2 files changed, 65 insertions, 35 deletions

diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 59e9344e7a0d..adaaed4ea2fb 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -2,6 +2,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/string.h>
 #include <linux/jiffies.h>
 #include <linux/timer.h>
@@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout)
         add_timer(&led_blink_timer);
 }
 
-static int led_read_proc(char *buf, char **start, off_t offset, int count,
-                         int *eof, void *data)
+static int led_proc_show(struct seq_file *m, void *v)
 {
-        int len = 0;
-
         if (get_auxio() & AUXIO_LED)
-                len = sprintf(buf, "on\n");
+                seq_puts(m, "on\n");
         else
-                len = sprintf(buf, "off\n");
+                seq_puts(m, "off\n");
+        return 0;
+}
 
-        return len;
+static int led_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, led_proc_show, NULL);
 }
 
-static int led_write_proc(struct file *file, const char __user *buffer,
-                          unsigned long count, void *data)
+static ssize_t led_proc_write(struct file *file, const char __user *buffer,
+                              size_t count, loff_t *ppos)
 {
         char *buf = NULL;
 
@@ -103,6 +105,15 @@ static int led_write_proc(struct file *file, const char __user *buffer,
         return count;
 }
 
+static const struct file_operations led_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = led_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+        .write          = led_proc_write,
+};
+
 static struct proc_dir_entry *led;
 
 #define LED_VERSION     "0.1"
@@ -112,12 +123,9 @@ static int __init led_init(void)
         init_timer(&led_blink_timer);
         led_blink_timer.function = led_blink;
 
-        led = create_proc_entry("led", 0, NULL);
+        led = proc_create("led", 0, NULL, &led_proc_fops);
         if (!led)
                 return -ENOMEM;
-
-        led->read_proc = led_read_proc; /* reader function */
-        led->write_proc = led_write_proc; /* writer function */
         led->owner = THIS_MODULE;
 
         printk(KERN_INFO
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index c299b853b5ba..3158960f3eb5 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -24,7 +24,8 @@ static inline u8 _inb(unsigned long addr)
 
         __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -35,7 +36,8 @@ static inline u16 _inw(unsigned long addr)
 
         __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -46,7 +48,8 @@ static inline u32 _inl(unsigned long addr)
 
         __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -55,21 +58,24 @@ static inline void _outb(u8 b, unsigned long addr)
 {
         __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
                              : /* no outputs */
-                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 static inline void _outw(u16 w, unsigned long addr)
 {
         __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
                              : /* no outputs */
-                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 static inline void _outl(u32 l, unsigned long addr)
 {
         __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
                              : /* no outputs */
-                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 #define inb(__addr)             (_inb((unsigned long)(__addr)))
@@ -128,7 +134,8 @@ static inline u8 _readb(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
         return ret;
 }
 
@@ -137,7 +144,8 @@ static inline u16 _readw(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -147,7 +155,8 @@ static inline u32 _readl(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -157,7 +166,8 @@ static inline u64 _readq(const volatile void __iomem *addr)
 
         __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 
         return ret;
 }
@@ -166,28 +176,32 @@ static inline void _writeb(u8 b, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
                              : /* no outputs */
-                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 static inline void _writew(u16 w, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
                              : /* no outputs */
-                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 static inline void _writel(u32 l, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
                              : /* no outputs */
-                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 static inline void _writeq(u64 q, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
                              : /* no outputs */
-                             : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+                             : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+                             : "memory");
 }
 
 #define readb(__addr)           _readb(__addr)
@@ -299,7 +313,8 @@ static inline u8 _sbus_readb(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 
         return ret;
 }
@@ -310,7 +325,8 @@ static inline u16 _sbus_readw(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 
         return ret;
 }
@@ -321,7 +337,8 @@ static inline u32 _sbus_readl(const volatile void __iomem *addr)
 
         __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 
         return ret;
 }
@@ -332,7 +349,8 @@ static inline u64 _sbus_readq(const volatile void __iomem *addr)
 
         __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
                              : "=r" (ret)
-                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 
         return ret;
 }
@@ -341,28 +359,32 @@ static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
                              : /* no outputs */
-                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 }
 
 static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
                              : /* no outputs */
-                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 }
 
 static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
                              : /* no outputs */
-                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 }
 
 static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
 {
         __asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
                              : /* no outputs */
-                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+                             : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+                             : "memory");
 }
 
 #define sbus_readb(__addr)              _sbus_readb(__addr)