From mboxrd@z Thu Jan 1 00:00:00 1970 From: hkallweit1@gmail.com (Heiner Kallweit) Date: Tue, 7 Feb 2017 22:35:02 +0100 Subject: [PATCH v3 7/9] mmc: meson-gx: reduce bounce buffer size In-Reply-To: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> References: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Message-ID: <104a768e-fee3-0643-fed9-b4362b2366a1@gmail.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org A bounce buffer of 512K isn't needed as the max request size is 511 * 512 byte. Signed-off-by: Heiner Kallweit Reviewed-by: Kevin Hilman Tested-by: Kevin Hilman --- v3: - no changes --- drivers/mmc/host/meson-gx-mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index c9f25171..4feb8971 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -782,7 +782,7 @@ static int meson_mmc_probe(struct platform_device *pdev) mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size; /* data bounce buffer */ - host->bounce_buf_size = SZ_512K; + host->bounce_buf_size = mmc->max_req_size; host->bounce_buf = dma_alloc_coherent(host->dev, host->bounce_buf_size, &host->bounce_dma_addr, GFP_KERNEL); -- 2.11.0