From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: wsa@the-dreams.de, jarkko.nikula@linux.intel.com,
andriy.shevchenko@linux.intel.com, linux-i2c@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
benjamin.tissoires@redhat.com, jbroadus@gmail.com,
patches@opensource.cirrus.com
Subject: Re: [PATCH v2 2/6] i2c: acpi: Use available IRQ helper functions
Date: Tue, 28 May 2019 13:30:28 +0300 [thread overview]
Message-ID: <20190528103028.GA2781@lahna.fi.intel.com> (raw)
In-Reply-To: <20190527151932.14310-2-ckeepax@opensource.cirrus.com>
On Mon, May 27, 2019 at 04:19:28PM +0100, Charles Keepax wrote:
> static int i2c_acpi_get_info(struct acpi_device *adev,
> struct i2c_board_info *info,
> struct i2c_adapter *adapter,
> acpi_handle *adapter_handle)
> {
> struct list_head resource_list;
> - struct resource_entry *entry;
> struct i2c_acpi_lookup lookup;
> + int irq = -ENOENT;
> int ret;
>
> memset(&lookup, 0, sizeof(lookup));
> @@ -176,16 +187,13 @@ static int i2c_acpi_get_info(struct acpi_device *adev,
>
> /* Then fill IRQ number if any */
> INIT_LIST_HEAD(&resource_list);
> - ret = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
> + ret = acpi_dev_get_resources(adev, &resource_list,
> + i2c_acpi_add_resource, &irq);
> if (ret < 0)
> return -EINVAL;
>
> - resource_list_for_each_entry(entry, &resource_list) {
> - if (resource_type(entry->res) == IORESOURCE_IRQ) {
> - info->irq = entry->res->start;
> - break;
> - }
> - }
> + if (irq >= 0)
Since 0 is not valid IRQ, I think this should be written like:
if (irg > 0)
> + info->irq = irq;
>
> acpi_dev_free_resource_list(&resource_list);
>
> --
> 2.11.0
next prev parent reply other threads:[~2019-05-28 10:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-27 15:19 [PATCH v2 1/6] i2c: core: Allow whole core to use i2c_dev_irq_from_resources Charles Keepax
2019-05-27 15:19 ` [PATCH v2 2/6] i2c: acpi: Use available IRQ helper functions Charles Keepax
2019-05-28 10:30 ` Mika Westerberg [this message]
2019-05-28 11:13 ` Charles Keepax
2019-05-27 15:19 ` [PATCH v2 3/6] i2c: acpi: Factor out getting the IRQ from ACPI Charles Keepax
2019-05-28 8:37 ` Charles Keepax
2019-05-28 10:35 ` Mika Westerberg
2019-05-27 15:19 ` [PATCH v2 4/6] i2c: core: Move ACPI IRQ handling to probe time Charles Keepax
2019-05-27 15:19 ` [PATCH v2 5/6] i2c: core: Move ACPI gpio IRQ handling into i2c_acpi_get_irq Charles Keepax
2019-05-27 15:19 ` [PATCH v2 6/6] i2c: core: Tidy up handling of init_irq Charles Keepax
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