linux-kernel - [PATCH] tty: Replace acpi_bus_get

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Date:   Wed, 26 Jan 2022 20:55:39 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Rob Herring <robh@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        Jiri Slaby <jirislaby@...nel.org>, linux-serial@...r.kernel.org
Subject: [PATCH] tty: Replace acpi_bus_get_device()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/tty/serdev/core.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Index: linux-pm/drivers/tty/serdev/core.c
===================================================================
--- linux-pm.orig/drivers/tty/serdev/core.c
+++ linux-pm/drivers/tty/serdev/core.c
@@ -704,13 +704,10 @@ static const struct acpi_device_id serde
 static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level,
 					  void *data, void **return_value)
 {
+	struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
 	struct serdev_controller *ctrl = data;
-	struct acpi_device *adev;
 
-	if (acpi_bus_get_device(handle, &adev))
-		return AE_OK;
-
-	if (acpi_device_enumerated(adev))
+	if (!adev || acpi_device_enumerated(adev))
 		return AE_OK;
 
 	/* Skip if black listed */