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authorHarvey Harrison <harvey.harrison@gmail.com>2008-12-13 23:21:29 (GMT)
committerStefan Richter <stefanr@s5r6.in-berlin.de>2009-01-04 22:50:36 (GMT)
commitc82cdea1e1cb3790788d04ef5cab33488e1455c9 (patch)
tree30621519f220da63e039f226772b0ed2a05903e4 /drivers/firewire
parent7d7039d3650688319670b2e828b1013fbfd2cc3b (diff)
downloadlinux-fsl-qoriq-c82cdea1e1cb3790788d04ef5cab33488e1455c9.tar.xz
ieee1934: dv1394: interrupt enabling/disabling broken on big-endian
After annotating the frame structs, this was left: drivers/ieee1394/dv1394.c:2113:23: warning: invalid assignment: |= drivers/ieee1394/dv1394.c:2113:23: left side has type restricted __le32 drivers/ieee1394/dv1394.c:2113:23: right side has type int drivers/ieee1394/dv1394.c:2121:24: warning: invalid assignment: &= drivers/ieee1394/dv1394.c:2121:24: left side has type restricted __le32 drivers/ieee1394/dv1394.c:2121:24: right side has type int drivers/ieee1394/dv1394.c:2123:24: warning: invalid assignment: |= drivers/ieee1394/dv1394.c:2123:24: left side has type restricted __le32 drivers/ieee1394/dv1394.c:2123:24: right side has type int Which looks like a real bug on a big-endian arch as it would set/clear the wrong bit. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Bill Fink writes: I finally got a chance to test the patch on my kernel, and live DV viewing using xine still worked fine. Although I admit to being mystified how it works both before and after the patch, since the cpu_to_le32() calls that were added should result in byte swapping on PPC that wasn't being done before. I guess that either the code paths involved aren't actually being triggered by my xine DV viewing, or there's some fortuitous palindromic setting of bits. Tested-by: Bill Fink <billfink@mindspring.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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