linux-kernel - [PATCH net-next 1/4] net: renesas: rswitch: do not write to MPSM register at init time

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Message-Id: <20241208155236.108582-2-nikita.yoush@cogentembedded.com>
Date: Sun,  8 Dec 2024 20:52:33 +0500
From: Nikita Yushchenko <nikita.yoush@...entembedded.com>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>
Cc: netdev@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Michael Dege <michael.dege@...esas.com>,
	Christian Mardmoeller <christian.mardmoeller@...esas.com>,
	Dennis Ostermann <dennis.ostermann@...esas.com>,
	Nikita Yushchenko <nikita.yoush@...entembedded.com>
Subject: [PATCH net-next 1/4] net: renesas: rswitch: do not write to MPSM register at init time

MPSM register is used to execute mdio bus transactions.
There is no need to initialize it early.

Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
---
 drivers/net/ethernet/renesas/rswitch.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index 8ac6ef532c6a..57d0f992f9a5 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -1139,7 +1139,6 @@ static void rswitch_etha_enable_mii(struct rswitch_etha *etha)
 {
 	rswitch_modify(etha->addr, MPIC, MPIC_PSMCS_MASK | MPIC_PSMHT_MASK,
 		       MPIC_PSMCS(etha->psmcs) | MPIC_PSMHT(0x06));
-	rswitch_modify(etha->addr, MPSM, 0, MPSM_MFF_C45);
 }
 
 static int rswitch_etha_hw_init(struct rswitch_etha *etha, const u8 *mac)
-- 
2.39.5