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path: root/drivers/platform/x86/serial-multi-instantiate.c
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Diffstat (limited to 'drivers/platform/x86/serial-multi-instantiate.c')
-rw-r--r--drivers/platform/x86/serial-multi-instantiate.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c
index db030b0f176a..1a369334f9cb 100644
--- a/drivers/platform/x86/serial-multi-instantiate.c
+++ b/drivers/platform/x86/serial-multi-instantiate.c
@@ -22,6 +22,7 @@
#define IRQ_RESOURCE_GPIO 1
#define IRQ_RESOURCE_APIC 2
#define IRQ_RESOURCE_AUTO 3
+#define IRQ_RESOURCE_OPT BIT(2)
enum smi_bus_type {
SMI_I2C,
@@ -64,6 +65,10 @@ static int smi_get_irq(struct platform_device *pdev, struct acpi_device *adev,
dev_dbg(&pdev->dev, "Using platform irq\n");
break;
}
+ if (inst->flags & IRQ_RESOURCE_OPT) {
+ dev_dbg(&pdev->dev, "No irq\n");
+ return 0;
+ }
break;
case IRQ_RESOURCE_GPIO:
ret = acpi_dev_gpio_irq_get(adev, inst->irq_idx);
@@ -386,10 +391,10 @@ static const struct smi_node cs35l57_hda = {
static const struct smi_node tas2781_hda = {
.instances = {
- { "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
- { "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
- { "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
- { "tas2781-hda", IRQ_RESOURCE_AUTO, 0 },
+ { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 },
+ { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 },
+ { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 },
+ { "tas2781-hda", IRQ_RESOURCE_AUTO | IRQ_RESOURCE_OPT, 0 },
{}
},
.bus_type = SMI_AUTO_DETECT,