linux-kernel - [PATCH] mfd: qcom_rpm: write fw_version to CTRL

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Message-Id: <20181114224201.16225-1-jonathan@marek.ca>
Date:   Wed, 14 Nov 2018 17:42:01 -0500
From:   Jonathan Marek <jonathan@...ek.ca>
To:     bjorn.andersson@...aro.org
Cc:     Lee Jones <lee.jones@...aro.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] mfd: qcom_rpm: write fw_version to CTRL_REG

downstream driver does this, and it is required on msm8060 (hp touchpad)

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 drivers/mfd/qcom_rpm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c
index 52fafea06067..8d420c37b2a6 100644
--- a/drivers/mfd/qcom_rpm.c
+++ b/drivers/mfd/qcom_rpm.c
@@ -638,6 +638,10 @@ static int qcom_rpm_probe(struct platform_device *pdev)
 		return -EFAULT;
 	}
 
+	writel(fw_version[0], RPM_CTRL_REG(rpm, 0));
+	writel(fw_version[1], RPM_CTRL_REG(rpm, 1));
+	writel(fw_version[2], RPM_CTRL_REG(rpm, 2));
+
 	dev_info(&pdev->dev, "RPM firmware %u.%u.%u\n", fw_version[0],
 							fw_version[1],
 							fw_version[2]);
-- 
2.17.1