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Commit 4d7cec07 authored by Kevin Scott's avatar Kevin Scott Committed by Jeff Kirsher
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i40e: Increase timeout when checking GLGEN_RSTAT_DEVSTATE bit 



When linking with particular PHY types (ex: copper PHY), the amount of
time it takes for the GLGEN_RSTAT_DEVSTATE to be set increases greatly,
which can lead to a timeout and failure to load the driver.

Change-ID: If02be0dfcd7c57fdde2d5c81cd63651260cd2029
Signed-off-by: default avatarKevin Scott <kevin.c.scott@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 31b606d0

drivers/net/ethernet/intel/i40e/i40e_common.c

+7 −1
Original line number Diff line number Diff line
@@ -1239,7 +1239,13 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw) 
	grst_del = (rd32(hw, I40E_GLGEN_RSTCTL) &

		    I40E_GLGEN_RSTCTL_GRSTDEL_MASK) >>

		    I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT;

	for (cnt = 0; cnt < grst_del + 10; cnt++) {



	/* It can take upto 15 secs for GRST steady state.

	 * Bump it to 16 secs max to be safe.

	 */

	grst_del = grst_del * 20;



	for (cnt = 0; cnt < grst_del; cnt++) {

		reg = rd32(hw, I40E_GLGEN_RSTAT);

		if (!(reg & I40E_GLGEN_RSTAT_DEVSTATE_MASK))

			break;