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

From: Greg Kroah-Hartman
Date: Tue Sep 13 2022 - 12:59:31 EST


From: Yang Ling <gnaygnil@xxxxxxxxx>

[ 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@xxxxxxxxx>
Tested-by: Keguang Zhang <keguang.zhang@xxxxxxxxx>
Acked-by: Keguang Zhang <keguang.zhang@xxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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