linux-kernel - [PATCH AUTOSEL 6.0 01/32] crypto: qcom-rng - Fix qcom_rng_of

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Date:   Mon, 17 Oct 2022 20:06:58 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        kernel test robot <lkp@...el.com>,
        Vinod Koul <vkoul@...nel.org>, Sasha Levin <sashal@...nel.org>,
        agross@...nel.org, andersson@...nel.org, davem@...emloft.net,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: [PATCH AUTOSEL 6.0 01/32] crypto: qcom-rng - Fix qcom_rng_of_match unused warning

From: Herbert Xu <herbert@...dor.apana.org.au>

[ Upstream commit 882aa6525cabcfa0cea61e1a19c9af4c543118ac ]

Module device tables need to be declared as maybe_unused because
they will be unused when built-in and the corresponding option is
also disabled.

This patch adds the maybe_unused attributes to OF and ACPI.  This
also allows us to remove the ifdef around the ACPI data structure.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Reviewed-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/crypto/qcom-rng.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/qcom-rng.c b/drivers/crypto/qcom-rng.c
index 031b5f701a0a..72dd1a4ebac4 100644
--- a/drivers/crypto/qcom-rng.c
+++ b/drivers/crypto/qcom-rng.c
@@ -9,6 +9,7 @@
 #include <linux/crypto.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -201,15 +202,13 @@ static int qcom_rng_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#if IS_ENABLED(CONFIG_ACPI)
-static const struct acpi_device_id qcom_rng_acpi_match[] = {
+static const struct acpi_device_id __maybe_unused qcom_rng_acpi_match[] = {
 	{ .id = "QCOM8160", .driver_data = 1 },
 	{}
 };
 MODULE_DEVICE_TABLE(acpi, qcom_rng_acpi_match);
-#endif
 
-static const struct of_device_id qcom_rng_of_match[] = {
+static const struct of_device_id __maybe_unused qcom_rng_of_match[] = {
 	{ .compatible = "qcom,prng", .data = (void *)0},
 	{ .compatible = "qcom,prng-ee", .data = (void *)1},
 	{}
-- 
2.35.1