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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>
This commit is contained in:
Gao, Yunpeng 2014-09-04 15:18:05 +08:00 committed by Ulf Hansson
parent 2e47e84245
commit b7574bad80
1 changed files with 6 additions and 3 deletions
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9
drivers/mmc/host/sdhci-pci.c
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@ -287,13 +287,15 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
}; };
static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = { 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, .allow_runtime_pm = true,
.probe_slot = byt_sdio_probe_slot, .probe_slot = byt_sdio_probe_slot,
}; };
static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { 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, .allow_runtime_pm = true,
.own_cd_for_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 = { static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, .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, .allow_runtime_pm = true,
.probe_slot = intel_mrfl_mmc_probe_slot, .probe_slot = intel_mrfl_mmc_probe_slot,
}; };