aboutsummaryrefslogtreecommitdiff
path: root/drivers/platform/x86/intel_ips.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/intel_ips.c')
-rw-r--r--drivers/platform/x86/intel_ips.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index 85c8ad43c0c..5ffe7c39814 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -344,6 +344,19 @@ struct ips_driver {
static bool
ips_gpu_turbo_enabled(struct ips_driver *ips);
+#ifndef readq
+static inline __u64 readq(const volatile void __iomem *addr)
+{
+ const volatile u32 __iomem *p = addr;
+ u32 low, high;
+
+ low = readl(p);
+ high = readl(p + 1);
+
+ return low + ((u64)high << 32);
+}
+#endif
+
/**
* ips_cpu_busy - is CPU busy?
* @ips: IPS driver struct