diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/8048-mmc-sdhci-of-esdhc-add-remove-some-quirks-according-.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/8048-mmc-sdhci-of-esdhc-add-remove-some-quirks-according-.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/8048-mmc-sdhci-of-esdhc-add-remove-some-quirks-according-.patch b/target/linux/layerscape/patches-4.4/8048-mmc-sdhci-of-esdhc-add-remove-some-quirks-according-.patch new file mode 100644 index 0000000000..09afa5e2ac --- /dev/null +++ b/target/linux/layerscape/patches-4.4/8048-mmc-sdhci-of-esdhc-add-remove-some-quirks-according-.patch @@ -0,0 +1,60 @@ +From dfc4661c2499aeb0a43b8a13b55213d1c190f640 Mon Sep 17 00:00:00 2001 +From: yangbo lu <yangbo.lu@freescale.com> +Date: Tue, 19 Apr 2016 09:47:15 +0800 +Subject: [PATCH 48/70] mmc: sdhci-of-esdhc: add/remove some quirks according + to vendor version + +commit 6c42cb309fee2e126beed6b96a986dc7d85a033d +[context adjustment] + +A previous patch had removed esdhc_of_platform_init() by mistake. +static void esdhc_of_platform_init(struct sdhci_host *host) +{ + u32 vvn; + + vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS); + vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT; + if (vvn == VENDOR_V_22) + host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23; + + if (vvn > VENDOR_V_22) + host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; +} + +This patch is used to fix it by add/remove some quirks according to +verdor version in probe. + +Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com> +Fixes: f4932cfd22f1 ("mmc: sdhci-of-esdhc: support both BE and LE host controller") +Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> +Integrated-by: Zhao Qiang <qiang.zhao@nxp.com> +--- + drivers/mmc/host/sdhci-of-esdhc.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/drivers/mmc/host/sdhci-of-esdhc.c ++++ b/drivers/mmc/host/sdhci-of-esdhc.c +@@ -584,6 +584,8 @@ static int sdhci_esdhc_probe(struct plat + { + struct sdhci_host *host; + struct device_node *np; ++ struct sdhci_pltfm_host *pltfm_host; ++ struct sdhci_esdhc *esdhc; + int ret; + + np = pdev->dev.of_node; +@@ -611,6 +613,14 @@ static int sdhci_esdhc_probe(struct plat + if (of_device_is_compatible(np, "fsl,ls1021a-esdhc")) + host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + ++ pltfm_host = sdhci_priv(host); ++ esdhc = pltfm_host->priv; ++ if (esdhc->vendor_ver == VENDOR_V_22) ++ host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23; ++ ++ if (esdhc->vendor_ver > VENDOR_V_22) ++ host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; ++ + if (of_device_is_compatible(np, "fsl,p2020-esdhc")) { + /* + * Freescale messed up with P2020 as it has a non-standard |