[02/29] net: qrtr: Start MHI channels during init

Message ID	20201202094159.107075-3-manivannan.sadhasivam@linaro.org
State	Accepted
Commit	a2e2cc0dbb1121dfa875da1c04f3dff966fec162
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of linux-arm-msm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; 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@linaro.org, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, "David S . Miller" <davem@davemloft.net> Subject: [PATCH 02/29] net: qrtr: Start MHI channels during init Date: Wed, 2 Dec 2020 15:11:32 +0530 Message-Id: <20201202094159.107075-3-manivannan.sadhasivam@linaro.org> In-Reply-To: <20201202094159.107075-1-manivannan.sadhasivam@linaro.org> References: <20201202094159.107075-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	MHI changes for v5.11 \| expand [00/29] MHI changes for v5.11 [01/29] bus: mhi: Remove auto-start option [02/29] net: qrtr: Start MHI channels during init [03/29] bus: mhi: core: fix potential operator-precedence with BHI macros [04/29] bus: mhi: Add MHI PCI support for WWAN modems [05/29] bus: mhi: core: Fix null pointer access when parsing MHI configuration [06/29] bus: mhi: Fix channel close issue on driver remove [07/29] bus: mhi: core: Remove unnecessary counter from mhi_firmware_copy() [08/29] bus: mhi: core: Add missing EXPORT_SYMBOL for mhi_get_mhi_state() [09/29] bus: mhi: core: Expose mhi_get_exec_env() API for controllers [10/29] bus: mhi: core: Remove unused mhi_fw_load_worker() declaration [11/29] bus: mhi: core: Rename RDDM download function to use proper words [12/29] bus: mhi: core: Skip RDDM download for unknown execution environment [13/29] bus: mhi: core: Use appropriate names for firmware load functions [14/29] bus: mhi: core: Move to using high priority workqueue [15/29] bus: mhi: core: Skip device wake in error or shutdown states [16/29] bus: mhi: core: Move to SYS_ERROR regardless of RDDM capability [17/29] bus: mhi: core: Prevent sending multiple RDDM entry callbacks [18/29] bus: mhi: core: Move to an error state on any firmware load failure [19/29] bus: mhi: core: Use appropriate label in firmware load handler API [20/29] bus: mhi: core: Move to an error state on mission mode failure [21/29] bus: mhi: core: Check for IRQ availability during registration [22/29] bus: mhi: core: Separate system error and power down handling [23/29] bus: mhi: core: Mark and maintain device states early on after power down [24/29] bus: mhi: core: Remove MHI event ring IRQ handlers when powering down [25/29] net: qrtr: Unprepare MHI channels during remove [26/29] bus: mhi: core: Indexed MHI controller name [27/29] bus: mhi: core: Fix device hierarchy [28/29] bus: mhi: core: Fix error handling in mhi_register_controller() [29/29] mhi: pci_generic: Fix implicit conversion warning

Message ID

20201202094159.107075-3-manivannan.sadhasivam@linaro.org

State

Accepted

Commit

a2e2cc0dbb1121dfa875da1c04f3dff966fec162

Headers

Received-SPF: pass (google.com: domain of
	linux-arm-msm-owner@vger.kernel.org designates 23.128.96.18
	as permitted sender) client-ip=23.128.96.18; 
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@linaro.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	"David S . Miller" <davem@davemloft.net>
Subject: [PATCH 02/29] net: qrtr: Start MHI channels during init
Date: Wed,  2 Dec 2020 15:11:32 +0530
Message-Id: <20201202094159.107075-3-manivannan.sadhasivam@linaro.org>
In-Reply-To: <20201202094159.107075-1-manivannan.sadhasivam@linaro.org>
References: <20201202094159.107075-1-manivannan.sadhasivam@linaro.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

MHI changes for v5.11 | expand

Commit Message

Manivannan Sadhasivam Dec. 2, 2020, 9:41 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(+)

-- 
2.25.1

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;

[02/29] net: qrtr: Start MHI channels during init

Commit Message

Patch