From patchwork Mon Nov 20 12:11:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Ignacio Tornos Martinez X-Patchwork-Id: 745644 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ELZVQ3X6" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45935D0 for ; Mon, 20 Nov 2023 04:12:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700482368; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I64jWnU/Xnimdff02D+xgUnCTeMcDBWpdYaPdS1SbPI=; b=ELZVQ3X6jdGGugRTqe1r1gYkNSk3ShETR2vGdZigwu9Xxr/YIC+ytbzl0cJWeYFSvtranz 6mBWv6tnFtRWcUpfdxaio6C5eDllDmHv0ZnrZda3fDU8t/++6lYMETFm9rt1nc0QISu2pg 39q/RZVYot34MwAtdRHyxz25hulXfLU= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-607-Zlf3hxatNHOdUUxfsOzwfw-1; Mon, 20 Nov 2023 07:12:44 -0500 X-MC-Unique: Zlf3hxatNHOdUUxfsOzwfw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8FB271C0F473; Mon, 20 Nov 2023 12:12:43 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.193.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id C64A41121306; Mon, 20 Nov 2023 12:12:41 +0000 (UTC) From: Jose Ignacio Tornos Martinez To: pabeni@redhat.com Cc: davem@davemloft.net, edumazet@google.com, jtornosm@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, weihao.bj@ieisystem.com Subject: [PATCH v2 2/2] net: usb: ax88179_178a: avoid two consecutive device resets Date: Mon, 20 Nov 2023 13:11:41 +0100 Message-ID: <20231120121239.54504-1-jtornosm@redhat.com> In-Reply-To: <020ff11184bb22909287ef68d97c00f7d2c73bd6.camel@redhat.com> References: <020ff11184bb22909287ef68d97c00f7d2c73bd6.camel@redhat.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 The device is always reset two consecutive times (ax88179_reset is called twice), one from usbnet_probe during the device binding and the other from usbnet_open. Remove the non-necessary reset during the device binding and let the reset operation from open to keep the normal behavior (tested with generic ASIX Electronics Corp. AX88179 Gigabit Ethernet device). Fixes: e2ca90c276e1f ("ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver") Reported-by: Herb Wei Tested-by: Herb Wei Signed-off-by: Jose Ignacio Tornos Martinez --- V1 -> V2: - Add Fixes tag. - Follow Paolo Abeni's suggestion and remove the binding reset, not the reset operation to keep the normal behavior. drivers/net/usb/ax88179_178a.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 4ea0e155bb0d..8d835fbc4316 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1298,8 +1298,6 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) netif_set_tso_max_size(dev->net, 16384); - ax88179_reset(dev); - return 0; }