mmc: sdhci-pci-o2micro: Fix Dell E5440 issue

commit 6380ea099cdd46d7377b6fbec0291cf2aa387bad upstream.

Fix Dell E5440 when reboot Linux, can't find o2micro sd host chip issue.

Fixes: 01acf6917aed (mmc: sdhci-pci: add support of O2Micro/BayHubTech SD hosts)
Signed-off-by: Peter Guo <peter.guo@bayhubtech.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index f49666bcc52a7244cdde83ced6117c022343bb07..257e9ca301669cdce20975eec94a2b28d43cde75 100644 (file)
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -88,8 +88,6 @@ void sdhci_pci_o2_fujin2_pci_init(struct sdhci_pci_chip *chip)
                return;
        scratch_32 &= ~((1 << 21) | (1 << 30));
 
-       /* Set RTD3 function disabled */
-       scratch_32 |= ((1 << 29) | (1 << 28));
        pci_write_config_dword(chip->pdev, O2_SD_FUNC_REG3, scratch_32);
 
        /* Set L1 Entrance Timer */