Commit 6776cf44 authored by Graf Yang's avatar Graf Yang Committed by Bryan Wu
Browse files

Blackfin arch: fix bug - Fail to boot jffs2 kernel for BF561 with SMP patch 



only if the cplb block overlapped with kernel area, this cplb need be locked

Signed-off-by: default avatarGraf Yang <graf.yang@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 6a0bfff4

arch/blackfin/kernel/cplb-nompu/cplbinit.c

+5 −4
Original line number Diff line number Diff line
@@ -188,10 +188,11 @@ static struct cplb_desc cplb_data[] = { 


static u16 __init lock_kernel_check(u32 start, u32 end)

{

	if ((end   <= (u32) _end && end   >= (u32)_stext) ||

	    (start <= (u32) _end && start >= (u32)_stext))

		return IN_KERNEL;

	if (start >= (u32)_end || end <= (u32)_stext)

		return 0;



	/* This cplb block overlapped with kernel area. */

	return IN_KERNEL;

}



static unsigned short __init

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