net: ethernet: ti: am65-cpts: reset pps genf adj settings on enable

The CPTS PPS GENf adjustment settings are invalid after it has been disabled for a while, so reset them. Fixes: eb9233c ("net: ethernet: ti: am65-cpts: adjust pps following ptp changes") Signed-off-by: Grygorii Strashko <[email protected]> Signed-off-by: Siddharth Vadapalli <[email protected]> Reviewed-by: Roger Quadros <[email protected]> Reviewed-by: Michal Swiatkowski <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
torvalds · Mar 18, 2023 · 3dacc5b · 3dacc5b
1 parent ff82109
commit 3dacc5b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
@@ -636,6 +636,10 @@ static void am65_cpts_perout_enable_hw(struct am65_cpts *cpts,
  val = lower_32_bits(cycles);
  am65_cpts_write32(cpts, val, genf[req->index].length);
 
+ am65_cpts_write32(cpts, 0, genf[req->index].control);
+ am65_cpts_write32(cpts, 0, genf[req->index].ppm_hi);
+ am65_cpts_write32(cpts, 0, genf[req->index].ppm_low);
+
  cpts->genf_enable |= BIT(req->index);
  } else {
  am65_cpts_write32(cpts, 0, genf[req->index].length);