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authorDavid S. Miller <davem@davemloft.net>2020-01-19 22:10:04 +0100
committerDavid S. Miller <davem@davemloft.net>2020-01-19 22:10:04 +0100
commitb3f7e3f23a763ccaae7b52d88d2c91e66c80d406 (patch)
treee00e90eb161305ed9895315ba12e30ac17de9523 /drivers/tty
parent4ee9e6e027c06eb1dd1cdbe025d461e407ece755 (diff)
parent7008ee121089b8193aea918b98850fe87d996508 (diff)
downloadlinux-b3f7e3f23a763ccaae7b52d88d2c91e66c80d406.tar.gz
Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serdev/core.c10
-rw-r--r--drivers/tty/tty_port.c3
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 226adeec2aed..ce5309d00280 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -663,6 +663,12 @@ static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl,
 	return AE_OK;
 }
 
+static const struct acpi_device_id serdev_acpi_devices_blacklist[] = {
+	{ "INT3511", 0 },
+	{ "INT3512", 0 },
+	{ },
+};
+
 static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level,
 					  void *data, void **return_value)
 {
@@ -675,6 +681,10 @@ static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level,
 	if (acpi_device_enumerated(adev))
 		return AE_OK;
 
+	/* Skip if black listed */
+	if (!acpi_match_device_ids(adev, serdev_acpi_devices_blacklist))
+		return AE_OK;
+
 	if (acpi_serdev_check_resources(ctrl, adev))
 		return AE_OK;
 
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 5023c85ebc6e..044c3cbdcfa4 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -89,8 +89,7 @@ void tty_port_link_device(struct tty_port *port,
 {
 	if (WARN_ON(index >= driver->num))
 		return;
-	if (!driver->ports[index])
-		driver->ports[index] = port;
+	driver->ports[index] = port;
 }
 EXPORT_SYMBOL_GPL(tty_port_link_device);