diff options
Diffstat (limited to 'recipes-kernel/linux/linux-toradex-mainline-4.14/0029-mmc-tegra-fix-eMMC-DDR-mode.patch')
-rw-r--r-- | recipes-kernel/linux/linux-toradex-mainline-4.14/0029-mmc-tegra-fix-eMMC-DDR-mode.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-mainline-4.14/0029-mmc-tegra-fix-eMMC-DDR-mode.patch b/recipes-kernel/linux/linux-toradex-mainline-4.14/0029-mmc-tegra-fix-eMMC-DDR-mode.patch new file mode 100644 index 0000000..fadb534 --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-mainline-4.14/0029-mmc-tegra-fix-eMMC-DDR-mode.patch @@ -0,0 +1,33 @@ +From 7641e3bc8feb2ebeb36ccf0877a70f1985e54dd8 Mon Sep 17 00:00:00 2001 +Message-Id: <7641e3bc8feb2ebeb36ccf0877a70f1985e54dd8.1531317141.git.marcel.ziswiler@toradex.com> +In-Reply-To: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com> +References: <6654e1bd342708a683daf47e7558455f709a3e7e.1531317141.git.marcel.ziswiler@toradex.com> +From: Stefan Agner <stefan@agner.ch> +Date: Tue, 10 Jul 2018 16:04:20 +0200 +Subject: [PATCH 29/33] mmc: tegra: fix eMMC DDR mode + +Make sure the clock is also doubled when using eMMC DDR modes. + +Signed-off-by: Stefan Agner <stefan@agner.ch> +Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> +--- + drivers/mmc/host/sdhci-tegra.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c +index c83115860cf4..3b6d504bef45 100644 +--- a/drivers/mmc/host/sdhci-tegra.c ++++ b/drivers/mmc/host/sdhci-tegra.c +@@ -239,7 +239,8 @@ static void tegra_sdhci_set_uhs_signaling(struct sdhci_host *host, + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); + +- if (timing == MMC_TIMING_UHS_DDR50) ++ if (timing == MMC_TIMING_UHS_DDR50 || ++ timing == MMC_TIMING_MMC_DDR52) + tegra_host->ddr_signaling = true; + + return sdhci_set_uhs_signaling(host, timing); +-- +2.14.4 + |