Hello.
Mike Frysinger wrote:
From: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Add some helpful notes about how the driver works around anomaly 05000450
(USB DMA Mode 1 Short Packet Data Corruption).
Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
drivers/usb/musb/blackfin.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/musb/blackfin.h b/drivers/usb/musb/blackfin.h
index 159fdea..ba5e606 100644
--- a/drivers/usb/musb/blackfin.h
+++ b/drivers/usb/musb/blackfin.h
@@ -14,6 +14,12 @@
* Blackfin specific definitions
*/
+/* Anomaly notes:
+ * 05000450 - MUSB driver is degined to transfer buffer of N*maxpacket size
s/degined/designed/?
+ * in DMA mode 1 and leave rest data to the next transfer in DMA
And what's the anomaly?
+ * mode 0.
+*/
Documentation/CodingStyle, chapter 8:
The preferred style for long (multi-line) comments is:
/*
* This is the preferred style for multi-line
* comments in the Linux kernel source code.
* Please use it consistently.
*
* Description: A column of asterisks on the left side,
* with beginning and ending almost-blank lines.
*/
WBR, Sergei
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