linux-kernel - [PATCH AUTOSEL 4.19 028/219] platform/x86: mlx-platform: Fix LED configuration

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Message-Id: <20191122054911.1750-21-sashal@kernel.org>
Date:   Fri, 22 Nov 2019 00:46:00 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Vadim Pasternak <vadimp@...lanox.com>,
        Darren Hart <dvhart@...radead.org>,
        Sasha Levin <sashal@...nel.org>,
        platform-driver-x86@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 028/219] platform/x86: mlx-platform: Fix LED configuration

From: Vadim Pasternak <vadimp@...lanox.com>

[ Upstream commit 440f343df1996302d9a3904647ff11b689bf27bc ]

Exchange LED configuration between msn201x and next generation systems
types.

Bug was introduced when LED driver activation was added to mlx-platform.
LED configuration for the three new system MQMB7, MSN37, MSN34 was
assigned to MSN21 and vice versa. This bug affects MSN21 only and
likely requires backport to v4.19.

Fixes: 1189456b1cce ("platform/x86: mlx-platform: Add LED platform driver activation")
Signed-off-by: Vadim Pasternak <vadimp@...lanox.com>
Signed-off-by: Darren Hart (VMware) <dvhart@...radead.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/platform/x86/mlx-platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index 742a0c2179256..ab1aedd72d340 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -1421,7 +1421,7 @@ static int __init mlxplat_dmi_msn201x_matched(const struct dmi_system_id *dmi)
 	mlxplat_hotplug = &mlxplat_mlxcpld_msn201x_data;
 	mlxplat_hotplug->deferred_nr =
 		mlxplat_default_channels[i - 1][MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
-	mlxplat_led = &mlxplat_default_ng_led_data;
+	mlxplat_led = &mlxplat_msn21xx_led_data;
 	mlxplat_regs_io = &mlxplat_msn21xx_regs_io_data;
 
 	return 1;
@@ -1439,7 +1439,7 @@ static int __init mlxplat_dmi_qmb7xx_matched(const struct dmi_system_id *dmi)
 	mlxplat_hotplug = &mlxplat_mlxcpld_default_ng_data;
 	mlxplat_hotplug->deferred_nr =
 		mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
-	mlxplat_led = &mlxplat_msn21xx_led_data;
+	mlxplat_led = &mlxplat_default_ng_led_data;
 	mlxplat_fan = &mlxplat_default_fan_data;
 
 	return 1;
-- 
2.20.1