[MIPS] IP22: Get rid of volatile in IP22 core code.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c
index 205554734099..8e88a442b22a 100644
--- a/arch/mips/sgi-ip22/ip22-time.c
+++ b/arch/mips/sgi-ip22/ip22-time.c
@@ -94,7 +94,7 @@ static int indy_rtc_set_time(unsigned long tim)
 static unsigned long dosample(void)
 {
         u32 ct0, ct1;
-        volatile u8 msb, lsb;
+        u8 msb, lsb;
 
         /* Start the counter. */
         sgint->tcword = (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL |
@@ -107,21 +107,21 @@ static unsigned long dosample(void)
 
         /* Latch and spin until top byte of counter2 is zero */
         do {
-                sgint->tcword = SGINT_TCWORD_CNT2 | SGINT_TCWORD_CLAT;
-                lsb = sgint->tcnt2;
-                msb = sgint->tcnt2;
+                writeb(SGINT_TCWORD_CNT2 | SGINT_TCWORD_CLAT, &sgint->tcword);
+                lsb = readb(&sgint->tcnt2);
+                msb = readb(&sgint->tcnt2);
                 ct1 = read_c0_count();
         } while (msb);
 
         /* Stop the counter. */
-        sgint->tcword = (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL |
-                         SGINT_TCWORD_MSWST);
+        writeb(sgint->tcword, (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL |
+                               SGINT_TCWORD_MSWST));
         /*
          * Return the difference, this is how far the r4k counter increments
          * for every 1/HZ seconds. We round off the nearest 1 MHz of master
          * clock (= 1000000 / HZ / 2).
          */
-        /*return (ct1 - ct0 + (500000/HZ/2)) / (500000/HZ) * (500000/HZ);*/
+
         return (ct1 - ct0) / (500000/HZ) * (500000/HZ);
 }