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[93.35.189.2]) by smtp.googlemail.com with ESMTPSA id q20sm2607436wmq.2.2021.05.10.19.07.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 May 2021 19:07:40 -0700 (PDT) From: Ansuel Smith To: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Rob Herring , Heiner Kallweit , Russell King , netdev@vger.kernel.org (open list:NETWORKING DRIVERS), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Cc: Ansuel Smith Subject: [RFC PATCH net-next v5 19/25] net: dsa: qca8k: enlarge mdio delay and timeout Date: Tue, 11 May 2021 04:04:54 +0200 Message-Id: <20210511020500.17269-20-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210511020500.17269-1-ansuelsmth@gmail.com> References: <20210511020500.17269-1-ansuelsmth@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The witch require some extra delay after setting page or the next read/write can use still use the old page. Add a delay after the set_page function to address this as it's done in QSDK legacy driver. Some timeouts were notice with VLAN and phy function, enlarge the mdio busy wait timeout to fix these problems. Signed-off-by: Ansuel Smith --- drivers/net/dsa/qca8k.c | 1 + drivers/net/dsa/qca8k.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index fd74fcaf815f..381c0e340c09 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -143,6 +143,7 @@ qca8k_set_page(struct mii_bus *bus, u16 page) } qca8k_current_page = page; + usleep_range(1000, 2000); return 0; } diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h index a878486d9bcd..d365f85ab34f 100644 --- a/drivers/net/dsa/qca8k.h +++ b/drivers/net/dsa/qca8k.h @@ -20,7 +20,7 @@ #define PHY_ID_QCA8337 0x004dd036 #define QCA8K_ID_QCA8337 0x13 -#define QCA8K_BUSY_WAIT_TIMEOUT 20 +#define QCA8K_BUSY_WAIT_TIMEOUT 2000 #define QCA8K_NUM_FDB_RECORDS 2048 -- 2.30.2