From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: [PATCH 02/10] USB: reduce USB_MAXCHILDREN on imported ch11.h
Date: Wed, 23 Jul 2014 15:51:43 +0200 [thread overview]
Message-ID: <1406123512-26489-3-git-send-email-sebastian.hesselbarth@gmail.com> (raw)
In-Reply-To: <1406123512-26489-1-git-send-email-sebastian.hesselbarth@gmail.com>
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>
---
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
---
include/usb/ch11.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/usb/ch11.h b/include/usb/ch11.h
index 331499d597fa..924a9ea64c5e 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
--
2.0.0
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next prev parent reply other threads:[~2014-07-23 13:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-23 13:51 [PATCH 00/10] More USB cleanup and fixes Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 01/10] USB: import ch11.h from Linux Sebastian Hesselbarth
2014-07-23 13:51 ` Sebastian Hesselbarth [this message]
2014-07-23 13:51 ` [PATCH 03/10] USB: fixup usb_hub_descriptor length name Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 04/10] USB: fix PowerPowerCtrlMask assignment Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 05/10] USB: Move FooRequest defines and add class requests Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 06/10] USB: EHCI: reuse ch9.h config and interface descriptors Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 07/10] USB: EHCI: make use of defines for descriptors Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 08/10] USB: EHCI: use descriptor length fields Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 09/10] USB: Use descriptors from ch11.h Sebastian Hesselbarth
2014-07-23 13:51 ` [PATCH 10/10] USB: remove redundant defines from usb_defs.h Sebastian Hesselbarth
2014-07-24 7:05 ` [PATCH 00/10] More USB cleanup and fixes Sascha Hauer
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