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

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>

authored by

Peter Guo and committed by
Ulf Hansson
6380ea09 0031a98a

-2
-2
drivers/mmc/host/sdhci-pci-o2micro.c
··· 127 127 return; 128 128 scratch_32 &= ~((1 << 21) | (1 << 30)); 129 129 130 - /* Set RTD3 function disabled */ 131 - scratch_32 |= ((1 << 29) | (1 << 28)); 132 130 pci_write_config_dword(chip->pdev, O2_SD_FUNC_REG3, scratch_32); 133 131 134 132 /* Set L1 Entrance Timer */