çå: [PATCH] use devm_platform_ioremap_resource() for irqchip drivers

From: huangdaode
Date: Thu Oct 17 2019 - 05:20:20 EST


Hi Marc
I am just doing the coccicheck using the command "make coccicheck M=drivers/irqchip/", and it report
$ make coccicheck M=drivers/irqchip/
.......
drivers/irqchip//irq-mvebu-icu.c:361:1-10: WARNING: Use devm_platform_ioremap_resource for icu -> base
drivers/irqchip//irq-ts4800.c:105:1-11: WARNING: Use devm_platform_ioremap_resource for data -> base
drivers/irqchip//irq-mvebu-pic.c:134:1-10: WARNING: Use devm_platform_ioremap_resource for pic -> base
drivers/irqchip//irq-ti-sci-inta.c:571:1-11: WARNING: Use devm_platform_ioremap_resource for inta -> base
drivers/irqchip//irq-stm32-exti.c:853:1-16: WARNING: Use devm_platform_ioremap_resource for host_data -> base

so just fix the WARNING.

And after apply the patch, I do the compile, it's OK, but I lack of hardware to test it.
That's the case.

MBR.
Thanks

-----éäåä-----
åää: Marc Zyngier [mailto:maz@xxxxxxxxxx]
åéæé: 2019å10æ17æ 16:24
æää: huangdaode <huangdaode@xxxxxxxxxxxxx>
æé: jason@xxxxxxxxxxxxxx; andrew@xxxxxxx; gregory.clement@xxxxxxxxxxx; sebastian.hesselbarth@xxxxxxxxx; tglx@xxxxxxxxxxxxx; mcoquelin.stm32@xxxxxxxxx; alexandre.torgue@xxxxxx; nm@xxxxxx; t-kristo@xxxxxx; ssantosh@xxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
äé: Re: [PATCH] use devm_platform_ioremap_resource() for irqchip drivers

On 2019-10-17 08:13, Daode Huang wrote:
> From: Daode Huang <huangdaode@xxxxxxxxxxxx>
>
> Use the new helper that wraps the calls to platform_get_resource() and
> devm_ioremap_resource() together
>
> Signed-off-by: Daode Huang <huangdaode@xxxxxxxxxxxx>
> ---
> drivers/irqchip/irq-mvebu-icu.c | 3 +--
> drivers/irqchip/irq-mvebu-pic.c | 3 +--
> drivers/irqchip/irq-stm32-exti.c | 3 +--
> drivers/irqchip/irq-ti-sci-inta.c | 3 +--
> drivers/irqchip/irq-ts4800.c | 3 +--
> 5 files changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/irqchip/irq-mvebu-icu.c
> b/drivers/irqchip/irq-mvebu-icu.c index 547045d..ddf9b0d 100644
> --- a/drivers/irqchip/irq-mvebu-icu.c
> +++ b/drivers/irqchip/irq-mvebu-icu.c
> @@ -357,8 +357,7 @@ static int mvebu_icu_probe(struct platform_device
> *pdev)
>
> icu->dev = &pdev->dev;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - icu->base = devm_ioremap_resource(&pdev->dev, res);
> + icu->base = devm_platform_ioremap_resource(pdev, res);

void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index)

What could possibly go wrong? I'd suggest you start compiling (and possibly
testing) the code you change before sending patches...

M.
--
Jazz is not dead. It just smells funny...