mirror of https://gitee.com/openkylin/linux.git
be2net: replace udelay() with schedule_timeout() in mbox polling
As mbox polling is done only in process context, it is better to use schedule_timeout() instead of udelay(). Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -186,7 +186,7 @@ static int be_mcc_notify_wait(struct be_adapter *adapter)
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static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
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static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
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{
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{
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int cnt = 0, wait = 5;
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int msecs = 0;
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u32 ready;
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u32 ready;
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do {
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do {
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@ -201,15 +201,14 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
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if (ready)
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if (ready)
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break;
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break;
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if (cnt > 4000000) {
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if (msecs > 4000) {
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dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
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dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
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return -1;
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return -1;
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}
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}
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if (cnt > 50)
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set_current_state(TASK_INTERRUPTIBLE);
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wait = 200;
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schedule_timeout(msecs_to_jiffies(1));
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cnt += wait;
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msecs++;
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udelay(wait);
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} while (true);
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} while (true);
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return 0;
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return 0;
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