[PATCH v2] avr32: replace simple_strtoul() with kstrtoul()

[Ramkumar Ramachandra]

simple_strtoul() is marked for obsoletion; use the newer and more
pleasant kstrtoul() in its place.

Cc: Alexey Dobriyan <adobri...@gmail.com>
Cc: Haavard Skinnemoen <hskinnem...@gmail.com>
Cc: Hans-Christian Egtvedt <egtv...@samfundet.no>
Signed-off-by: Ramkumar Ramachandra <artag...@gmail.com>
---
 arch/avr32/kernel/cpu.c | 48 ++++++++++++++++++++++++++----------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c
index 2233be7..20ce2c0 100644
--- a/arch/avr32/kernel/cpu.c
+++ b/arch/avr32/kernel/cpu.c
@@ -39,10 +39,12 @@ static ssize_t store_pc0event(struct device *dev,
                              size_t count)
 {
        unsigned long val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf || val > 0x3f)
+       ret = kstrtoul(buf, 0, &val);
+       if (ret)
+               return ret;
+       if (val > 0x3f)
                return -EINVAL;
        val = (val << 12) | (sysreg_read(PCCR) & 0xfffc0fff);
        sysreg_write(PCCR, val);
@@ -61,11 +63,11 @@ static ssize_t store_pc0count(struct device *dev,
                                const char *buf, size_t count)
 {
        unsigned long val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf)
-               return -EINVAL;
+       ret = kstroul(buf, 0, &val);
+       if (ret)
+               return ret;
        sysreg_write(PCNT0, val);
 
        return count;
@@ -84,10 +86,12 @@ static ssize_t store_pc1event(struct device *dev,
                              size_t count)
 {
        unsigned long val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf || val > 0x3f)
+       ret = kstrtoul(buf, 0, &val);
+       if (ret)
+               return ret;
+       if (val > 0x3f)
                return -EINVAL;
        val = (val << 18) | (sysreg_read(PCCR) & 0xff03ffff);
        sysreg_write(PCCR, val);
@@ -106,11 +110,11 @@ static ssize_t store_pc1count(struct device *dev,
                              size_t count)
 {
        unsigned long val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf)
-               return -EINVAL;
+       ret = kstrtoul(buf, 0, &val);
+       if (ret)
+               return ret;
        sysreg_write(PCNT1, val);
 
        return count;
@@ -129,11 +133,11 @@ static ssize_t store_pccycles(struct device *dev,
                              size_t count)
 {
        unsigned long val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf)
-               return -EINVAL;
+       ret = kstrtoul(buf, 0, &val);
+       if (ret)
+               return ret;
        sysreg_write(PCCNT, val);
 
        return count;
@@ -152,11 +156,11 @@ static ssize_t store_pcenable(struct device *dev,
                              size_t count)
 {
        unsigned long pccr, val;
-       char *endp;
+       int ret;
 
-       val = simple_strtoul(buf, &endp, 0);
-       if (endp == buf)
-               return -EINVAL;
+       ret = kstrtoul(buf, 0, &val);
+       if (ret)
+               return ret;
        if (val)
                val = 1;
 
-- 
1.9.0.431.g014438b

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