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authorStephen Boyd <sboyd@codeaurora.org>2015-10-02 11:15:13 -0700
committerStephen Boyd <sboyd@codeaurora.org>2015-10-02 11:22:23 -0700
commit9f30a04d768f64280dc0c40b730746e82f298d88 (patch)
treee112853eb73627ed7b9a2ef8e4feab6685a0200e /include/linux/coresight.h
parent9e294bf88a583825a413df408b9fe9e658fb93ac (diff)
parent7aba4f5201d1b7b3ddb0b03883d9edf69851ddad (diff)
downloadlinux-9f30a04d768f64280dc0c40b730746e82f298d88.tar.gz
linux-9f30a04d768f64280dc0c40b730746e82f298d88.tar.xz
Merge branch 'for-4.3-rc/ti-clk-fixes' of https://github.com/t-kristo/linux-pm into clk-fixes
Pull fixes from Tero Kristo: "A few TI clock driver fixes to pull against 4.3-rc" * 'for-4.3-rc/ti-clk-fixes' of https://github.com/t-kristo/linux-pm: (3 commits) clk: ti: dflt: fix enable_reg validity check clk: ti: fix dual-registration of uart4_ick clk: ti: clk-7xx: Remove hardwired ABE clock configuration
Diffstat (limited to 'include/linux/coresight.h')
-rw-r--r--include/linux/coresight.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 3486b9082adb..c69e1b932809 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -14,6 +14,7 @@
#define _LINUX_CORESIGHT_H
#include <linux/device.h>
+#include <linux/sched.h>
/* Peripheral id registers (0xFD0-0xFEC) */
#define CORESIGHT_PERIPHIDR4 0xfd0
@@ -248,4 +249,24 @@ static inline struct coresight_platform_data *of_get_coresight_platform_data(
struct device *dev, struct device_node *node) { return NULL; }
#endif
+#ifdef CONFIG_PID_NS
+static inline unsigned long
+coresight_vpid_to_pid(unsigned long vpid)
+{
+ struct task_struct *task = NULL;
+ unsigned long pid = 0;
+
+ rcu_read_lock();
+ task = find_task_by_vpid(vpid);
+ if (task)
+ pid = task_pid_nr(task);
+ rcu_read_unlock();
+
+ return pid;
+}
+#else
+static inline unsigned long
+coresight_vpid_to_pid(unsigned long vpid) { return vpid; }
+#endif
+
#endif