linux-kernel - Re: [PATCH v1 1/2] ARM:prima2: move sirfsoc_of_rstc_init to .init

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Date:	Fri, 31 May 2013 20:24:43 +0800
From:	Barry Song <21cnbao@...il.com>
To:	Srinivas KANDAGATLA <srinivas.kandagatla@...com>,
	Arnd Bergmann <arnd@...db.de>
Cc:	Barry Song <baohua.song@....com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	DL-SHA-WorkGroupLinux <workgroup.linux@....com>
Subject: Re: [PATCH v1 1/2] ARM:prima2: move sirfsoc_of_rstc_init to .init_early

2013/5/31 Srinivas KANDAGATLA <srinivas.kandagatla@...com>:
> From: Srinivas Kandagatla <srinivas.kandagatla@...com>
>
> This patch moves sirfsoc_of_rstc_init from early_initcall to .init_early
> in machine descriptor, doing this way a multi_v7 kernel will not crash
> on non-prima2 SOCs.
>
> Without this patch the multi_v7 kernel panics if we boot it on any non
> prima2 parts with below log:
>
> Kernel panic - not syncing: unable to find compatible rstc node in dtb
>
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0-rc3-00535-gc3cc4ac #62
> [<c001387c>] (unwind_backtrace+0x0/0xf8) from [<c00111cc>]
> (show_stack+0x10/0x14)
> [<c00111cc>] (show_stack+0x10/0x14) from [<c03417f4>] (panic+0x90/0x1e4)
> [<c03417f4>] (panic+0x90/0x1e4) from [<c04256d0>]
> (sirfsoc_of_rstc_init+0x24/0x5c)
> [<c04256d0>] (sirfsoc_of_rstc_init+0x24/0x5c) from [<c041f854>]
> (do_one_initcall+0x90/0x150)
> [<c041f854>] (do_one_initcall+0x90/0x150) from [<c041f978>]
> (kernel_init_freeable+0x64/0x1c4)
> [<c041f978>] (kernel_init_freeable+0x64/0x1c4) from [<c033d344>]
> (kernel_init+0x8/0xe4)
> [<c033d344>] (kernel_init+0x8/0xe4) from [<c000ded8>]
> (ret_from_fork+0x14/0x3c)
>
> Initially detected when booting Stih415 SOC with multi_v7_defconfig.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...com>

hi Sriniva,
i think my "arm: prima2: move to generic reset controller driver
framework" fixs this too:
http://www.spinics.net/lists/arm-kernel/msg246206.html

Arnd, will you ack that one so that i will send a pull request with that.

-barry
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