[PATCH v3 1/1] platform/x86: serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ missing projects
From: Baojun Xu
Date: Wed Nov 26 2025 - 03:19:09 EST
Add IRQ_RESOURCE_OPT for compatible IRQ missing cases.
Signed-off-by: Baojun Xu <baojun.xu@xxxxxx>
---
v3:
- Add IRQ_RESOURCE_OPT for IRQ missing cases.
v2:
- Remove error ignore, change to AUTO compatible with NONE.
---
drivers/platform/x86/serial-multi-instantiate.c | 13 +++++++++----
1 file 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,
--
2.25.1