For those reporting success on the X220, are you using an SD card that
was not working before the setpci commands, or are you using an MMC
card? I was under the impression that SD cards worked on the X220, and
this problem was unique to the Toshiba R850s.
Also, for documentation's sake here is the equivalent kernel code that
should do the same as the setpci commands:
// add below for ricoh e823 before pci_read_config in "Device
probing" and in sdhci_pci_resume.
pci_write_config_byte(pdev, 0xf9, 0xfc);
pci_write_config_byte(pdev, 0xf150, 0x10);
pci_write_config_byte(pdev, 0xf9, 0x00);
pci_write_config_byte(pdev, 0xfc, 0x01);
pci_write_config_byte(pdev, 0xe1, 0x32);
pci_write_config_byte(pdev, 0xfc, 0x00);
// end of adding code for ricoh e823
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https://bugs.launchpad.net/bugs/773524
Title:
[Toshiba Tecra R850] SD card reader doesn't work
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