avr32: replace simple_strtoul() with kstrtoul()

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

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>

diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c
index 2233be71e2e8cf7e8b62789eb6a5a7ba864d001e..0341ae27c9ec57fd06eaf88776db6ae83444c96e 100644 (file)
--- 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 = kstrtoul(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;