    [W:0.117 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site