linux-kernel - Re: [RFC 4/4] gpio: sifive: Add GPIO driver for SiFive SoCs

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Date:   Wed, 10 Oct 2018 15:01:29 +0200
From:   Andreas Schwab <schwab@...e.de>
To:     Atish Patra <atish.patra@....com>
Cc:     palmer@...ive.com, linux-riscv@...ts.infradead.org,
        linux-pwm@...r.kernel.org, linux-gpio@...r.kernel.org,
        linus.walleij@...aro.org, robh+dt@...nel.org,
        thierry.reding@...il.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        hch@...radead.org
Subject: Re: [RFC 4/4] gpio: sifive: Add GPIO driver for SiFive SoCs

On Okt 09 2018, Atish Patra <atish.patra@....com> wrote:

> +static void sifive_set_ie(struct sifive_gpio *chip, unsigned int offset)
> +{
> +	unsigned long flags;
> +	unsigned int trigger;
> +
> +	raw_spin_lock_irqsave(&chip->lock, flags);
> +	trigger = (chip->enabled & BIT(offset)) ? chip->trigger[offset] : 0;

This should use test_bit instead.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@...e.de
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