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ARM: hw_breakpoint: make boot quieter without CPUID feature registers

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Booting on a v6 core without the CPUID feature registers (e.g. 1136)
leads to a noisy dmesg complaining about their absence.

This patch changes the pr_warning into a pr_warn_once to keep the log
quieter.

Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2012-09-21 18:17:24 +01:00
parent 7f4050a07b
commit 5ad29ea24e
1 changed files with 2 additions and 2 deletions
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4
arch/arm/kernel/hw_breakpoint.c
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@ -136,8 +136,8 @@ static u8 get_debug_arch(void)
/* Do we implement the extended CPUID interface? */
if (((read_cpuid_id() >> 16) & 0xf) != 0xf) {
pr_warning("CPUID feature registers not supported. "
"Assuming v6 debug is present.\n");
pr_warn_once("CPUID feature registers not supported. "
"Assuming v6 debug is present.\n");
return ARM_DEBUG_ARCH_V6;
}