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IB: Convert msleep below 20ms to usleep_range

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The msleep(1) may do not sleep 1 ms as expected
and will sleep longer. The simple conversion from
msleep to usleep_range between 1ms and 2ms can solve an
issue.

The full and comprehensive explanation can be found at [1] and [2].

[1] https://lkml.org/lkml/2007/8/3/250
[2] Documentation/timers/timers-howto.txt

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky
2017-05-23 11:29:42 +03:00
committed by Doug Ledford
parent f7c8f2e9dd
commit 98e77d9fd7
6 changed files with 9 additions and 8 deletions
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4
drivers/infiniband/hw/nes/nes_hw.c
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@@ -551,7 +551,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
if ((0x0F000100 == (pcs_control_status0 & 0x0F000100))
|| (0x0F000100 == (pcs_control_status1 & 0x0F000100)))
int_cnt++;
msleep(1);
usleep_range(1000, 2000);
}
if (int_cnt > 1) {
spin_lock_irqsave(&nesadapter->phy_lock, flags);
@@ -592,7 +592,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
break;
}
}
msleep(1);
usleep_range(1000, 2000);
}
}
}