[MIPS] Au1xx0 code sets incorrect mips_hpt_frequency

Alchemy CPU counter ticks at the full CPU clock speed.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index 94f09194d63d..7313ef234d8c 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -231,7 +231,6 @@ wakeup_counter0_set(int ticks)
  */
 unsigned long cal_r4koff(void)
 {
-        unsigned long count;
         unsigned long cpu_speed;
         unsigned long flags;
         unsigned long counter;
@@ -258,7 +257,7 @@ unsigned long cal_r4koff(void)
 
 #if defined(CONFIG_AU1000_USE32K)
                 {
-                        unsigned long start, end;
+                        unsigned long start, end, count;
 
                         start = au_readl(SYS_RTCREAD);
                         start += 2;
@@ -282,7 +281,6 @@ unsigned long cal_r4koff(void)
 #else
                 cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) *
                         AU1000_SRC_CLK;
-                count = cpu_speed / 2;
 #endif
         }
         else {
@@ -291,10 +289,9 @@ unsigned long cal_r4koff(void)
                  * NOTE: some old silicon doesn't allow reading the PLL.
                  */
                 cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK;
-                count = cpu_speed / 2;
                 no_au1xxx_32khz = 1;
         }
-        mips_hpt_frequency = count;
+        mips_hpt_frequency = cpu_speed;
         // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16)
         set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
         spin_unlock_irqrestore(&time_lock, flags);