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https://github.com/archlinuxarm/PKGBUILDs.git
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41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 5a70382dd43a27ae4bc8d8d6af5f7341828f23ad Mon Sep 17 00:00:00 2001
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From: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
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Date: Fri, 5 Apr 2013 01:18:38 -0300
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Subject: [PATCH 1/2] mmc: mxs-mmc: Add support for non-removable cards
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Some boards and card slots doesn't have card detect feature available.
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In that case allow to mark the cards as non-removable, via devicetree.
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Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
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---
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drivers/mmc/host/mxs-mmc.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
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index 4efe302..7d2cd74 100644
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--- a/drivers/mmc/host/mxs-mmc.c
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+++ b/drivers/mmc/host/mxs-mmc.c
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@@ -95,6 +95,9 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc)
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struct mxs_mmc_host *host = mmc_priv(mmc);
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struct mxs_ssp *ssp = &host->ssp;
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+ if (mmc->caps & MMC_CAP_NONREMOVABLE)
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+ return 1;
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+
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return !(readl(ssp->base + HW_SSP_STATUS(ssp)) &
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BM_SSP_STATUS_CARD_DETECT);
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}
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@@ -691,6 +694,9 @@ static int mxs_mmc_probe(struct platform_device *pdev)
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if (flags & OF_GPIO_ACTIVE_LOW)
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host->wp_inverted = 1;
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+ if (of_find_property(np, "non-removable", NULL))
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+ mmc->caps |= MMC_CAP_NONREMOVABLE;
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+
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mmc->f_min = 400000;
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mmc->f_max = 288000000;
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mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
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--
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1.7.10.4
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