linux-kernel - Re: [PATCH v2 1/2] mfd: pm8xxx: add support to pm8821

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Message-ID: <a1116e3f-32d2-aa2d-9404-1d8147bd8500@codeaurora.org>
Date:   Mon, 14 Nov 2016 10:40:45 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Lee Jones <lee.jones@...aro.org>
Cc:     bjorn.andersson@...aro.org, Rob Herring <robh+dt@...nel.org>,
        Andy Gross <andy.gross@...aro.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] mfd: pm8xxx: add support to pm8821

On 11/14/2016 09:52 AM, Srinivas Kandagatla wrote:
> diff --git a/drivers/mfd/qcom-pm8xxx.c b/drivers/mfd/qcom-pm8xxx.c
> index 7f9620e..dc347d3 100644
> --- a/drivers/mfd/qcom-pm8xxx.c
> +++ b/drivers/mfd/qcom-pm8xxx.c
> +
> +static void pm8821_irq_handler(struct irq_desc *desc)
> +{
> +	struct pm_irq_chip *chip = irq_desc_get_handler_data(desc);
> +	struct irq_chip *irq_chip = irq_desc_get_chip(desc);
> +	unsigned int master;
> +	int ret;
> +
> +	chained_irq_enter(irq_chip, desc);
> +	ret = regmap_read(chip->regmap,
> +			  PM8821_SSBI_REG_ADDR_IRQ_MASTER0, &master);
> +	if (ret) {
> +		pr_err("Failed to re:Qad master 0 ret=%d\n", ret);

Hm? vi?

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