From: "Rafael J. Wysocki" <rafael@kernel.org>
To: John Garry <john.garry@huawei.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Len Brown <lenb@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>,
"open list:TARGET SUBSYSTEM" <linux-scsi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linuxarm <linuxarm@huawei.com>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
dwagner@suse.de
Subject: Re: [PATCH v4 2/5] resource: Add irqresource_disabled()
Date: Tue, 1 Dec 2020 20:02:31 +0100 [thread overview]
Message-ID: <CAJZ5v0jzDSQ8URKkmBYh0P79P3v5OHCwgssnkyVMk1jpZ=DWyQ@mail.gmail.com> (raw)
In-Reply-To: <1606757759-6076-3-git-send-email-john.garry@huawei.com>
On Mon, Nov 30, 2020 at 6:41 PM John Garry <john.garry@huawei.com> wrote:
>
> Add a common function to set the fields for a irq resource to disabled,
> which mimics what is done in acpi_dev_irqresource_disabled(), with a view
> to replace that function.
>
> Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
> include/linux/ioport.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 5135d4b86cd6..f9bf374f9633 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -307,6 +307,13 @@ struct resource *devm_request_free_mem_region(struct device *dev,
> struct resource *request_free_mem_region(struct resource *base,
> unsigned long size, const char *name);
>
> +static inline void irqresource_disabled(struct resource *res, u32 irq)
> +{
> + res->start = irq;
> + res->end = irq;
> + res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
> +}
> +
> #ifdef CONFIG_IO_STRICT_DEVMEM
> void revoke_devmem(struct resource *res);
> #else
> --
> 2.26.2
>
next prev parent reply other threads:[~2020-12-01 19:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 17:35 [PATCH v4 0/5] Support managed interrupts for platform devices John Garry
2020-11-30 17:35 ` [PATCH v4 1/5] genirq/affinity: Add irq_update_affinity_desc() John Garry
2020-11-30 23:19 ` Thomas Gleixner
2020-12-01 15:22 ` John Garry
2020-12-01 17:28 ` Thomas Gleixner
2020-11-30 17:35 ` [PATCH v4 2/5] resource: Add irqresource_disabled() John Garry
2020-12-01 19:02 ` Rafael J. Wysocki [this message]
2020-11-30 17:35 ` [PATCH v4 3/5] ACPI: Drop acpi_dev_irqresource_disabled() John Garry
2020-12-01 19:01 ` Rafael J. Wysocki
2020-11-30 17:35 ` [PATCH v4 4/5] Driver core: platform: Add devm_platform_get_irqs_affinity() John Garry
2020-11-30 17:35 ` [PATCH v4 5/5] scsi: hisi_sas: Expose HW queues for v2 hw John Garry
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