From: George Kashperko <[email protected]> Issue map read after Write Buffer Load...

SVN-Revision: 27760

diff --git a/target/linux/generic/patches-3.0/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch b/target/linux/generic/patches-3.0/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
new file mode 100644 (file)
index 0000000..6166cd5
--- /dev/null
+++ b/target/linux/generic/patches-3.0/475-mtd_cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
@@ -0,0 +1,18 @@
+From: George Kashperko <[email protected]>
+
+Issue map read after Write Buffer Load command to ensure chip is ready
+to receive data.
+Signed-off-by: George Kashperko <[email protected]>
+---
+ drivers/mtd/chips/cfi_cmdset_0002.c |    1 +
+ 1 file changed, 1 insertion(+)
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1412,6 +1412,7 @@ static int __xipram do_write_buffer(stru
+ 
+       /* Write Buffer Load */
+       map_write(map, CMD(0x25), cmd_adr);
++      (void) map_read(map, cmd_adr);
+ 
+       chip->state = FL_WRITING_TO_BUFFER;
+