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ixgbe: Use udelay to avoid sleeping while atomic 

Use udelay instead of usleep_range because this can be called while
a lock is held.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mark Rustad 2016-01-29 14:44:29 -08:00 committed by Jeff Kirsher
parent e2873d43f9
commit d90b5b0ec1
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
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@ -355,7 +355,7 @@ static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
if (!(command & IXGBE_SB_IOSF_CTRL_BUSY))
break;
usleep_range(10, 20);
udelay(10);
}
if (ctrl)
*ctrl = command;