wan: Use usleep_range()

Instead of using a jiffies hack we can use the standard api for delays.

Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index bcfff0d62de4..02f6d1cebc15 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -26,6 +26,7 @@
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/delay.h>
 #include <linux/if.h>
 #include <linux/hdlc.h>
 #include <asm/io.h>
@@ -678,7 +679,6 @@ static inline void
 fst_cpureset(struct fst_card_info *card)
 {
         unsigned char interrupt_line_register;
-        unsigned long j = jiffies + 1;
         unsigned int regval;
 
         if (card->family == FST_FAMILY_TXU) {
@@ -696,16 +696,12 @@ fst_cpureset(struct fst_card_info *card)
                 /*
                  * We are delaying here to allow the 9054 to reset itself
                  */
-                j = jiffies + 1;
-                while (jiffies < j)
-                        /* Do nothing */ ;
+                usleep_range(10, 20);
                 outw(0x240f, card->pci_conf + CNTRL_9054 + 2);
                 /*
                  * We are delaying here to allow the 9054 to reload its eeprom
                  */
-                j = jiffies + 1;
-                while (jiffies < j)
-                        /* Do nothing */ ;
+                usleep_range(10, 20);
                 outw(0x040f, card->pci_conf + CNTRL_9054 + 2);
 
                 if (pci_write_config_byte