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Commit 9f7e45d8 authored by Santosh Shilimkar's avatar Santosh Shilimkar Committed by Russell King
Browse files

ARM: 7794/1: block: Rename parameter dma_mask to max_addr for blk_queue_bounce_limit() 



The blk_queue_bounce_limit() API parameter 'dma_mask' is actually the
maximum address the device can handle rather than a dma_mask. Rename
it accordingly to avoid it being interpreted as dma_mask.

No functional change.

The idea is to fix the bad assumptions about dma_mask wherever it could
be miss-interpreted.

Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4dcfa600

block/blk-settings.c

+4 −4
Original line number Diff line number Diff line
@@ -195,17 +195,17 @@ EXPORT_SYMBOL(blk_queue_make_request); 
/**

 * blk_queue_bounce_limit - set bounce buffer limit for queue

 * @q: the request queue for the device

 * @dma_mask: the maximum address the device can handle

 * @max_addr: the maximum address the device can handle

 *

 * Description:

 *    Different hardware can have different requirements as to what pages

 *    it can do I/O directly to. A low level driver can call

 *    blk_queue_bounce_limit to have lower memory pages allocated as bounce

 *    buffers for doing I/O to pages residing above @dma_mask.

 *    buffers for doing I/O to pages residing above @max_addr.

 **/

void blk_queue_bounce_limit(struct request_queue *q, u64 dma_mask)

void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr)

{

	unsigned long b_pfn = dma_mask >> PAGE_SHIFT;

	unsigned long b_pfn = max_addr >> PAGE_SHIFT;

	int dma = 0;



	q->bounce_gfp = GFP_NOIO;