netdev - [PATCH v2 net-next 2/3] net: phy: aquantia: wait for FW reset before checking the vendor ID

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Date: Thu, 27 Jun 2024 13:30:16 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2 net-next 2/3] net: phy: aquantia: wait for FW reset before checking the vendor ID

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Checking the firmware register before it complete the boot process makes
no sense, it will report 0 even if FW is available from internal memory.
Always wait for FW to boot before continuing or we'll unnecessarily try
to load it from nvmem/filesystem and fail.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/net/phy/aquantia/aquantia_firmware.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/phy/aquantia/aquantia_firmware.c b/drivers/net/phy/aquantia/aquantia_firmware.c
index 0c9640ef153b..524627a36c6f 100644
--- a/drivers/net/phy/aquantia/aquantia_firmware.c
+++ b/drivers/net/phy/aquantia/aquantia_firmware.c
@@ -353,6 +353,10 @@ int aqr_firmware_load(struct phy_device *phydev)
 {
 	int ret;
 
+	ret = aqr_wait_reset_complete(phydev);
+	if (ret)
+		return ret;
+
 	/* Check if the firmware is not already loaded by pooling
 	 * the current version returned by the PHY. If 0 is returned,
 	 * no firmware is loaded.
-- 
2.43.0