Commit a51ba284 authored by Sanjeev Premi's avatar Sanjeev Premi Committed by Paul Walmsley

OMAP3 clock: Check return values for clk_get()

This patch checks if clk_get() returned success for
the clocks used in function omap2_clk_arch_init().

This version incorporates review comments from
Kevin Hilman and Paul Walmsley.
Signed-off-by: default avatarSanjeev Premi <premi@ti.com>
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent 3cc4a2fc
......@@ -21,6 +21,7 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/err.h>
#include <plat/cpu.h>
#include <plat/clock.h>
......@@ -286,6 +287,7 @@ static int __init omap3xxx_clk_arch_init(void)
{
struct clk *osc_sys_ck, *dpll1_ck, *arm_fck, *core_ck;
unsigned long osc_sys_rate;
bool err = 0;
if (!cpu_is_omap34xx())
return 0;
......@@ -295,9 +297,23 @@ static int __init omap3xxx_clk_arch_init(void)
/* XXX test these for success */
dpll1_ck = clk_get(NULL, "dpll1_ck");
if (WARN(IS_ERR(dpll1_ck), "Failed to get dpll1_ck.\n"))
err = 1;
arm_fck = clk_get(NULL, "arm_fck");
if (WARN(IS_ERR(arm_fck), "Failed to get arm_fck.\n"))
err = 1;
core_ck = clk_get(NULL, "core_ck");
if (WARN(IS_ERR(core_ck), "Failed to get core_ck.\n"))
err = 1;
osc_sys_ck = clk_get(NULL, "osc_sys_ck");
if (WARN(IS_ERR(osc_sys_ck), "Failed to get osc_sys_ck.\n"))
err = 1;
if (err)
return -ENOENT;
/* REVISIT: not yet ready for 343x */
if (clk_set_rate(dpll1_ck, mpurate))
......
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