From: Charles Keepax <ckeepax@opensource.cirrus.com>
Date: Mon, 23 Feb 2026 09:20:48 +0000 (+0000)
Subject: soundwire: slave: Don't register devices that are disabled in ACPI
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=de67b4ea168f01dac24e328aab6be0802a5c96f6;p=thirdparty%2Fkernel%2Flinux.git

soundwire: slave: Don't register devices that are disabled in ACPI

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>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20260223092048.3695135-1-ckeepax@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

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;