From: Ulf Samuelsson <ulf@emagii.com>
Date: Tue, 7 Feb 2023 08:25:27 +0000 (+0100)
Subject: cpsw_mdio.c: Use correct reg in cpsw_mdio_get_alive
X-Git-Tag: v2025.01-rc5-pxa1908~1098^2~1
X-Git-Url: http://git.dujemihanovic.xyz/html/static/git-logo.png?a=commitdiff_plain;h=aa0a8a0be2401abbe26f4e5294a24216399c8291;p=u-boot.git

cpsw_mdio.c: Use correct reg in cpsw_mdio_get_alive

cpsw_mdio_get_alive reads the wrong register.
See page 2316 in SPRUH73Q AM335x TRM

Signed-off-by: Ulf Samuelsson <ulf@emagii.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---

diff --git a/drivers/net/ti/cpsw_mdio.c b/drivers/net/ti/cpsw_mdio.c
index a5ba73b739..ac791faa81 100644
--- a/drivers/net/ti/cpsw_mdio.c
+++ b/drivers/net/ti/cpsw_mdio.c
@@ -51,7 +51,7 @@ struct cpsw_mdio_regs {
 #define USERACCESS_PHY_REG_SHIFT	(21)
 #define USERACCESS_PHY_ADDR_SHIFT	(16)
 #define USERACCESS_DATA		GENMASK(15, 0)
-	} user[0];
+	} user[2];
 };
 
 #define CPSW_MDIO_DIV_DEF	0xff
@@ -366,8 +366,8 @@ u32 cpsw_mdio_get_alive(struct mii_dev *bus)
 	struct cpsw_mdio *mdio = bus->priv;
 	u32 val;
 
-	val = readl(&mdio->regs->control);
-	return val & GENMASK(15, 0);
+	val = readl(&mdio->regs->alive);
+	return val & GENMASK(7, 0);
 }
 
 struct mii_dev *cpsw_mdio_init(const char *name, phys_addr_t mdio_base,