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@xxxxxxxxx>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx>
---
drivers/mmc/host/sdhci-pci.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 52c42fc..98187ae 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -277,18 +277,21 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
}
static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.allow_runtime_pm = true,
.probe_slot = byt_emmc_probe_slot,
};
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,
};
@@ -312,7 +315,8 @@ 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,
.probe_slot = intel_mrfl_mmc_probe_slot,
};
--
1.7.9.5
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