If a piece of hardware is disabled in ACPI it shouldn't be added to the
bus. Add code to handle this similar to other buses like SPI/I2C.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 drivers/soundwire/slave.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
index f5a3ca3b9dda4..ff763b692078d 100644
--- a/drivers/soundwire/slave.c
+++ b/drivers/soundwire/slave.c
@@ -115,6 +115,9 @@ static bool find_slave(struct sdw_bus *bus,
 	u64 addr;
 	int ret;
 
+	if (acpi_bus_get_status(adev) || !acpi_dev_ready_for_enumeration(adev))
+		return false;
+
 	ret = acpi_get_local_u64_address(adev->handle, &addr);
 	if (ret < 0)
 		return false;
-- 
2.47.3

On Mon, 23 Feb 2026 09:20:48 +0000, Charles Keepax wrote:
> If a piece of hardware is disabled in ACPI it shouldn't be added to the
> bus. Add code to handle this similar to other buses like SPI/I2C.
> 
> 

Applied, thanks!

[1/1] soundwire: slave: Don't register devices that are disabled in ACPI
      commit: de67b4ea168f01dac24e328aab6be0802a5c96f6

Best regards,
-- 
~Vinod

On 2/23/26 10:20, Charles Keepax wrote:
> If a piece of hardware is disabled in ACPI it shouldn't be added to the
> bus. Add code to handle this similar to other buses like SPI/I2C.
> 
> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>

Makes sense!

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>

> ---
>  drivers/soundwire/slave.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
> index f5a3ca3b9dda4..ff763b692078d 100644
> --- a/drivers/soundwire/slave.c
> +++ b/drivers/soundwire/slave.c
> @@ -115,6 +115,9 @@ static bool find_slave(struct sdw_bus *bus,
>  	u64 addr;
>  	int ret;
>  
> +	if (acpi_bus_get_status(adev) || !acpi_dev_ready_for_enumeration(adev))
> +		return false;
> +
>  	ret = acpi_get_local_u64_address(adev->handle, &addr);
>  	if (ret < 0)
>  		return false;