linux-kernel - [PATCH 4.9 41/42] MIPS: loongson32: ls1c: Fix hang during startup

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Message-Id: <20220913140344.468916704@linuxfoundation.org>
Date:   Tue, 13 Sep 2022 16:08:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yang Ling <gnaygnil@...il.com>,
        Keguang Zhang <keguang.zhang@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 41/42] MIPS: loongson32: ls1c: Fix hang during startup

From: Yang Ling <gnaygnil@...il.com>

[ Upstream commit 35508d2424097f9b6a1a17aac94f702767035616 ]

The RTCCTRL reg of LS1C is obselete.
Writing this reg will cause system hang.

Fixes: 60219c563c9b6 ("MIPS: Add RTC support for Loongson1C board")
Signed-off-by: Yang Ling <gnaygnil@...il.com>
Tested-by: Keguang Zhang <keguang.zhang@...il.com>
Acked-by: Keguang Zhang <keguang.zhang@...il.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/loongson32/ls1c/board.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/mips/loongson32/ls1c/board.c b/arch/mips/loongson32/ls1c/board.c
index a96bed5e3ea60..ac1c5e6572d5f 100644
--- a/arch/mips/loongson32/ls1c/board.c
+++ b/arch/mips/loongson32/ls1c/board.c
@@ -18,7 +18,6 @@ static struct platform_device *ls1c_platform_devices[] __initdata = {
 static int __init ls1c_platform_init(void)
 {
 	ls1x_serial_set_uartclk(&ls1x_uart_pdev);
-	ls1x_rtc_set_extclk(&ls1x_rtc_pdev);
 
 	return platform_add_devices(ls1c_platform_devices,
 				   ARRAY_SIZE(ls1c_platform_devices));
-- 
2.35.1