Ubuntu
linux package

  1. Bug #1523178
  2. Comment #8

Comment 8 for bug 1523178

Revision history for this message
Blackgr (blackfate86) wrote : Re: SD card reader on Dell E7450 doesn't work in Ubuntu 15.10 - O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520]

Can verify that after removing the following bit and recompiled the kernel, the SD card reader played fine.

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index b3b0a3e..27b0e11 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -618,7 +618,7 @@ static int jmicron_resume(struct sdhci_pci_chip *chip)
 static const struct sdhci_pci_fixes sdhci_o2 = {
        .probe = sdhci_pci_o2_probe,
        .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
- .quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD,
+ /* .quirks2 = SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD, */
        .probe_slot = sdhci_pci_o2_probe_slot,
        .resume = sdhci_pci_o2_resume,
 };