Commit 5ad29ea2 authored Sep 21, 2012 by Will Deacon

ARM: hw_breakpoint: make boot quieter without CPUID feature registers



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>

parent 7f4050a0

arch/arm/kernel/hw_breakpoint.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -136,7 +136,7 @@ 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. "
		pr_warn_once("CPUID feature registers not supported. "
		"Assuming v6 debug is present.\n");
		return ARM_DEBUG_ARCH_V6;
		}