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Message-ID: <e7632dd4-6009-53f3-e61a-ccb15d9f88f3@huawei.com>
Date: Sat, 19 Oct 2024 14:47:24 +0800
From: Hanjun Guo <guohanjun@...wei.com>
To: Min-Hua Chen <minhuadotchen@...il.com>, Lorenzo Pieralisi
<lpieralisi@...nel.org>, Sudeep Holla <sudeep.holla@....com>, "Rafael J.
Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>
CC: <linux-acpi@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] acpi/arm64: remove unnecessary cast
On 2024/9/18 7:38, Min-Hua Chen wrote:
> DEFINE_RES_IRQ returns struct resource type, so it is
> unnecessary to cast it to struct resource.
>
> Remove the unnecessary cast to fix the following sparse warnings:
>
> drivers/acpi/arm64/gtdt.c:355:19: sparse: warning: cast to non-scalar
> drivers/acpi/arm64/gtdt.c:355:19: sparse: warning: cast from non-scalar
>
> No functional changes intended.
>
> Signed-off-by: Min-Hua Chen <minhuadotchen@...il.com>
> ---
> drivers/acpi/arm64/gtdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c
> index c0e77c1c8e09..24bd479de91f 100644
> --- a/drivers/acpi/arm64/gtdt.c
> +++ b/drivers/acpi/arm64/gtdt.c
> @@ -352,7 +352,7 @@ static int __init gtdt_import_sbsa_gwdt(struct acpi_gtdt_watchdog *wd,
> }
>
> irq = map_gt_gsi(wd->timer_interrupt, wd->timer_flags);
> - res[2] = (struct resource)DEFINE_RES_IRQ(irq);
> + res[2] = DEFINE_RES_IRQ(irq);
> if (irq <= 0) {
> pr_warn("failed to map the Watchdog interrupt.\n");
> nr_res--;
>
It's a minor issue, but I think it deserves a patch to make
the code cleaner,
Acked-by: Hanjun Guo <guohanjun@...wei.com>
Thanks
Hanjun
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