fix typos "precidence" -> "precedence" in comments

This patch was generated by

	git grep -E -i -l 'precidence' | xargs -r perl -p -i -e 's/precidence/precedence/'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/arm/boot/bootp/init.S b/arch/arm/boot/bootp/init.S
index df7bc70..8b0de41 100644
--- a/arch/arm/boot/bootp/init.S
+++ b/arch/arm/boot/bootp/init.S
@@ -49,7 +49,7 @@
 /*
  * find the end of the tag list, and then add an INITRD tag on the end.
  * If there is already an INITRD tag, then we ignore it; the last INITRD
- * tag takes precidence.
+ * tag takes precedence.
  */
 taglist:	ldr	r10, [r9, #0]		@ tag length
 		teq	r10, #0			@ last tag (zero length)?
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c
index aae5bc0..6f29b5c 100644
--- a/arch/arm/common/clkdev.c
+++ b/arch/arm/common/clkdev.c
@@ -32,7 +32,7 @@
  *  If an entry has a device ID, it must match
  *  If an entry has a connection ID, it must match
  * Then we take the most specific entry - with the following
- * order of precidence: dev+con > dev only > con only.
+ * order of precedence: dev+con > dev only > con only.
  */
 static struct clk *clk_find(const char *dev_id, const char *con_id)
 {
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 83da5de..e9fa1bfe 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -404,7 +404,7 @@
  *  If an entry has a device ID, it must match
  *  If an entry has a connection ID, it must match
  * Then we take the most specific entry - with the following
- * order of precidence: dev+con > dev only > con only.
+ * order of precedence: dev+con > dev only > con only.
  */
 static struct clk *clk_find(const char *dev_id, const char *con_id)
 {
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 873e55f..89eae67 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -442,7 +442,7 @@
 
 	/*
 	 * We use PATH to find perf commands, but we prepend some higher
-	 * precidence paths: the "--exec-path" option, the PERF_EXEC_PATH
+	 * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH
 	 * environment, and the $(perfexecdir) from the Makefile at build
 	 * time.
 	 */