mtip32xx: Set queue bounce limit

commit 1044b1bb9278f2e656a1a7b63dc24a59506540aa upstream.

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@paradoxo.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 20dd52a2f92f8ea733c4b78d444c0ea94d496dd8..6e514583aa76c4817ae0a2c978d48ab599fd6232 100644 (file)
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4040,6 +4040,7 @@ 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