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Wed, 05 Dec 2012 22:10:46 +0900 (KST) X-AuditID: cbfee61a-b7fa66d0000004cf-17-50bf47d62b5d Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id B8.D6.01231.6D74FB05; Wed, 05 Dec 2012 22:10:46 +0900 (KST) Received: from localhost.localdomain ([107.108.73.106]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MEK00BI176AKQA0@mmp1.samsung.com> for u-boot@lists.denx.de; Wed, 05 Dec 2012 22:10:46 +0900 (KST) From: Amar To: u-boot@lists.denx.de, jh80.chung@samsung.com Date: Wed, 05 Dec 2012 19:01:34 +0530 Message-id: <1354714297-11568-2-git-send-email-amarendra.xt@samsung.com> X-Mailer: git-send-email 1.7.0.4 In-reply-to: <1354714297-11568-1-git-send-email-amarendra.xt@samsung.com> References: <1354714297-11568-1-git-send-email-amarendra.xt@samsung.com> DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrFLMWRmVeSWpSXmKPExsWyRsSkWvea+/4Agx2nTSze7u1kd2D0OHtn B2MAYxSXTUpqTmZZapG+XQJXxsLHM5gL7rNW9Oy+wNbAeI+li5GTQ0LAROL0xwlMELaYxIV7 69m6GLk4hASWMkqsPbOVCaZo96rtYLaQwCJGib/XUyCKFjBJ7Ft/hLmLkYODTUBV4tdie5Aa EQEDielPtrOChJkFCiSe7RYDCQsL2Evs3XyaFcRmAareOOcvO4jNK+AhseLMPmaIVQoSrcsO gcU5BTwlmu8+ZIdY6yFx4MtFJoheAYlvkw+xgIyXEJCV2HSAGeQaCYHLbBIfLs5hh5gjKXFw xQ2WCYzCCxgZVjGKphYkFxQnpeca6hUn5haX5qXrJefnbmIEBuDpf8+kdjCubLA4xCjAwajE w5ulty9AiDWxrLgy9xCjBAezkgjvTdf9AUK8KYmVValF+fFFpTmpxYcYfYAumcgsJZqcD4yO vJJ4Q2MTc1NjU0sjIzNTUxzCSuK8zR4pAUIC6YklqdmpqQWpRTDjmDg4pRoYV2k0nHd6/mVu m8b5R6qT2FIjUhVzg6+77U/Qvb+ncKJT0P2Z6iavFkWLbffyibl233yvXvENabbwnTumplXU OOx2yfduPy3a7vHe4OPqmipPi9NiClE9q542b/W1vK4nn/zO0V0sKlLj4No9rmu+271ZbvzX 8VD71g/7Ls9mYXv/z3ee0IPFSizFGYmGWsxFxYkA696Al20CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupkkeLIzCtJLcpLzFFi42I5/e+xgO419/0BBl2dmhZv93ayOzB6nL2z gzGAMaqB0SYjNTEltUghNS85PyUzL91WyTs43jne1MzAUNfQ0sJcSSEvMTfVVsnFJ0DXLTMH aKySQlliTilQKCCxuFhJ3w7ThNAQN10LmMYIXd+QILgeIwM0kLCGMWPh4xnMBfdZK3p2X2Br YLzH0sXIySEhYCKxe9V2JghbTOLCvfVsILaQwCJGib/XU7oYuYDsBUwS+9YfYe5i5OBgE1CV +LXYHqRGRMBAYvqT7awgYWaBAolnu8VAwsIC9hJ7N59mBbFZgKo3zvnLDmLzCnhIrDizjxli lYJE67JDYHFOAU+J5rsP2SHWekgc+HKRaQIj7wJGhlWMoqkFyQXFSem5hnrFibnFpXnpesn5 uZsYweH9TGoH48oGi0OMAhyMSjy8WXr7AoRYE8uKK3MPMUpwMCuJ8N503R8gxJuSWFmVWpQf X1Sak1p8iNEH6KqJzFKiyfnA2MsriTc0NjE3NTa1NLEwMbPEIawkztvskRIgJJCeWJKanZpa kFoEM46Jg1OqgbHV1GZ9xY0u5Xv6qn1sByKebfyiWmetmHjgvtjCnxeWpcZPWTNdaAvX8d1M 5mGsuZfv7ZiVy96or7Dlnahc4v417VmFrSLL80/+qt4tfm5PVpI/5zot3tXBJisWenvpFZtE M8azMvH1LbMrWy29bWPUZaa69/fj3ur1pzNvqpq3N+6FBGd1kxJLcUaioRZzUXEiANcwtgOc AgAA X-CFilter-Loop: Reflected Cc: afleming@gmail.com, patches@linaro.org Subject: [U-Boot] [PATCH 1/4] MMC: DWMMC: Modified fifo size computation X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de The current implementation of fifo size computation was giving improper values for eMMC channel. Modified the computation as per user manual. Signed-off-by: Amarendra Reddy Acked-by: Jaehoon Chung --- drivers/mmc/dw_mmc.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 4070d4e..62dc152 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -332,6 +332,8 @@ static int dwmci_init(struct mmc *mmc) dwmci_writel(host, DWMCI_BMOD, 1); fifo_size = dwmci_readl(host, DWMCI_FIFOTH); + fifo_size = ((fifo_size & RX_WMARK(0xFFF)) >> 16) + 1; + if (host->fifoth_val) fifoth_val = host->fifoth_val; else