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[80.21.24.253]) by smtp.gmail.com with ESMTPSA id h22-20020aa7cdd6000000b0042abb914d6asm6772383edw.69.2022.05.22.06.41.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 May 2022 06:41:49 -0700 (PDT) From: Michael Trimarchi To: Tommaso Merciai Cc: linux-amarula@amarulasolutions.com Subject: [PATCH V2 3/3] net: phy: DP83822: check for supported interface modes in config_init Date: Sun, 22 May 2022 15:41:46 +0200 Message-Id: <20220522134146.120312-3-michael@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220522134146.120312-1-michael@amarulasolutions.com> References: <20220522134146.120312-1-michael@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: michael@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b="U/DCGPp0"; spf=pass (google.com: domain of michael@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=michael@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Let config_init check for unsupported interface modes Signed-off-by: Michael Trimarchi --- drivers/net/phy/dp83822.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index 0b35f6d1a08e..beb3203aaf9f 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -387,6 +387,11 @@ static int dp83822_config_init(struct phy_device *phydev) int err = 0; int bmcr; + if (!phy_interface_is_rgmii(phydev) && + phy->interface != PHY_INTERFACE_MODE_RMII && + phy->interface != PHY_INTERFACE_MODE_MII) + return -ENODEV; + if (phy_interface_is_rgmii(phydev)) { trx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0, true);