Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753340Ab2KTCJw (ORCPT ); Mon, 19 Nov 2012 21:09:52 -0500 Received: from rtits2.realtek.com ([60.250.210.242]:50355 "EHLO rtits2.realtek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752490Ab2KTCJu (ORCPT ); Mon, 19 Nov 2012 21:09:50 -0500 X-SpamFilter-By: BOX Solutions SpamTrap 5.19 with qID qAK29Hh8022341, This message is released by code: ctaloc0852 From: To: , CC: , , , , , , , Wei WANG Subject: [PATCH v2 1/2] mmc/host/rtsx: Configure SD_CFG2 register in sd_rw_multi Date: Tue, 20 Nov 2012 10:09:16 +0800 Message-ID: <00fb063304a0720f3ba9db6f79bb67263d450356.1353377266.git.wei_wang@realsil.com.cn> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1238 Lines: 31 From: Wei WANG For Realtek card reader, internal regsiter SD_CFG2 should be configured before transferring data. In the prior version, the value of this register has been calculated, but forgotten to write back to the internal register. Signed-off-by: Wei WANG --- drivers/mmc/host/rtsx_pci_sdmmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 0e934bf..067dd46 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -405,6 +405,7 @@ static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq) rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG2, 0xFF, cfg2); rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_TRANSFER, 0xFF, trans_mode | SD_TRANSFER_START); rtsx_pci_add_cmd(pcr, CHECK_REG_CMD, SD_TRANSFER, -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/