[net 04/11] ixgbe: Use udelay to avoid sleeping while atomic

[Jeff Kirsher]

From: Mark Rustad <mark.d.rus...@intel.com>

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

Signed-off-by: Mark Rustad <mark.d.rus...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 87aca3f..68a9c64 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -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;
-- 
2.5.5