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ARM: mohawk: allow building with MMU disabled

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It is in principle possible to build an MMP kernel for
the mohawk CPU with the MMU code disabled, except for one
simple build error:

proc-mohawk.S:345: Error: invalid operands (*UND* and *UND* sections) for `|'
proc-mohawk.S:345: Error: invalid operands (*ABS* and *UND* sections) for `|'
proc-mohawk.S:345: Error: invalid operands (*UND* and *UND* sections) for `|'
proc-mohawk.S:345: Error: invalid operands (*UND* and *UND* sections) for `|'
proc-mohawk.S:345: Error: undefined symbol L_PTE_USER used as an immediate value

This patch changes the proc-mohawk code to do the same as the
other CPUs and not try to actually do anything for the
cpu_mohawk_set_pte_ext function, which won't be used anyway.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2014-04-16 09:54:02 +02:00
parent d33c43ac18
commit 0f67b87609
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mm/proc-mohawk.S
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@ -342,11 +342,13 @@ ENTRY(cpu_mohawk_switch_mm)
*/
.align 5
ENTRY(cpu_mohawk_set_pte_ext)
#ifdef CONFIG_MMU
armv3_set_pte_ext
mov r0, r0
mcr p15, 0, r0, c7, c10, 1 @ clean D entry
mcr p15, 0, r0, c7, c10, 4 @ drain WB
ret lr
#endif
.globl cpu_mohawk_suspend_size
.equ cpu_mohawk_suspend_size, 4 * 6