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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2013-03-20 17:30:30 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-03-22 18:16:56 +0100
commit68a154fc53ddd3f7b33e482847a411bf54a50855 (patch)
tree893df5c21d2ee82305457032758324fdf5f3caf1 /arch/m68k
parentARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs (diff)
downloadlinux-68a154fc53ddd3f7b33e482847a411bf54a50855.tar.xz
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ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
CPU debug features like hardware break, watchpoints can be used only when the debug mode is enabled and available. Unfortunately on OMAP4 based devices, after a CPU power cycle, the debug feature gets disabled which leads to a flood of messages coming from reset_ctrl_regs() which gets called on every CPU_PM_EXIT with CPUidle enabled. So make use of warn_once() so that system is usable. Thanks to Will for pointers and Lokesh for the analysis of the issue. Tested-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/m68k')
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