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Date: Thu, 29 Jan 2009 00:13:20 +0100 (CET)
From: Stefan Richter <stefanr@...6.in-berlin.de>
To: linux1394-devel@...ts.sourceforge.net
cc: Jarod Wilson <jarod@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH revised] ieee1394: sbp2: add workarounds for 2nd and 3rd
generation iPods
as per https://bugs.launchpad.net/bugs/294391. These got one sample of
each iPod generation going. However there still occurred I/O stalls
with the 3rd generation iPod which remain undiagnosed at the time of
this writing.
Signed-off-by: Stefan Richter <stefanr@...6.in-berlin.de>
---
drivers/ieee1394/sbp2.c | 10 ++++++++++
1 file changed, 10 insertions(+)
Index: linux/drivers/ieee1394/sbp2.c
===================================================================
--- linux.orig/drivers/ieee1394/sbp2.c
+++ linux/drivers/ieee1394/sbp2.c
@@ -395,6 +395,16 @@ static const struct {
.model = SBP2_ROM_VALUE_WILDCARD,
.workarounds = SBP2_WORKAROUND_128K_MAX_TRANS,
},
+ /*
+ * iPod 2nd generation: needs 128k max transfer size workaround
+ * iPod 3rd generation: needs fix capacity workaround
+ */
+ {
+ .firmware_revision = 0x0a2700,
+ .model = 0x000000,
+ .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS |
+ SBP2_WORKAROUND_FIX_CAPACITY,
+ },
/* iPod 4th generation */ {
.firmware_revision = 0x0a2700,
.model = 0x000021,
--
Stefan Richter
-=====-==--= ---= ===-=
http://arcgraph.de/sr/
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