From: Dan Streetman <[email protected]> The driver currently waits 1us after issuing a RST, but the spec requires it to wait 1ms.
Signed-off-by: Dan Streetman <[email protected]> Signed-off-by: Dan Streetman <[email protected]> --- drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c index 4e75843..147bc65 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c @@ -113,7 +113,12 @@ mac_reset_top: /* Poll for reset bit to self-clear indicating reset is complete */ for (i = 0; i < 10; i++) { - udelay(1); + /* sec 8.2.4.1.1 : + * programmers must wait approximately 1 ms after setting before + * attempting to check if the bit has cleared or to access (read + * or write) any other device register. + */ + mdelay(1); ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL); if (!(ctrl & IXGBE_CTRL_RST_MASK)) break; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
