diff options
Diffstat (limited to 'arm-sdhci-esdhc-imx-fixes.patch')
| -rw-r--r-- | arm-sdhci-esdhc-imx-fixes.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arm-sdhci-esdhc-imx-fixes.patch b/arm-sdhci-esdhc-imx-fixes.patch deleted file mode 100644 index 1b10c3e18..000000000 --- a/arm-sdhci-esdhc-imx-fixes.patch +++ /dev/null @@ -1,57 +0,0 @@ -From patchwork Thu Jun 28 08:13:30 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [2/3] mmc: sdhci: add quirk to prevent higher speed modes -From: Stefan Agner <stefan@agner.ch> -X-Patchwork-Id: 10493273 -Message-Id: <20180628081331.13051-3-stefan@agner.ch> -To: adrian.hunter@intel.com, ulf.hansson@linaro.org -Cc: fabio.estevam@nxp.com, haibo.chen@nxp.com, aisheng.dong@nxp.com, - michael@amarulasolutions.com, rmk+kernel@armlinux.org.uk, - linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, - Stefan Agner <stefan@agner.ch> -Date: Thu, 28 Jun 2018 10:13:30 +0200 - -Some hosts are capable of running higher speed modes but do not -have the board support for it. Introduce a quirk which prevents -the stack from using modes running at 100MHz or faster. - -Signed-off-by: Stefan Agner <stefan@agner.ch> ---- - drivers/mmc/host/sdhci.c | 8 ++++++++ - drivers/mmc/host/sdhci.h | 2 ++ - 2 files changed, 10 insertions(+) - -diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c -index 1c828e0e9905..8ac257dfaab3 100644 ---- a/drivers/mmc/host/sdhci.c -+++ b/drivers/mmc/host/sdhci.c -@@ -3749,6 +3749,14 @@ int sdhci_setup_host(struct sdhci_host *host) - } - } - -+ if (host->quirks2 & SDHCI_QUIRK2_NO_UHS_HS200_HS400) { -+ host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | -+ SDHCI_SUPPORT_DDR50); -+ -+ mmc->caps2 &= ~(MMC_CAP2_HSX00_1_8V | MMC_CAP2_HSX00_1_2V | -+ MMC_CAP2_HS400_ES); -+ } -+ - if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) { - host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | - SDHCI_SUPPORT_DDR50); -diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h -index 23966f887da6..cb2433d6d61f 100644 ---- a/drivers/mmc/host/sdhci.h -+++ b/drivers/mmc/host/sdhci.h -@@ -450,6 +450,8 @@ struct sdhci_host { - * block count. - */ - #define SDHCI_QUIRK2_USE_32BIT_BLK_CNT (1<<18) -+/* Do not support any higher speeds (>50MHz) */ -+#define SDHCI_QUIRK2_NO_UHS_HS200_HS400 (1<<19) - - int irq; /* Device IRQ */ - void __iomem *ioaddr; /* Mapped address */ |