diff options
| author | Gao, Yunpeng | 2014-09-04 09:18:05 +0200 |
|---|---|---|
| committer | Ulf Hansson | 2014-09-09 13:59:26 +0200 |
| commit | b7574bad80f773dcc4c17950181cde9fb6701501 (patch) | |
| tree | 4ced34271a4524cee93c7772cb3f41782da9dae1 /drivers/mmc/host/sdhci-pci.c | |
| parent | mmc: Add .multi_io_quirk callback for multi I/O HW bug (diff) | |
| download | kernel-qcow2-linux-b7574bad80f773dcc4c17950181cde9fb6701501.tar.gz kernel-qcow2-linux-b7574bad80f773dcc4c17950181cde9fb6701501.tar.xz kernel-qcow2-linux-b7574bad80f773dcc4c17950181cde9fb6701501.zip | |
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/host/sdhci-pci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index ff9ab62e6eef..580073bc164c 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, }; |