From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: [PATCH 19/21] advansys: Remove a couple of uses of bus_to_virt
Date: Tue, 02 Oct 2007 22:13:07 -0400
Message-ID: <4702FAB3.7020608@garzik.org>
References: <11913765421743-git-send-email-matthew@wil.cx> <1191376543887-git-send-email-matthew@wil.cx>
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To: Matthew Wilcox <matthew@wil.cx>
Cc: linux-scsi@vger.kernel.org, Matthew Wilcox <willy@linux.intel.com>

Matthew Wilcox wrote:
> Replace ASC_VADDR_TO_U32 and ASC_U32_TO_VADDR with an auto-expanding
> array that maps pointers to 32-bit IDs and back.  One of the uses of
> ASC_VADDR_TO_U32 was in error; it should have been using ADV_VADDR_TO_U32.
> 
> Also replace the use of virt_to_bus when setting the sense_address with
> a call to dma_map_single() followed by dma_cache_sync.  This part cribbed
> from the 53c700 driver.
> 
> Signed-off-by: Matthew Wilcox <willy@linux.intel.com>

check dma_map_single for error