[v1,0/2] Check for device supported event rings and channels

Message ID	1603504843-38557-1-git-send-email-hemantk@codeaurora.org
Headers	show Return-Path: <SRS0=WMud=D7=vger.kernel.org=linux-arm-msm-owner@kernel.org> Date: Subject: Cc: To: From: Sender; bh=0uDaYOZPoU8fD/BmOOa/brvrk/cBkXCfDoj5KQ20XgU=; b=sgGsEck+1arJE8yrdtpP3J/Za6qW+W8IuzZCoz+B/pUr/jwNFpSg9EHp3V8EcujEuwFhtpAv Mkpih8syBmyEbczs3jRuWL4LSqAE6gNB3Xt3xaxGVFE1zl1vftE3+EiOOyCkR6BqiJpqXV+U CEu3qAYebqXVPFZYpNHFGWLx9ZE= Sender: hemantk=codeaurora.org@mg.codeaurora.org sender: hemantk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 108E3C433C9; Sat, 24 Oct 2020 02:00:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 108E3C433C9 From: Hemant Kumar <hemantk@codeaurora.org> To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jhugo@codeaurora.org, bbhatt@codeaurora.org, loic.poulain@linaro.org, Hemant Kumar <hemantk@codeaurora.org> Subject: [PATCH v1 0/2] Check for device supported event rings and channels Date: Fri, 23 Oct 2020 19:00:41 -0700 Message-Id: <1603504843-38557-1-git-send-email-hemantk@codeaurora.org> Precedence: bulk
Series	Check for device supported event rings and channels \| expand [v1,0/2] Check for device supported event rings and channels [v1,1/2] bus: mhi: core: Count number of HW channels supported by controller [v1,2/2] bus: mhi: core: Check for device supported event rings and channels

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1603504843-38557-1-git-send-email-hemantk@codeaurora.org

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Sender: hemantk=codeaurora.org@mg.codeaurora.org
DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 108E3C433C9
From: Hemant Kumar <hemantk@codeaurora.org>
To: manivannan.sadhasivam@linaro.org
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	jhugo@codeaurora.org, bbhatt@codeaurora.org,
	loic.poulain@linaro.org, Hemant Kumar <hemantk@codeaurora.org>
Subject: [PATCH v1 0/2] Check for device supported event rings and channels
Date: Fri, 23 Oct 2020 19:00:41 -0700
Message-Id: <1603504843-38557-1-git-send-email-hemantk@codeaurora.org>
Precedence: bulk

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Check for device supported event rings and channels | expand

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Hemant Kumar Oct. 24, 2020, 2 a.m. UTC

This change is introduced to make sure device supported hardware event ring,
hardware channels, total number of event rings and total number of channels
match with MHI host controller. In case of a mismatch, driver bails out and
does not move MHI device to M0 from Ready state.

Hemant Kumar (2):
  bus: mhi: core: Count number of HW channels supported by controller
  bus: mhi: core: Check for device supported event rings and channels

 drivers/bus/mhi/core/init.c     | 33 +++++++++++++++++++++++++++++++++
 drivers/bus/mhi/core/internal.h |  5 +++++
 include/linux/mhi.h             |  1 +
 3 files changed, 39 insertions(+)