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Commit 01cd4bac authored by Zhang Rui's avatar Zhang Rui Committed by Rafael J. Wysocki
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ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list 



The "serial" PNP driver supports some "unknown" PNP modems
(PNPCXXX/PNPDXXX) by matching magic strings in the PNP device name
or the PNP device card name.

ACPI enumerated PNP devices neither are PNP cards, nor have those
magic strings in device names, so this mechamism never actually works
for ACPI enumerated PNPCXXX/PNPDXXX devices.

Consequently, it is safe to remove those two IDs from the PNP ACPI scan
handler's device ID list.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
[rjw: Subject and changelog]
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent e1d2c4cf

drivers/acpi/acpi_pnp.c

+0 −2
Original line number Diff line number Diff line
@@ -301,8 +301,6 @@ static const struct acpi_device_id acpi_pnp_device_ids[] = { 
	{"LTS0001"},		/* LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in disguise) */

	{"WCI0003"},		/* Rockwell's (PORALiNK) 33600 INT PNP */

	{"WEC1022"},		/* Winbond CIR port, should not be probed. We should keep track of it to prevent the legacy serial driver from probing it */

	{"PNPCXXX"},		/* Unknown PnP modems */

	{"PNPDXXX"},		/* More unknown PnP modems */

	/* scl200wdt */

	{"NSC0800"},		/* National Semiconductor PC87307/PC97307 watchdog component */

	/* mpu401 */