tree daa43475eda40c966431c5babde76cd3594c16c6
parent 5c8fe583cce542aa0b84adc939ce85293de36e5e
author Hemant Kumar <hemantk@codeaurora.org> 1610388460 +0100
committer Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> 1611746121 +0530

bus: mhi: core: Add helper API to return number of free TREs

Introduce mhi_get_free_desc_count() API to return number
of TREs available to queue buffer. MHI clients can use this
API to know before hand if ring is full without calling queue
API.

Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1610388462-16322-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>