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[v1,11/15] platform/x86: i2c-multi-instantiate: Introduce IOAPIC IRQ support

Message ID 20181120155924.10773-12-andriy.shevchenko@linux.intel.com
State Superseded
Headers show
Series i2c-multi-instantiate: Adapt for INT3515 and alike | expand

Commit Message

Andy Shevchenko Nov. 20, 2018, 3:59 p.m. UTC 
If ACPI table provides an Interrupt() resource we may consider to use it
instead of GpioInt() one.

Here we leave an error condition, when getting IRQ resource, to the driver
to decide how to proceed, because some drivers may consider IRQ resource
optional.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/platform/x86/i2c-multi-instantiate.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c
index 336ef28e072d..3334fafb4d8c 100644
--- a/drivers/platform/x86/i2c-multi-instantiate.c
+++ b/drivers/platform/x86/i2c-multi-instantiate.c
@@ -18,6 +18,7 @@ 
 #define IRQ_RESOURCE_TYPE	GENMASK(1, 0)
 #define IRQ_RESOURCE_NONE	0
 #define IRQ_RESOURCE_GPIO	1
+#define IRQ_RESOURCE_APIC	2
 
 struct i2c_inst_data {
 	const char *type;
@@ -104,6 +105,14 @@  static int i2c_multi_inst_probe(struct platform_device *pdev)
 			}
 			board_info.irq = ret;
 			break;
+		case IRQ_RESOURCE_APIC:
+			ret = platform_get_irq(pdev, inst_data[i].irq_idx);
+			if (ret < 0) {
+				dev_dbg(dev, "Error requesting irq at index %d: %d\n",
+					inst_data[i].irq_idx, ret);
+			}
+			board_info.irq = ret;
+			break;
 		default:
 			board_info.irq = 0;
 			break;