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authorKyle Roeschley <kyle.roeschley@ni.com>2018-04-13 16:54:58 -0500
committerUlf Hansson <ulf.hansson@linaro.org>2018-05-02 15:08:44 +0200
commitbb26b8412dec694a99f3b1b1dd1eed1f185f04f6 (patch)
treedb9ec4a1ef6770b771e1956faf883b42b97bbd70 /drivers/mmc/host/sdhci-pci.h
parentmmc: core: Add capability to avoid 3.3V signaling (diff)
downloadlinux-dev-bb26b8412dec694a99f3b1b1dd1eed1f185f04f6.tar.xz
linux-dev-bb26b8412dec694a99f3b1b1dd1eed1f185f04f6.zip
mmc: sdhci-pci: Avoid 3.3V signaling on some NI 904x
On some NI 904x devices, using 3.3V signaling for extended periods of time will physically damage the pads connected to the SDHC, eventually causing complete failure of the controller. To work around this, require that we avoid 3.3V signaling. Signed-off-by: Kyle Roeschley <kyle.roeschley@ni.com> Signed-off-by: Jennifer Dahm <jennifer.dahm@ni.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-pci.h')
-rw-r--r--drivers/mmc/host/sdhci-pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index 5cbcdc448f98..db9cb54ef700 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -54,6 +54,7 @@
#define PCI_DEVICE_ID_REALTEK_5250 0x5250
#define PCI_SUBDEVICE_ID_NI_7884 0x7884
+#define PCI_SUBDEVICE_ID_NI_78E3 0x78e3
#define PCI_VENDOR_ID_ARASAN 0x16e6
#define PCI_DEVICE_ID_ARASAN_PHY_EMMC 0x0670