Re: [PATCH v3 0/1] platform/x86: serial-multi-instantiate: ACPI example code
From: Hans de Goede
Date: Wed Nov 26 2025 - 04:05:34 EST
Hi Baojun Xu,
On 26-Nov-25 9:17 AM, Baojun Xu wrote:
> The tas2781-hda supports multi-projects, In some projects,
> GpioInt was dropped due to no IRQ connection.
> See the example code below:
>
> But in smi_i2c_probe(), smi_spi_probe() (serial-multi-instantiate.c),
> if looking for IRQ by smi_get_irq() fails, it will return an error,
> will not add new device, and cause smi_probe to fail.
> So need to add an exception case for these situations.
> BTW, this patch will take effect on both I2C and SPI devices.
>
> Device (SPKR)
> {
> Name (_ADR, One)
> Name (_HID, "TXNW2781")
> Method (_CRS, 0, NotSerialized)
> {
> Name (RBUF, ResourceTemplate ()
> {
> I2cSerialBusV2 (0x0038, ...)
> I2cSerialBusV2 (0x0039, ...)
> // GpioInt (Edge, ...) { 0x0000 }
> //"GpioInt (...) {}" was commented out due to no IRQ connection.
> })
> Return (RBUF)
> }
> }
>
> Signed-off-by: Baojun Xu <baojun.xu@xxxxxx>
Thank you, the patch itself looks good, but the above information
from the cover-letter really should be in the commit message of
the patch itself.
Can you please send a v4 with this info added to the commit
message ?
Regards,
Hans
>
> Baojun Xu (1):
> platform/x86: serial-multi-instantiate: Add IRQ_RESOURCE_OPT for IRQ
> missing projects
>
> drivers/platform/x86/serial-multi-instantiate.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>