From: Michael De Backer Date: Wed, 13 Sep 2006 03:35:53 +0000 (-0700) Subject: [PATCH] alim15x3.c: M5229 (rev c8) support for DMA cd-writer X-Git-Tag: upstream/snapshot3+hdmi~37948^2~18 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e11db063d86d0ef9d7903cb463bb542b5d4e9ddd;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git [PATCH] alim15x3.c: M5229 (rev c8) support for DMA cd-writer Configuration bits are not set properly for DMA on some chipset revisions. It has already been corrected for M5229 (rev c7) but not for M5229 (rev c8). This leads to the bug described at http://bugzilla.kernel.org/show_bug.cgi?id=5786 (lost interrupt + ide bus hangs). Signed-off-by: Michael De Backer Acked-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 351dab2..d419e4b 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -730,7 +730,7 @@ static unsigned int __devinit ata66_ali15x3 (ide_hwif_t *hwif) if(m5229_revision <= 0x20) tmpbyte = (tmpbyte & (~0x02)) | 0x01; - else if (m5229_revision == 0xc7) + else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) tmpbyte |= 0x03; else tmpbyte |= 0x01;