Module Name: src
Committed By: jmcneill
Date: Tue Jun 12 23:08:37 UTC 2018
Modified Files:
src/sys/dev/clk: clk.c
Log Message:
If setting rate on a clock with no set_rate function, and the desired rate
matches the current rate, don't return an error.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/clk/clk.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/clk/clk.c
diff -u src/sys/dev/clk/clk.c:1.4 src/sys/dev/clk/clk.c:1.5
--- src/sys/dev/clk/clk.c:1.4 Sat Apr 28 15:20:33 2018
+++ src/sys/dev/clk/clk.c Tue Jun 12 23:08:37 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: clk.c,v 1.4 2018/04/28 15:20:33 jmcneill Exp $ */
+/* $NetBSD: clk.c,v 1.5 2018/06/12 23:08:37 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: clk.c,v 1.4 2018/04/28 15:20:33 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: clk.c,v 1.5 2018/06/12 23:08:37 jmcneill Exp $");
#include <sys/param.h>
#include <sys/sysctl.h>
@@ -208,14 +208,17 @@ clk_get_rate(struct clk *clk)
int
clk_set_rate(struct clk *clk, u_int rate)
{
- if (clk->flags & CLK_SET_RATE_PARENT) {
+ if (clk->flags & CLK_SET_RATE_PARENT)
return clk_set_rate(clk_get_parent(clk), rate);
- } else if (clk->domain->funcs->set_rate) {
+
+ if (clk->domain->funcs->set_rate)
return clk->domain->funcs->set_rate(clk->domain->priv,
clk, rate);
- } else {
- return EINVAL;
- }
+
+ if (clk_get_rate(clk) == rate)
+ return 0;
+
+ return EINVAL;
}
u_int
