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Subject[PATCH v6 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file
Date
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>
---
drivers/bus/mhi/core/internal.h | 1 -
include/linux/mhi.h | 3 +++
2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h
index 7989269..4abf0cf 100644
--- a/drivers/bus/mhi/core/internal.h
+++ b/drivers/bus/mhi/core/internal.h
@@ -453,7 +453,6 @@ enum mhi_pm_state {
#define CMD_EL_PER_RING 128
#define PRIMARY_CMD_RING 0
#define MHI_DEV_WAKE_DB 127
-#define MHI_MAX_MTU 0xffff
#define MHI_RANDOM_U32_NONZERO(bmsk) (prandom_u32_max(bmsk) + 1)

enum mhi_er_type {
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 6565528..610f3b0 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_MAX_OEM_PK_HASH_SEGMENTS 16

struct mhi_chan;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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