From: Charles Keepax <ckeepax@opensource.cirrus.com> To: <wsa@the-dreams.de>, <mika.westerberg@linux.intel.com> Cc: <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: [PATCH v2 3/6] i2c: acpi: Factor out getting the IRQ from ACPI Date: Mon, 27 May 2019 16:19:29 +0100 [thread overview] Message-ID: <20190527151932.14310-3-ckeepax@opensource.cirrus.com> (raw) In-Reply-To: <20190527151932.14310-1-ckeepax@opensource.cirrus.com> In preparation for future refactoring factor out the fetch of the IRQ into its own helper function. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> --- Changes since v1: - Update function to just return the IRQ rather than use a pointer argument. Thanks, Charles drivers/i2c/i2c-core-acpi.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 4b0387d040698..f28d702dc6a89 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -148,14 +148,30 @@ static int i2c_acpi_add_resource(struct acpi_resource *ares, void *data) return 1; /* No need to add resource to the list */ } +static int i2c_acpi_get_irq(struct acpi_device *adev) +{ + struct list_head resource_list; + int irq = -ENOENT; + int ret; + + INIT_LIST_HEAD(&resource_list); + + ret = acpi_dev_get_resources(adev, &resource_list, + i2c_acpi_add_resource, &irq); + if (ret < 0) + return -EINVAL; + + acpi_dev_free_resource_list(&resource_list); + + return irq; +} + 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 i2c_acpi_lookup lookup; - int irq = -ENOENT; int ret; memset(&lookup, 0, sizeof(lookup)); @@ -186,16 +202,9 @@ static int i2c_acpi_get_info(struct acpi_device *adev, *adapter_handle = lookup.adapter_handle; /* Then fill IRQ number if any */ - INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, - i2c_acpi_add_resource, &irq); - if (ret < 0) - return -EINVAL; - - if (irq >= 0) - info->irq = irq; - - acpi_dev_free_resource_list(&resource_list); + ret = i2c_acpi_get_irq(adev); + if (ret >= 0) + info->irq = ret; acpi_set_modalias(adev, dev_name(&adev->dev), info->type, sizeof(info->type)); -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Charles Keepax <ckeepax@opensource.cirrus.com> To: wsa@the-dreams.de, mika.westerberg@linux.intel.com Cc: 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: [PATCH v2 3/6] i2c: acpi: Factor out getting the IRQ from ACPI Date: Mon, 27 May 2019 16:19:29 +0100 [thread overview] Message-ID: <20190527151932.14310-3-ckeepax@opensource.cirrus.com> (raw) In-Reply-To: <20190527151932.14310-1-ckeepax@opensource.cirrus.com> In preparation for future refactoring factor out the fetch of the IRQ into its own helper function. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> --- Changes since v1: - Update function to just return the IRQ rather than use a pointer argument. Thanks, Charles drivers/i2c/i2c-core-acpi.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 4b0387d040698..f28d702dc6a89 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -148,14 +148,30 @@ static int i2c_acpi_add_resource(struct acpi_resource *ares, void *data) return 1; /* No need to add resource to the list */ } +static int i2c_acpi_get_irq(struct acpi_device *adev) +{ + struct list_head resource_list; + int irq = -ENOENT; + int ret; + + INIT_LIST_HEAD(&resource_list); + + ret = acpi_dev_get_resources(adev, &resource_list, + i2c_acpi_add_resource, &irq); + if (ret < 0) + return -EINVAL; + + acpi_dev_free_resource_list(&resource_list); + + return irq; +} + 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 i2c_acpi_lookup lookup; - int irq = -ENOENT; int ret; memset(&lookup, 0, sizeof(lookup)); @@ -186,16 +202,9 @@ static int i2c_acpi_get_info(struct acpi_device *adev, *adapter_handle = lookup.adapter_handle; /* Then fill IRQ number if any */ - INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, - i2c_acpi_add_resource, &irq); - if (ret < 0) - return -EINVAL; - - if (irq >= 0) - info->irq = irq; - - acpi_dev_free_resource_list(&resource_list); + ret = i2c_acpi_get_irq(adev); + if (ret >= 0) + info->irq = ret; acpi_set_modalias(adev, dev_name(&adev->dev), info->type, sizeof(info->type)); -- 2.11.0
next prev parent reply other threads:[~2019-05-27 15:20 UTC|newest] Thread overview: 18+ 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 ` Charles Keepax 2019-05-27 15:19 ` [PATCH v2 2/6] i2c: acpi: Use available IRQ helper functions Charles Keepax 2019-05-27 15:19 ` Charles Keepax 2019-05-28 10:30 ` Mika Westerberg 2019-05-28 11:13 ` Charles Keepax 2019-05-28 11:13 ` Charles Keepax 2019-05-27 15:19 ` Charles Keepax [this message] 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 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 ` 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 ` Charles Keepax 2019-05-27 15:19 ` [PATCH v2 6/6] i2c: core: Tidy up handling of init_irq Charles Keepax 2019-05-27 15:19 ` Charles Keepax
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