diff mbox series

[3/3] net: lan966x: make reset optional

Message ID 20220826115607.1148489-4-michael@walle.cc (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series reset: microchip-sparx5: fix the broken switch reset | expand

Checks

Context Check Description
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Michael Walle Aug. 26, 2022, 11:56 a.m. UTC
There is no dedicated reset for just the switch core. The reset which
is used up until now, is more of a global reset, resetting almost the
whole SoC and cause spurious errors by doing so. Make it possible to
handle the reset elsewhere and mark the reset as optional.

Signed-off-by: Michael Walle <michael@walle.cc>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 2ad078608c45..e2c77f954a3d 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -971,7 +971,8 @@  static int lan966x_reset_switch(struct lan966x *lan966x)
 	int val = 0;
 	int ret;
 
-	switch_reset = devm_reset_control_get_shared(lan966x->dev, "switch");
+	switch_reset = devm_reset_control_get_optional_shared(lan966x->dev,
+							      "switch");
 	if (IS_ERR(switch_reset))
 		return dev_err_probe(lan966x->dev, PTR_ERR(switch_reset),
 				     "Could not obtain switch reset");