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authorGao, Yunpeng <yunpeng.gao@intel.com>2014-09-04 15:18:05 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2014-09-09 13:59:26 +0200
commitb7574bad80f773dcc4c17950181cde9fb6701501 (patch)
tree4ced34271a4524cee93c7772cb3f41782da9dae1 /drivers/mmc
parent2e47e84245adcb1b3872210678b6146f674fb3ff (diff)
downloadop-kernel-dev-b7574bad80f773dcc4c17950181cde9fb6701501.zip
op-kernel-dev-b7574bad80f773dcc4c17950181cde9fb6701501.tar.gz
mmc: sdhci-pci: disable preset register for Baytrail and Merrifield
Due to HW issue, SDHCI host controller on Intel Baytrail/Merrifield platforms can not use preset register. So, disable preset registers for them by quirks. Signed-off-by: Yunpeng Gao <yunpeng.gao@intel.com> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-pci.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index ff9ab62..580073b 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -287,13 +287,15 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
- .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
+ .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON |
+ SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.probe_slot = byt_sdio_probe_slot,
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
- .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON,
+ .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
+ SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.own_cd_for_runtime_pm = true,
};
@@ -317,7 +319,8 @@ static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot)
static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
- .quirks2 = SDHCI_QUIRK2_BROKEN_HS200,
+ .quirks2 = SDHCI_QUIRK2_BROKEN_HS200 |
+ SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.probe_slot = intel_mrfl_mmc_probe_slot,
};
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