linux-kernel - [PATCH v2] leds: apu: fix error message on probing failure

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Message-Id: <1563797331-20993-1-git-send-email-info@metux.net>
Date:   Mon, 22 Jul 2019 14:08:51 +0200
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     linux-kernel@...r.kernel.org
Cc:     jacek.anaszewski@...il.com, pavel@....cz, dmurphy@...com,
        linux-leds@...r.kernel.org
Subject: [PATCH v2] leds: apu: fix error message on probing failure

From: Enrico Weigelt <info@...ux.net>

The current error message on failed probing tends to be a bit
misleading. Fix it to tell exactly that an APU v1 was not found.

Signed-off-by: Enrico Weigelt <info@...ux.net>
---
 drivers/leds/leds-apu.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/leds/leds-apu.c b/drivers/leds/leds-apu.c
index 451cb9f..d794f49 100644
--- a/drivers/leds/leds-apu.c
+++ b/drivers/leds/leds-apu.c
@@ -170,13 +170,9 @@ static int __init apu_led_init(void)
 	struct platform_device *pdev;
 	int err;
 
-	if (!dmi_match(DMI_SYS_VENDOR, "PC Engines")) {
-		pr_err("No PC Engines board detected\n");
-		return -ENODEV;
-	}
-	if (!(dmi_match(DMI_PRODUCT_NAME, "APU"))) {
-		pr_err("Unknown PC Engines board: %s\n",
-				dmi_get_system_info(DMI_PRODUCT_NAME));
+	if (!(dmi_match(DMI_SYS_VENDOR, "PC Engines") &&
+	      dmi_match(DMI_PRODUCT_NAME, "APU"))) {
+		pr_err("No PC Engines APUv1 board detected. For APUv2,3 support, enable CONFIG_PCENGINES_APU2\n");
 		return -ENODEV;
 	}
 
-- 
1.9.1