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[ARM] 4237/2: oprofile: Always allow backtraces on ARM

Always allow backtrace when using oprofile on ARM, even if a PMU
isn't present.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

authored by Richard Purdie and committed by Russell King 1b7b5698 14fca61a

+2 -1
unified split
+2 -1
arch/arm/oprofile/common.c
··· 131 struct op_arm_model_spec *spec = NULL; 132 int ret = -ENODEV; 133 134 #ifdef CONFIG_CPU_XSCALE 135 spec = &op_xscale_spec; 136 #endif ··· 163 ops->start = op_arm_start; 164 ops->stop = op_arm_stop; 165 ops->cpu_type = op_arm_model->name; 166 - ops->backtrace = arm_backtrace; 167 printk(KERN_INFO "oprofile: using %s\n", spec->name); 168 } 169
··· 131 struct op_arm_model_spec *spec = NULL; 132 int ret = -ENODEV; 133 134 + ops->backtrace = arm_backtrace; 135 + 136 #ifdef CONFIG_CPU_XSCALE 137 spec = &op_xscale_spec; 138 #endif ··· 161 ops->start = op_arm_start; 162 ops->stop = op_arm_stop; 163 ops->cpu_type = op_arm_model->name; 164 printk(KERN_INFO "oprofile: using %s\n", spec->name); 165 } 166