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-rw-r--r--README.OSX10
1 files changed, 8 insertions, 2 deletions
diff --git a/README.OSX b/README.OSX
index ceb1a4e8..2bea870f 100644
--- a/README.OSX
+++ b/README.OSX
@@ -23,6 +23,12 @@ If you're using Homebrew, no custom flags are necessary.
See README for the generic building instructions.
-If you use an FTDI-based adapter and have the FTDI kext installed, you
-will need to unload it prior to using OpenOCD:
+If you're using a USB adapter and have a driver kext matched to it,
+you will need to unload it prior to running OpenOCD. E.g. with Apple
+driver (OS X 10.9 or later) for FTDI run:
+ sudo kextunload -b com.apple.driver.AppleUSBFTDI
+for FTDI vendor driver use:
sudo kextunload FTDIUSBSerialDriver.kext
+
+To learn more on the topic please refer to the official libusb FAQ:
+https://github.com/libusb/libusb/wiki/FAQ