netdev - [PATCH net-next 03/11] net: dsa: seville: first enable memories, then initialize them

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Message-Id: <20200918105753.3473725-4-olteanv@gmail.com>
Date:   Fri, 18 Sep 2020 13:57:45 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     yangbo.lu@....com, xiaoliang.yang_1@....com,
        UNGLinuxDriver@...rochip.com, claudiu.manoil@....com,
        alexandre.belloni@...tlin.com, andrew@...n.ch,
        vivien.didelot@...il.com, f.fainelli@...il.com, kuba@...nel.org
Subject: [PATCH net-next 03/11] net: dsa: seville: first enable memories, then initialize them

From: Vladimir Oltean <vladimir.oltean@....com>

As per documentation, proper startup sequence is:
* Enable memories
* Initialize memories
* Enable core

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 drivers/net/dsa/ocelot/seville_vsc9953.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index df5709326ce1..a1f25f5e0efc 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -835,8 +835,8 @@ static int vsc9953_reset(struct ocelot *ocelot)
 	}
 
 	/* initialize switch mem ~40us */
-	ocelot_field_write(ocelot, SYS_RESET_CFG_MEM_INIT, 1);
 	ocelot_field_write(ocelot, SYS_RESET_CFG_MEM_ENA, 1);
+	ocelot_field_write(ocelot, SYS_RESET_CFG_MEM_INIT, 1);
 
 	err = readx_poll_timeout(vsc9953_sys_ram_init_status, ocelot, val, !val,
 				 VSC9953_SYS_RAMINIT_SLEEP,
-- 
2.25.1