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From: Arnd Bergmann <arnd@arndb.de>
To: Qin Jian <qinjian@cqplus1.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
	Rob Herring <robh+dt@kernel.org>,
	 Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	 Thomas Gleixner <tglx@linutronix.de>,
	Marc Zyngier <maz@kernel.org>,
	 Philipp Zabel <p.zabel@pengutronix.de>,
	Russell King - ARM Linux <linux@armlinux.org.uk>,
	 Arnd Bergmann <arnd@arndb.de>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	DTML <devicetree@vger.kernel.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-clk <linux-clk@vger.kernel.org>
Subject: Re: [PATCH v12 7/9] irqchip: Add Sunplus SP7021 interrupt controller driver
Date: Thu, 31 Mar 2022 11:17:04 +0200	[thread overview]
Message-ID: <CAK8P3a16M3nv+TQWsC-0Pr5M2vcTttC2WWTzctMBaqdODMFX-A@mail.gmail.com> (raw)
In-Reply-To: <c75df921c121c047d48a34de29cd18cf9a631d01.1648714851.git.qinjian@cqplus1.com>

On Thu, Mar 31, 2022 at 10:29 AM Qin Jian <qinjian@cqplus1.com> wrote:

> +#ifdef CONFIG_SMP
> +static int sp_intc_set_affinity(struct irq_data *d, const struct cpumask *mask, bool force)
> +{
> +       return -EINVAL;
> +}
> +#endif
> +
> +static struct irq_chip sp_intc_chip = {
> +       .name = "sp_intc",
> +       .irq_ack = sp_intc_ack_irq,
> +       .irq_mask = sp_intc_mask_irq,
> +       .irq_unmask = sp_intc_unmask_irq,
> +       .irq_set_type = sp_intc_set_type,
> +#ifdef CONFIG_SMP
> +       .irq_set_affinity = sp_intc_set_affinity,
> +#endif
> +};

I don't think you need to define an irq_set_affinity() callback at all if you
just return -EINVAL, all the callers should have a check already. Even
if you do need the function, I think you can remove the #ifdef, as long
as the function itself can be built that way.

      Arnd

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  reply	other threads:[~2022-03-31 11:07 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-31  8:29 [PATCH v12 0/9] Add Sunplus SP7021 SoC Support Qin Jian
2022-03-31  8:29 ` [PATCH v12 1/9] dt-bindings: arm: sunplus: Add bindings for Sunplus SP7021 SoC boards Qin Jian
2022-03-31  8:29 ` [PATCH v12 2/9] dt-bindings: reset: Add bindings for SP7021 reset driver Qin Jian
2022-03-31  8:58   ` Arnd Bergmann
2022-04-01  8:24     ` qinjian[覃健]
2022-03-31  8:29 ` [PATCH v12 3/9] reset: Add Sunplus " Qin Jian
2022-03-31  8:59   ` Arnd Bergmann
2022-03-31  8:29 ` [PATCH v12 4/9] dt-bindings: clock: Add bindings for SP7021 clock driver Qin Jian
2022-03-31 20:21   ` Krzysztof Kozlowski
2022-04-01  9:19     ` qinjian[覃健]
2022-04-01  9:32       ` Krzysztof Kozlowski
2022-03-31  8:29 ` [PATCH v12 5/9] clk: Add Sunplus " Qin Jian
2022-03-31  9:22   ` Arnd Bergmann
2022-04-01  9:47     ` qinjian[覃健]
2022-04-01 10:09       ` Arnd Bergmann
2022-04-02  3:37         ` qinjian[覃健]
2022-03-31  8:29 ` [PATCH v12 6/9] dt-bindings: interrupt-controller: Add bindings for SP7021 interrupt controller Qin Jian
2022-03-31 20:44   ` Rob Herring
2022-04-01  2:29     ` qinjian[覃健]
2022-04-01 17:53       ` Rob Herring
2022-04-02  2:43         ` qinjian[覃健]
2022-03-31  8:29 ` [PATCH v12 7/9] irqchip: Add Sunplus SP7021 interrupt controller driver Qin Jian
2022-03-31  9:17   ` Arnd Bergmann [this message]
2022-04-01  7:17     ` qinjian[覃健]
2022-03-31  8:29 ` [PATCH v12 8/9] ARM: sunplus: Add initial support for Sunplus SP7021 SoC Qin Jian
2022-03-31  9:03   ` Arnd Bergmann
2022-03-31  8:29 ` [PATCH v12 9/9] ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig Qin Jian
2022-03-31  9:09   ` Arnd Bergmann
2022-04-01  7:08     ` qinjian[覃健]

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