Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756626Ab3DEESW (ORCPT ); Fri, 5 Apr 2013 00:18:22 -0400 Received: from mail-gh0-f179.google.com ([209.85.160.179]:51581 "EHLO mail-gh0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753488Ab3DEESV (ORCPT ); Fri, 5 Apr 2013 00:18:21 -0400 From: Alexandre Pereira da Silva To: cjb@laptop.org, shawn.guo@linaro.org, marex@denx.de, fabio.estevam@freescale.com, otavio@ossystems.com.br, broonie@opensource.wolfsonmicro.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Alexandre Pereira da Silva Subject: [PATCH] mmc: mxs-mmc: Add support for non-removable cards Date: Fri, 5 Apr 2013 01:18:38 -0300 Message-Id: <1365135518-31549-1-git-send-email-aletes.xgr@gmail.com> X-Mailer: git-send-email 1.7.10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1327 Lines: 40 Some boards and card slots doesn't have card detect feature available. In that case allow to mark the cards as non-removable, via devicetree. Signed-off-by: Alexandre Pereira da Silva --- drivers/mmc/host/mxs-mmc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 4efe302..7d2cd74 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -95,6 +95,9 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc) struct mxs_mmc_host *host = mmc_priv(mmc); struct mxs_ssp *ssp = &host->ssp; + if (mmc->caps & MMC_CAP_NONREMOVABLE) + return 1; + return !(readl(ssp->base + HW_SSP_STATUS(ssp)) & BM_SSP_STATUS_CARD_DETECT); } @@ -691,6 +694,9 @@ static int mxs_mmc_probe(struct platform_device *pdev) if (flags & OF_GPIO_ACTIVE_LOW) host->wp_inverted = 1; + if (of_find_property(np, "non-removable", NULL)) + mmc->caps |= MMC_CAP_NONREMOVABLE; + mmc->f_min = 400000; mmc->f_max = 288000000; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; -- 1.7.10 -- 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/