[PATCH v3 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file

Hemant Kumar
2020-06-11T18:14:08Z

Currently this macro is defined in internal MHI header as
a TRE length mask. Moving it to external header allows MHI
client drivers to set this upper bound for the transmit
buffer size.

Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
---
include/linux/mhi.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index a39b77d..ce43f74 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -16,6 +16,9 @@
#include <linux/wait.h>
#include <linux/workqueue.h>

+/* MHI client drivers to set this upper bound for tx buffer */
+#define MHI_MAX_MTU 0xffff
+
#define MHI_VOTE_BUS BIT(0) /* do not disable the mhi bus */
#define MHI_VOTE_DEVICE BIT(1) /* prevent mhi device from entering lpm */