Pull percpu-dtc into release branch

[pandora-kernel.git] / arch / mips / sgi-ip22 / ip22-time.c

diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c
index 2055547..8e88a44 100644 (file)
--- 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);
 }