[v2,21/21] net: qrtr: Start MHI channels during init

Message ID	20200928040951.18207-22-manivannan.sadhasivam@linaro.org
State	Superseded
Headers	show Return-Path: <SRS0=VSLf=DF=vger.kernel.org=linux-arm-msm-owner@kernel.org> From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> To: gregkh@linuxfoundation.org Cc: hemantk@codeaurora.org, bbhatt@codeaurora.org, linux-arm-msm@vger.kernel.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, Loic Poulain <loic.poulain@linaro.org>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Subject: [PATCH v2 21/21] net: qrtr: Start MHI channels during init Date: Mon, 28 Sep 2020 09:39:51 +0530 Message-Id: <20200928040951.18207-22-manivannan.sadhasivam@linaro.org> In-Reply-To: <20200928040951.18207-1-manivannan.sadhasivam@linaro.org> References: <20200928040951.18207-1-manivannan.sadhasivam@linaro.org> Precedence: bulk
Series	MHI changes for v5.10 \| expand [v2,00/21] MHI changes for v5.10 [v2,01/21] bus: mhi: fix doubled words and struct image_info kernel-doc [v2,02/21] bus: mhi: core: Remove double occurrence for mhi_ctrl_ev_task() declaration [v2,03/21] bus: mhi: core: Abort suspends due to outgoing pending packets [v2,04/21] bus: mhi: core: Use helper API to trigger a non-blocking host resume [v2,05/21] bus: mhi: core: Trigger host resume if suspended during mhi_device_get() [v2,06/21] bus: mhi: core: Use generic name field for an MHI device [v2,07/21] bus: mhi: core: Introduce helper function to check device state [v2,08/21] bus: mhi: core: Introduce counters to track MHI device state transitions [v2,09/21] bus: mhi: core: Read and save device hardware information from BHI [v2,10/21] bus: mhi: core: Introduce APIs to allocate and free the MHI controller [v2,11/21] bus: mhi: core: Add const qualifier to MHI config information [v2,12/21] bus: mhi: Remove include of rwlock_types.h [v2,13/21] bus: mhi: Fix entries based on Kconfig coding style [v2,14/21] bus: mhi: core: Introduce debugfs entries for MHI [v2,15/21] bus: mhi: core: Introduce sysfs entries for MHI [v2,16/21] bus: mhi: core: Allow shared IRQ for event rings [v2,17/21] bus: mhi: Remove unused nr_irqs_req variable [v2,18/21] bus: mhi: core: Fix the building of MHI module [v2,19/21] bus: mhi: debugfs: Print channel context read-pointer [v2,20/21] bus: mhi: Remove auto-start option [v2,21/21] net: qrtr: Start MHI channels during init

Message ID

20200928040951.18207-22-manivannan.sadhasivam@linaro.org

State

Superseded

Headers

From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: gregkh@linuxfoundation.org
Cc: hemantk@codeaurora.org, bbhatt@codeaurora.org,
	linux-arm-msm@vger.kernel.org, jhugo@codeaurora.org,
	linux-kernel@vger.kernel.org, Loic Poulain <loic.poulain@linaro.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH v2 21/21] net: qrtr: Start MHI channels during init
Date: Mon, 28 Sep 2020 09:39:51 +0530
Message-Id: <20200928040951.18207-22-manivannan.sadhasivam@linaro.org>
In-Reply-To: <20200928040951.18207-1-manivannan.sadhasivam@linaro.org>
References: <20200928040951.18207-1-manivannan.sadhasivam@linaro.org>
Precedence: bulk

Series

MHI changes for v5.10 | expand

Commit Message

Manivannan Sadhasivam Sept. 28, 2020, 4:09 a.m. UTC

From: Loic Poulain <loic.poulain@linaro.org>

Start MHI device channels so that transfers can be performed.
The MHI stack does not auto-start channels anymore.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 net/qrtr/mhi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
index ff0c41467fc1..7100f0bac4c6 100644
--- a/net/qrtr/mhi.c
+++ b/net/qrtr/mhi.c
@@ -76,6 +76,11 @@  static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
 	struct qrtr_mhi_dev *qdev;
 	int rc;
 
+	/* start channels */
+	rc = mhi_prepare_for_transfer(mhi_dev);
+	if (rc)
+		return rc;
+
 	qdev = devm_kzalloc(&mhi_dev->dev, sizeof(*qdev), GFP_KERNEL);
 	if (!qdev)
 		return -ENOMEM;

[v2,21/21] net: qrtr: Start MHI channels during init

Commit Message

Patch