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61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
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From dfc4661c2499aeb0a43b8a13b55213d1c190f640 Mon Sep 17 00:00:00 2001
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From: yangbo lu <yangbo.lu@freescale.com>
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Date: Tue, 19 Apr 2016 09:47:15 +0800
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Subject: [PATCH 48/70] mmc: sdhci-of-esdhc: add/remove some quirks according
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to vendor version
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commit 6c42cb309fee2e126beed6b96a986dc7d85a033d
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[context adjustment]
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A previous patch had removed esdhc_of_platform_init() by mistake.
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static void esdhc_of_platform_init(struct sdhci_host *host)
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{
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u32 vvn;
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vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS);
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vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
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if (vvn == VENDOR_V_22)
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host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
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if (vvn > VENDOR_V_22)
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host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
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}
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This patch is used to fix it by add/remove some quirks according to
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verdor version in probe.
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Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
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Fixes: f4932cfd22f1 ("mmc: sdhci-of-esdhc: support both BE and LE host controller")
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Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Integrated-by: Zhao Qiang <qiang.zhao@nxp.com>
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---
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drivers/mmc/host/sdhci-of-esdhc.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/mmc/host/sdhci-of-esdhc.c
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+++ b/drivers/mmc/host/sdhci-of-esdhc.c
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@@ -584,6 +584,8 @@ static int sdhci_esdhc_probe(struct plat
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{
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struct sdhci_host *host;
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struct device_node *np;
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+ struct sdhci_pltfm_host *pltfm_host;
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+ struct sdhci_esdhc *esdhc;
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int ret;
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np = pdev->dev.of_node;
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@@ -611,6 +613,14 @@ static int sdhci_esdhc_probe(struct plat
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if (of_device_is_compatible(np, "fsl,ls1021a-esdhc"))
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host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
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+ pltfm_host = sdhci_priv(host);
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+ esdhc = pltfm_host->priv;
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+ if (esdhc->vendor_ver == VENDOR_V_22)
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+ host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
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+
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+ if (esdhc->vendor_ver > VENDOR_V_22)
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+ host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
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+
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if (of_device_is_compatible(np, "fsl,p2020-esdhc")) {
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/*
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* Freescale messed up with P2020 as it has a non-standard
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