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authorFelix Fietkau <nbd@nbd.name>2017-01-27 14:32:10 +0100
committerFelix Fietkau <nbd@nbd.name>2017-02-04 20:28:14 +0100
commitf791fb4af45032a653ba7c850f4564923871cb16 (patch)
treec1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
parent7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff)
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kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch')
-rw-r--r--target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch b/target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
new file mode 100644
index 0000000000..0ba0f86480
--- /dev/null
+++ b/target/linux/generic/patches-4.9/461-mtd-cfi_cmdset_0002-add-buffer-write-cmd-timeout.patch
@@ -0,0 +1,18 @@
+From: George Kashperko <george@znau.edu.ua>
+
+Issue map read after Write Buffer Load command to ensure chip is ready
+to receive data.
+Signed-off-by: George Kashperko <george@znau.edu.ua>
+---
+ 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
+@@ -1828,6 +1828,7 @@ 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;
+