From: Tanmay Shah <tanmay.shah@xxxxxxx>
commit 79963fbfc233759bd8a43462f120d15a1bd4f4fa upstream.
Xilinx IPI message buffers allows 32-byte data transfer.
Fix documentation that says 12 bytes
Fixes: 4981b82ba2ff ("mailbox: ZynqMP IPI mailbox controller")
Signed-off-by: Tanmay Shah <tanmay.shah@xxxxxxx>
Acked-by: Michal Simek <michal.simek@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20230311012407.1292118-4-tanmay.shah@xxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/mailbox/zynqmp-ipi-message.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/mailbox/zynqmp-ipi-message.h
+++ b/include/linux/mailbox/zynqmp-ipi-message.h
@@ -9,7 +9,7 @@
* @data: message payload
*
* This is the structure for data used in mbox_send_message
- * the maximum length of data buffer is fixed to 12 bytes.
+ * the maximum length of data buffer is fixed to 32 bytes.
* Client is supposed to be aware of this.
*/
struct zynqmp_ipi_message {
