Re: [PATCH v7 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file

From: Manivannan Sadhasivam
Date: Wed Oct 21 2020 - 11:23:56 EST


On Fri, Oct 16, 2020 at 09:04:15PM -0700, Hemant Kumar wrote:
> 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@xxxxxxxxxxxxxx>
> Reviewed-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>

I've already reviewed this patch. Please make sure to collect reviews while
posting incremental revisions.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Thanks,
Mani

> ---
> 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 7829b1d..6e1122c 100644
> --- a/include/linux/mhi.h
> +++ b/include/linux/mhi.h
> @@ -15,6 +15,9 @@
> #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;
> --
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>