static int ql_adapter_reset(struct ql_adapter *qdev)
{
u32 value;
- int max_wait_time;
int status = 0;
- int resetCnt = 0;
+ unsigned long end_jiffies = jiffies +
+ max((unsigned long)1, usecs_to_jiffies(30));
-#define MAX_RESET_CNT 1
-issueReset:
- resetCnt++;
- QPRINTK(qdev, IFDOWN, DEBUG, "Issue soft reset to chip.\n");
ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR);
- /* Wait for reset to complete. */
- max_wait_time = 3;
- QPRINTK(qdev, IFDOWN, DEBUG, "Wait %d seconds for reset to complete.\n",
- max_wait_time);
+
do {
value = ql_read32(qdev, RST_FO);
if ((value & RST_FO_FR) == 0)
break;
+ cpu_relax();
+ } while (time_before(jiffies, end_jiffies));
- ssleep(1);
- } while ((--max_wait_time));
if (value & RST_FO_FR) {
- QPRINTK(qdev, IFDOWN, ERR,
- "Stuck in SoftReset: FSC_SR:0x%08x\n", value);
- if (resetCnt < MAX_RESET_CNT)
- goto issueReset;
- }
- if (max_wait_time == 0) {
- status = -ETIMEDOUT;
QPRINTK(qdev, IFDOWN, ERR,
"ETIMEOUT!!! errored out of resetting the chip!\n");
+ status = -ETIMEDOUT;
}
return status;