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yaml --- r: 174968 b: refs/heads/master c: 0702794 h: refs/heads/master v: v3
git-mirror · Dec 11, 2009 · 8918bb2 · 8918bb2
1 parent 48e5ec6
commit 8918bb2
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6bd03e7b9d0f70928f9cd793326c28e4e08ffc96
+refs/heads/master: 0702794c41c3740e65ec83d393b7cb4d048be954
diff --git a/trunk/drivers/usb/musb/blackfin.h b/trunk/drivers/usb/musb/blackfin.h
@@ -41,6 +41,16 @@
  *             anomaly - 05000465.
  */
 
+/* The Mentor USB DMA engine on BF52x (silicon v0.0 and v0.1) seems to be
+ * unstable in host mode.  This may be caused by Anomaly 05000380.  After
+ * digging out the root cause, we will change this number accordingly.
+ * So, need to either use silicon v0.2+ or disable DMA mode in MUSB.
+ */
+#if ANOMALY_05000380 && defined(CONFIG_BF52x) && \
+    defined(CONFIG_USB_MUSB_HDRC) && !defined(CONFIG_MUSB_PIO_ONLY)
+# error "Please use PIO mode in MUSB driver on bf52x chip v0.0 and v0.1"
+#endif
+
 #undef DUMP_FIFO_DATA
 #ifdef DUMP_FIFO_DATA
 static void dump_fifo_data(u8 *buf, u16 len)