kernel: backport two intel igc patches from 5.15

to allow proper initialization of device

- igc: Remove _I_PHY_ID checking
- igc: Remove phy->type checking

Signed-off-by: Pascal Coudurier <coudu@wanadoo.fr>
(refreshed)
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
(cherry picked from commit dd45cc2123b75abb0b41eb90c21d8d3506f2a3c2)

1 files changed, 43 insertions, 0 deletions

diff --git a/target/linux/generic/backport-5.10/774-v5.15-2-igc-remove-phy-type-checking.patch b/target/linux/generic/backport-5.10/774-v5.15-2-igc-remove-phy-type-checking.patch
new file mode 100644
index 0000000000..ad4d1bb0dc
--- /dev/null
+++ b/target/linux/generic/backport-5.10/774-v5.15-2-igc-remove-phy-type-checking.patch
@@ -0,0 +1,43 @@
+From 47bca7de6a4fb8dcb564c7ca14d885c91ed19e03 Mon Sep 17 00:00:00 2001
+From: Sasha Neftin <sasha.neftin@intel.com>
+Date: Sat, 10 Jul 2021 20:57:50 +0300
+Subject: igc: Remove phy->type checking
+
+i225 devices have only one phy->type: copper. There is no point checking
+phy->type during the igc_has_link method from the watchdog that
+invoked every 2 seconds.
+This patch comes to clean up these pointless checkings.
+
+Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
+Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
+Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
+---
+ drivers/net/ethernet/intel/igc/igc_main.c | 15 ++++-----------
+ 1 file changed, 4 insertions(+), 11 deletions(-)
+
+(limited to 'drivers/net/ethernet/intel/igc')
+
+--- a/drivers/net/ethernet/intel/igc/igc_main.c
++++ b/drivers/net/ethernet/intel/igc/igc_main.c
+@@ -4177,17 +4177,10 @@ bool igc_has_link(struct igc_adapter *ad
+ 	 * false until the igc_check_for_link establishes link
+ 	 * for copper adapters ONLY
+ 	 */
+-	switch (hw->phy.media_type) {
+-	case igc_media_type_copper:
+-		if (!hw->mac.get_link_status)
+-			return true;
+-		hw->mac.ops.check_for_link(hw);
+-		link_active = !hw->mac.get_link_status;
+-		break;
+-	default:
+-	case igc_media_type_unknown:
+-		break;
+-	}
++	if (!hw->mac.get_link_status)
++		return true;
++	hw->mac.ops.check_for_link(hw);
++	link_active = !hw->mac.get_link_status;
+ 
+ 	if (hw->mac.type == igc_i225) {
+ 		if (!netif_carrier_ok(adapter->netdev)) {