diff options
Diffstat (limited to 'mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch')
-rw-r--r-- | mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch b/mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch new file mode 100644 index 000000000..7b3b2c01c --- /dev/null +++ b/mmc-sdhci-iproc-Disable-preset-values-for-BCM2835.patch @@ -0,0 +1,37 @@ +From patchwork Mon Feb 12 20:02:44 2018 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: mmc: sdhci-iproc: Disable preset values for BCM2835 +From: Stefan Wahren <stefan.wahren@i2se.com> +X-Patchwork-Id: 10214367 +Message-Id: <1518465764-30051-1-git-send-email-stefan.wahren@i2se.com> +To: Adrian Hunter <adrian.hunter@intel.com>, + Ulf Hansson <ulf.hansson@linaro.org> +Cc: Eric Anholt <eric@anholt.net>, Ray Jui <rjui@broadcom.com>, + Scott Branden <sbranden@broadcom.com>, Jon Mason <jonmason@broadcom.com>, + linux-arm-kernel@lists.infradead.org, + bcm-kernel-feedback-list@broadcom.com, linux-mmc@vger.kernel.org, + Stefan Wahren <stefan.wahren@i2se.com> +Date: Mon, 12 Feb 2018 21:02:44 +0100 + +According to the BCM2835 datasheet there are no preset value registers. +This wasn't an issue before, because we didn't propagate 1.8V support. + +Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> +--- + drivers/mmc/host/sdhci-iproc.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c +index 61666d2..0ef741b 100644 +--- a/drivers/mmc/host/sdhci-iproc.c ++++ b/drivers/mmc/host/sdhci-iproc.c +@@ -214,6 +214,7 @@ static const struct sdhci_pltfm_data sdhci_bcm2835_pltfm_data = { + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_MISSING_CAPS | + SDHCI_QUIRK_NO_HISPD_BIT, ++ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + .ops = &sdhci_iproc_32only_ops, + }; + |