Commit 504e4175 authored by Jonathan Marek's avatar Jonathan Marek Committed by Lee Jones
Browse files

mfd: qcom_rpm: write fw_version to CTRL_REG



This is required as part of the initialization sequence on certain SoCs.

If these registers are not initialized, the hardware can be unresponsive.
This fixes the driver on apq8060 (HP TouchPad device).
Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent ac4ca4b9
......@@ -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]);
......
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