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[v1,2/3] bus: mhi: core: Move MHI_MAX_MTU to external header file

Message ID 1589840619-18520-3-git-send-email-hemantk@codeaurora.org
State New
Headers show
Series None | expand

Commit Message

Hemant Kumar May 18, 2020, 10:23 p.m. UTC 
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(-)
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Patch

diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h
index c3ecd2e..76a6bf9 100644
--- a/drivers/bus/mhi/core/internal.h
+++ b/drivers/bus/mhi/core/internal.h
@@ -490,7 +490,6 @@  enum mhi_pm_state {
 #define PRIMARY_CMD_RING		0
 #define MHI_BW_SCALE_CHAN_DB		126
 #define MHI_DEV_WAKE_DB			127
-#define MHI_MAX_MTU			0xffff
 #define MHI_RANDOM_U32_NONZERO(bmsk)	(prandom_u32_max(bmsk) + 1)
 
 #define MHI_BW_SCALE_SETUP(er_index) (((MHI_BW_SCALE_CHAN_DB << \
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index ac44326..c2bcdd1 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 */