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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2014-07-23 15:51:43 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-07-24 08:57:57 +0200
commit73476de0e04f6dd8d136295471bcab5fe6894a2a (patch)
tree68a4d670d946775f5ac9536fa6b590f2701e6a93
parentbfea72da82fe7f324dd4504576dff7b76173dc79 (diff)
downloadbarebox-73476de0e04f6dd8d136295471bcab5fe6894a2a.tar.gz
USB: reduce USB_MAXCHILDREN on imported ch11.h
Barebox supports up to 8 USB devices attached on a Hub, Linux does 31. Reduce the USB_MAXCHILDREN define in ch11.h to the Barebox one and put a comment above. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--include/usb/ch11.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/usb/ch11.h b/include/usb/ch11.h
index 331499d..924a9ea 100644
--- a/include/usb/ch11.h
+++ b/include/usb/ch11.h
@@ -19,8 +19,10 @@
* up to 22 devices to connect. Upcoming hardware might raise that
* limit. Because the arrays need to add a bit for hub status data, we
* use 31, so plus one evens out to four bytes.
+ *
+ * Reduced to 8 max children for Barebox.
*/
-#define USB_MAXCHILDREN 31
+#define USB_MAXCHILDREN 8
/*
* Hub request types