diff options
Diffstat (limited to 'target/linux/imx6/patches-4.9')
| -rw-r--r-- | target/linux/imx6/patches-4.9/0003-mmc-sdhci-esdhc-imx-increase-the-pad-I-O-drive-stren.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/target/linux/imx6/patches-4.9/0003-mmc-sdhci-esdhc-imx-increase-the-pad-I-O-drive-stren.patch b/target/linux/imx6/patches-4.9/0003-mmc-sdhci-esdhc-imx-increase-the-pad-I-O-drive-stren.patch deleted file mode 100644 index f97e829a8c..0000000000 --- a/target/linux/imx6/patches-4.9/0003-mmc-sdhci-esdhc-imx-increase-the-pad-I-O-drive-stren.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 9f327845358d3dd0d8a5a7a5436b0aa5c432e757 Mon Sep 17 00:00:00 2001 -From: Haibo Chen <haibo.chen@nxp.com> -Date: Wed, 19 Apr 2017 10:53:51 +0800 -Subject: [PATCH] mmc: sdhci-esdhc-imx: increase the pad I/O drive strength for - DDR50 card - -Currently for DDR50 card, it need tuning in default. We meet tuning fail -issue for DDR50 card and some data CRC error when DDR50 sd card works. - -This is because the default pad I/O drive strength can't make sure DDR50 -card work stable. So increase the pad I/O drive strength for DDR50 card, -and use pins_100mhz. - -This fixes DDR50 card support for IMX since DDR50 tuning was enabled from -commit 9faac7b95ea4 ("mmc: sdhci: enable tuning for DDR50") - -Tested-and-reported-by: Tim Harvey <tharvey@gateworks.com> -Signed-off-by: Haibo Chen <haibo.chen@nxp.com> -Cc: stable@vger.kernel.org # v4.4+ -Acked-by: Dong Aisheng <aisheng.dong@nxp.com> -Acked-by: Adrian Hunter <adrian.hunter@intel.com> -Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> -Signed-off-by: Tim Harvey <tharvey@gateworks.com> ---- - drivers/mmc/host/sdhci-esdhc-imx.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index 7123ef9..445fc47 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -830,6 +830,7 @@ static int esdhc_change_pinstate(struct sdhci_host *host, - - switch (uhs) { - case MMC_TIMING_UHS_SDR50: -+ case MMC_TIMING_UHS_DDR50: - pinctrl = imx_data->pins_100mhz; - break; - case MMC_TIMING_UHS_SDR104: --- -2.7.4 - |