[PATCH 1/2] mtip32xx: Set queue bounce limit

From: Felipe Franciosi
Date: Thu Mar 13 2014 - 10:34:50 EST


We need to set the queue bounce limit during the device initialization to
prevent excessive bouncing on 32 bit architectures.

Signed-off-by: Felipe Franciosi <felipe@xxxxxxxxxxxx>
---
drivers/block/mtip32xx/mtip32xx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 5160269..787c9d3 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4213,6 +4213,7 @@ skip_create_disk:
blk_queue_max_hw_sectors(dd->queue, 0xffff);
blk_queue_max_segment_size(dd->queue, 0x400000);
blk_queue_io_min(dd->queue, 4096);
+ blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask);

/*
* write back cache is not supported in the device. FUA depends on
--
1.7.10.4

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