From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiner Kallweit Subject: [PATCH v3 6/9] mmc: meson-gx: set max block count and request size Date: Tue, 7 Feb 2017 22:34:58 +0100 Message-ID: <64508f4b-39eb-7c45-50bf-013cbfb0561b@gmail.com> References: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wm0-f67.google.com ([74.125.82.67]:32843 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932426AbdBGVp2 (ORCPT ); Tue, 7 Feb 2017 16:45:28 -0500 Received: by mail-wm0-f67.google.com with SMTP id v77so30655731wmv.0 for ; Tue, 07 Feb 2017 13:45:28 -0800 (PST) In-Reply-To: <0991d40b-e05b-2fcb-9ee4-7b529448de69@gmail.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson , Kevin Hilman Cc: Carlo Caione , "linux-mmc@vger.kernel.org" , linux-amlogic@lists.infradead.org So far max_blk_count isn't set what results in a default of value 8 to be used (PAGE_SIZE / block size). Block length field has 9 bits, so set max_blk_count to 2^9-1 = 511. In addition set max_req_size because max_blk_count is also limited by max_req_size / block_size. Signed-off-by: Heiner Kallweit Reviewed-by: Kevin Hilman Tested-by: Kevin Hilman Acked-by: Kevin Hilman --- v3: - no changes --- drivers/mmc/host/meson-gx-mmc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 4c622ad2..c9f25171 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -778,6 +778,9 @@ static int meson_mmc_probe(struct platform_device *pdev) if (ret) goto free_host; + mmc->max_blk_count = CMD_CFG_LENGTH_MASK; + mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size; + /* data bounce buffer */ host->bounce_buf_size = SZ_512K; host->bounce_buf = -- 2.11.0