From 799d3379a6728794de5ed2be8acc5b4a65d776b6 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 28 Nov 2018 13:45:32 +0200 Subject: platform/x86: i2c-multi-instantiate: Introduce IOAPIC IRQ support 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 Reviewed-by: Heikki Krogerus Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/platform/x86') diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 99db3e336718..365457f9c424 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; -- cgit v1.2.3