Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751611AbdILJMI (ORCPT ); Tue, 12 Sep 2017 05:12:08 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:31683 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751457AbdILJIM (ORCPT ); Tue, 12 Sep 2017 05:08:12 -0400 X-UUID: ffbda957f6d643fc993578ab10239871-20170912 From: Chaotian Jing To: Ulf Hansson CC: Rob Herring , Mark Rutland , Matthias Brugger , Catalin Marinas , Will Deacon , Chaotian Jing , yong mao , Linus Walleij , Javier Martinez Canillas , Heiner Kallweit , Phong LE , , , , , , Subject: [PATCH 04/12] mmc: mediatek: make hs400_tune_response only for mt8173 Date: Tue, 12 Sep 2017 17:07:44 +0800 Message-ID: <1505207272-16983-5-git-send-email-chaotian.jing@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1505207272-16983-1-git-send-email-chaotian.jing@mediatek.com> References: <1505207272-16983-1-git-send-email-chaotian.jing@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1744 Lines: 51 the origin design of hs400_tune_response is for mt8173 because of mt8173 has a special design. for doing that, we add a new member "compatible", by now it's only for mt8173. Signed-off-by: Chaotian Jing --- drivers/mmc/host/mtk-sd.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 643c795..e8f8ad9 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -317,6 +317,7 @@ struct msdc_delay_phase { struct msdc_host { struct device *dev; const struct mtk_mmc_compatible *dev_comp; + const char *compatible; struct mmc_host *mmc; /* mmc structure */ int cmd_rsp; @@ -666,7 +667,8 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) host->base + PAD_CMD_TUNE); } - if (timing == MMC_TIMING_MMC_HS400) + if (timing == MMC_TIMING_MMC_HS400 && + !strcmp(host->compatible, "mediatek,mt8173-mmc")) sdr_set_field(host->base + PAD_CMD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, host->hs400_cmd_int_delay); @@ -1594,7 +1596,8 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode) struct msdc_host *host = mmc_priv(mmc); int ret; - if (host->hs400_mode) + if (host->hs400_mode && + !strcmp(host->compatible, "mediatek,mt8173-mmc")) ret = hs400_tune_response(mmc, opcode); else ret = msdc_tune_response(mmc, opcode); @@ -1745,6 +1748,7 @@ static int msdc_drv_probe(struct platform_device *pdev) host->dev = &pdev->dev; host->dev_comp = of_id->data; + host->compatible = of_id->compatible; host->mmc = mmc; host->src_clk_freq = clk_get_rate(host->src_clk); /* Set host parameters to mmc */ -- 1.8.1.1.dirty