linux-kernel - boot hang issue on S5PV210 with the latest kernel

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Message-ID: <CADO9-pf0XCDqFC7qg6Fqxwa5xqBZqfYE3=O2XA+FxDV0XO1i4g@mail.gmail.com>
Date:   Tue, 6 Dec 2016 12:33:28 +0800
From:   Yong Li <sdliyong@...il.com>
To:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     YONG LI <sdliyong@...il.com>
Subject: boot hang issue on S5PV210 with the latest kernel

Hi all,

I am testing the latest kernel on my S5PV210 ARM boards. I found I
have to add the kputc debug in __armv7_mmu_cache_on in
boot/compressed/head.S:
mov r11, r3
kputc #'x'
mov r3, r11

Without the above kputc, the kernel boot hang, there is no any output on UART

Any suggestions?

Thanks,
Yong