From: Felipe Franciosi <felipe@paradoxo.org> Date: Thu, 13 Mar 2014 14:34:20 +0000 (+0000) Subject: mtip32xx: Set queue bounce limit X-Git-Tag: firefly_0821_release~176^2~4188^2~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1044b1bb9278f2e656a1a7b63dc24a59506540aa;p=firefly-linux-kernel-4.4.55.git mtip32xx: Set queue bounce limit 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> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@fb.com> --- diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 5299a65182db..642f8ab675d4 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