dm: Add support for scsi/sata based devices

[oweals/u-boot.git] / include / linux / compat.h

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 59937de960a37819d8de2057de9e25b55363ebd7..533983faffc15deecff35587ae934c9c36a2f6a4 100644 (file)
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -15,7 +15,7 @@ struct p_current{
 
 extern struct p_current *current;
 
-#define ndelay(x)      udelay(1)
+#define ndelay(x)      udelay((x) < 1000 ? 1 : (x)/1000)
 
 #define dev_dbg(dev, fmt, args...)             \
        debug(fmt, ##args)
@@ -25,6 +25,8 @@ extern struct p_current *current;
        printf(fmt, ##args)
 #define dev_err(dev, fmt, args...)             \
        printf(fmt, ##args)
+#define dev_warn(dev, fmt, args...)            \
+       printf(fmt, ##args)
 #define printk printf
 #define printk_once    printf
 
@@ -130,12 +132,6 @@ static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
 static inline void led_trigger_event(struct led_trigger *trigger,
                                        enum led_brightness event) {}
 
-/* include/linux/log2.h */
-static inline int is_power_of_2(unsigned long n)
-{
-       return (n != 0 && ((n & (n - 1)) == 0));
-}
-
 /* uapi/linux/limits.h */
 #define XATTR_LIST_MAX 65536   /* size of extended attribute namelist (64k) */
 
@@ -155,8 +151,6 @@ typedef unsigned long sector_t;
 typedef unsigned long blkcnt_t;
 #endif
 
-#define ENOTSUPP       524     /* Operation is not supported */
-
 /* module */
 #define THIS_MODULE            0
 #define try_module_get(...)    1