linux-kernel - [PATCH] serial: 8250_tegra: mark acpi_device

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Date:   Tue,  8 Mar 2022 08:41:57 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-serial@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] serial: 8250_tegra: mark acpi_device_id as unused with !ACPI

The driver's acpi_device_id table is referenced via ACPI_PTR() so it
will be unused for !CONFIG_ACPI builds:

  drivers/tty/serial/8250/8250_tegra.c:178:36:
    warning: ‘tegra_uart_acpi_match’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 drivers/tty/serial/8250/8250_tegra.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_tegra.c b/drivers/tty/serial/8250/8250_tegra.c
index e13ae18b0713..e7cddeec9d8e 100644
--- a/drivers/tty/serial/8250/8250_tegra.c
+++ b/drivers/tty/serial/8250/8250_tegra.c
@@ -175,7 +175,7 @@ static const struct of_device_id tegra_uart_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, tegra_uart_of_match);
 
-static const struct acpi_device_id tegra_uart_acpi_match[] = {
+static const struct acpi_device_id tegra_uart_acpi_match[] __maybe_unused = {
 	{ "NVDA0100", 0 },
 	{ },
 };
-- 
2.32.0