From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94A2EC433E0 for ; Mon, 6 Jul 2020 14:01:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7115C2070C for ; Mon, 6 Jul 2020 14:01:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eyOmmyVV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729304AbgGFOBE (ORCPT ); Mon, 6 Jul 2020 10:01:04 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:27741 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729294AbgGFOBC (ORCPT ); Mon, 6 Jul 2020 10:01:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594044060; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=plR445Drk3eeFEnzym0LmKRY+r16mbP2yKRnTLNcumQ=; b=eyOmmyVVSqZQ3btGRHGkKYEr7d1xTaGPYqoC9w13l5x7vE+1ZrzdtSph9QOETrbNOavBto p4V6qghd+Bmi0qIjj+hFS53Bs2O+6Ukh8BHuwOSEy0OU7/EcC32Kk+nUbE1O7QE0sxVBbH bU09ygUaK9E/BaV7dlSp1Mm/gUx/8q8= Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-307-KhNLlIAHN9Sfaxkvg7ZL1A-1; Mon, 06 Jul 2020 10:00:58 -0400 X-MC-Unique: KhNLlIAHN9Sfaxkvg7ZL1A-1 Received: by mail-ej1-f70.google.com with SMTP id y10so29705914ejd.1 for ; Mon, 06 Jul 2020 07:00:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=plR445Drk3eeFEnzym0LmKRY+r16mbP2yKRnTLNcumQ=; b=YGl09wHFKNF5U85LToBb7Sm9aaHXx5dnB5043LKTRbjHg3hmLoRX10xCrOuNcqYAne caGYjtYwOvJdny4dhpsOyazdqK9DD/Mt+s+oKKmgEe9UG1XL43FYkCIsxZPKnG/Gi4ZW mwoS8sQZ1Krpy2WZXlGPsVE247OYnSjTzFf68Ix8xK9GGt+jtXr2U1H6p6dG+Cc79g8H vI+LaaTk96suofUum5l3KGkgIhPLNHSez+MsfcERNw1i3lbg3Ww+fIlJK8x5WWlBYsMq cdana7XYf2LqtawLC4/bQk4CEL4swc/hztC5nrWazM0M3Vy8J0Ru5vq1zDxcpBgoVEt3 lb8Q== X-Gm-Message-State: AOAM532PuFRuIVIK4yv8kLVDki7xfoH31udfvRGNlkWV8CRzr+T1hAnE ekve7F0RUAckdbNU3euJwlUOiaUBAg4niwb2uMMHt0zL2tWO0B35qo+ixmgdH91bAERnwiMRPGL OW/o3bqz5qOD0rKNd+4259Fg4 X-Received: by 2002:a05:6402:202e:: with SMTP id ay14mr55866483edb.233.1594044057623; Mon, 06 Jul 2020 07:00:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwokWAQDe0bD6JJ8Z9MjAp3h3YbM7dv+sokIOUz5rBXKpDFtUHf2aONLLEEwiCQIl5my75xOA== X-Received: by 2002:a05:6402:202e:: with SMTP id ay14mr55866456edb.233.1594044057460; Mon, 06 Jul 2020 07:00:57 -0700 (PDT) Received: from x1.localdomain (2001-1c00-0c0c-fe00-d2ea-f29d-118b-24dc.cable.dynamic.v6.ziggo.nl. [2001:1c00:c0c:fe00:d2ea:f29d:118b:24dc]) by smtp.gmail.com with ESMTPSA id mf24sm16808096ejb.58.2020.07.06.07.00.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2020 07:00:56 -0700 (PDT) Subject: Re: [PATCH 08/32] usb: typec: tcpm: tcpm: Remove dangling unused 'struct tcpm_altmode_ops' To: Lee Jones , gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Guenter Roeck , Heikki Krogerus References: <20200706133341.476881-1-lee.jones@linaro.org> <20200706133341.476881-9-lee.jones@linaro.org> From: Hans de Goede Message-ID: Date: Mon, 6 Jul 2020 16:00:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200706133341.476881-9-lee.jones@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 7/6/20 3:33 PM, Lee Jones wrote: > Looks as though a079973f462a3 ("usb: typec: tcpm: Remove tcpc_config > configuration mechanism") pulled out the only use of 'tcpm_altmode_ops' > last year. No need to keep it around. > > Fixes the following W=1 kernel build warning(s): > > drivers/usb/typec/tcpm/tcpm.c:1551:39: warning: ‘tcpm_altmode_ops’ defined but not used [-Wunused-const-variable=] > 1551 | static const struct typec_altmode_ops tcpm_altmode_ops = { > | ^~~~~~~~~~~~~~~~ > > Cc: Guenter Roeck > Cc: Heikki Krogerus > Cc: Hans de Goede > Signed-off-by: Lee Jones This is necessary for adding Display port over Type-C support on devices using the tcpm code, rather then firmware, to do the Type-C alt-mode negotiation. I have a local patch in my tree which adds support for this. But Heikki did not like my approach, so that patch (which needs the bits you are removing) never landed upstream: https://patchwork.kernel.org/patch/11199517/ Which is somewhat old now. Heikki said he would look into an approach to this more to his liking. Heikki an progress on this area? Regards, Hans > --- > drivers/usb/typec/tcpm/tcpm.c | 51 ----------------------------------- > 1 file changed, 51 deletions(-) > > diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c > index 82b19ebd7838e..d6913eb0ea54d 100644 > --- a/drivers/usb/typec/tcpm/tcpm.c > +++ b/drivers/usb/typec/tcpm/tcpm.c > @@ -1503,57 +1503,6 @@ static int tcpm_validate_caps(struct tcpm_port *port, const u32 *pdo, > return 0; > } > > -static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo) > -{ > - struct tcpm_port *port = typec_altmode_get_drvdata(altmode); > - u32 header; > - > - mutex_lock(&port->lock); > - header = VDO(altmode->svid, vdo ? 2 : 1, CMD_ENTER_MODE); > - header |= VDO_OPOS(altmode->mode); > - > - tcpm_queue_vdm(port, header, vdo, vdo ? 1 : 0); > - mod_delayed_work(port->wq, &port->vdm_state_machine, 0); > - mutex_unlock(&port->lock); > - > - return 0; > -} > - > -static int tcpm_altmode_exit(struct typec_altmode *altmode) > -{ > - struct tcpm_port *port = typec_altmode_get_drvdata(altmode); > - u32 header; > - > - mutex_lock(&port->lock); > - header = VDO(altmode->svid, 1, CMD_EXIT_MODE); > - header |= VDO_OPOS(altmode->mode); > - > - tcpm_queue_vdm(port, header, NULL, 0); > - mod_delayed_work(port->wq, &port->vdm_state_machine, 0); > - mutex_unlock(&port->lock); > - > - return 0; > -} > - > -static int tcpm_altmode_vdm(struct typec_altmode *altmode, > - u32 header, const u32 *data, int count) > -{ > - struct tcpm_port *port = typec_altmode_get_drvdata(altmode); > - > - mutex_lock(&port->lock); > - tcpm_queue_vdm(port, header, data, count - 1); > - mod_delayed_work(port->wq, &port->vdm_state_machine, 0); > - mutex_unlock(&port->lock); > - > - return 0; > -} > - > -static const struct typec_altmode_ops tcpm_altmode_ops = { > - .enter = tcpm_altmode_enter, > - .exit = tcpm_altmode_exit, > - .vdm = tcpm_altmode_vdm, > -}; > - > /* > * PD (data, control) command handling functions > */ > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C034C433E0 for ; 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[2001:1c00:c0c:fe00:d2ea:f29d:118b:24dc]) by smtp.gmail.com with ESMTPSA id mf24sm16808096ejb.58.2020.07.06.07.00.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2020 07:00:56 -0700 (PDT) Subject: Re: [PATCH 08/32] usb: typec: tcpm: tcpm: Remove dangling unused 'struct tcpm_altmode_ops' To: Lee Jones , gregkh@linuxfoundation.org References: <20200706133341.476881-1-lee.jones@linaro.org> <20200706133341.476881-9-lee.jones@linaro.org> From: Hans de Goede Message-ID: Date: Mon, 6 Jul 2020 16:00:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200706133341.476881-9-lee.jones@linaro.org> Content-Language: en-US Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hdegoede@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200706_100249_033132_6E8A34B8 X-CRM114-Status: GOOD ( 17.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Heikki Krogerus , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Guenter Roeck Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGksCgpPbiA3LzYvMjAgMzozMyBQTSwgTGVlIEpvbmVzIHdyb3RlOgo+IExvb2tzIGFzIHRob3Vn aCBhMDc5OTczZjQ2MmEzICgidXNiOiB0eXBlYzogdGNwbTogUmVtb3ZlIHRjcGNfY29uZmlnCj4g Y29uZmlndXJhdGlvbiBtZWNoYW5pc20iKSBwdWxsZWQgb3V0IHRoZSBvbmx5IHVzZSBvZiAndGNw bV9hbHRtb2RlX29wcycKPiBsYXN0IHllYXIuICBObyBuZWVkIHRvIGtlZXAgaXQgYXJvdW5kLgo+ IAo+IEZpeGVzIHRoZSBmb2xsb3dpbmcgVz0xIGtlcm5lbCBidWlsZCB3YXJuaW5nKHMpOgo+IAo+ ICAgZHJpdmVycy91c2IvdHlwZWMvdGNwbS90Y3BtLmM6MTU1MTozOTogd2FybmluZzog4oCYdGNw bV9hbHRtb2RlX29wc+KAmSBkZWZpbmVkIGJ1dCBub3QgdXNlZCBbLVd1bnVzZWQtY29uc3QtdmFy aWFibGU9XQo+ICAgMTU1MSB8IHN0YXRpYyBjb25zdCBzdHJ1Y3QgdHlwZWNfYWx0bW9kZV9vcHMg dGNwbV9hbHRtb2RlX29wcyA9IHsKPiAgIHwgXn5+fn5+fn5+fn5+fn5+fgo+IAo+IENjOiBHdWVu dGVyIFJvZWNrIDxsaW51eEByb2Vjay11cy5uZXQ+Cj4gQ2M6IEhlaWtraSBLcm9nZXJ1cyA8aGVp a2tpLmtyb2dlcnVzQGxpbnV4LmludGVsLmNvbT4KPiBDYzogSGFucyBkZSBHb2VkZSA8aGRlZ29l ZGVAcmVkaGF0LmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBMZWUgSm9uZXMgPGxlZS5qb25lc0BsaW5h cm8ub3JnPgoKVGhpcyBpcyBuZWNlc3NhcnkgZm9yIGFkZGluZyBEaXNwbGF5IHBvcnQgb3ZlciBU eXBlLUMgc3VwcG9ydApvbiBkZXZpY2VzIHVzaW5nIHRoZSB0Y3BtIGNvZGUsIHJhdGhlciB0aGVu IGZpcm13YXJlLCB0byBkbwp0aGUgVHlwZS1DIGFsdC1tb2RlIG5lZ290aWF0aW9uLgoKSSBoYXZl IGEgbG9jYWwgcGF0Y2ggaW4gbXkgdHJlZSB3aGljaCBhZGRzIHN1cHBvcnQgZm9yIHRoaXMuCgpC dXQgSGVpa2tpIGRpZCBub3QgbGlrZSBteSBhcHByb2FjaCwgc28gdGhhdCBwYXRjaAood2hpY2gg bmVlZHMgdGhlIGJpdHMgeW91IGFyZSByZW1vdmluZykgbmV2ZXIgbGFuZGVkCnVwc3RyZWFtOgoK aHR0cHM6Ly9wYXRjaHdvcmsua2VybmVsLm9yZy9wYXRjaC8xMTE5OTUxNy8KCldoaWNoIGlzIHNv bWV3aGF0IG9sZCBub3cuCgpIZWlra2kgc2FpZCBoZSB3b3VsZCBsb29rIGludG8gYW4gYXBwcm9h Y2ggdG8gdGhpcyBtb3JlIHRvCmhpcyBsaWtpbmcuIEhlaWtraSBhbiBwcm9ncmVzcyBvbiB0aGlz IGFyZWE/CgpSZWdhcmRzLAoKSGFucwoKCgo+IC0tLQo+ICAgZHJpdmVycy91c2IvdHlwZWMvdGNw bS90Y3BtLmMgfCA1MSAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+ICAgMSBm aWxlIGNoYW5nZWQsIDUxIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3Vz Yi90eXBlYy90Y3BtL3RjcG0uYyBiL2RyaXZlcnMvdXNiL3R5cGVjL3RjcG0vdGNwbS5jCj4gaW5k ZXggODJiMTllYmQ3ODM4ZS4uZDY5MTNlYjBlYTU0ZCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3Vz Yi90eXBlYy90Y3BtL3RjcG0uYwo+ICsrKyBiL2RyaXZlcnMvdXNiL3R5cGVjL3RjcG0vdGNwbS5j Cj4gQEAgLTE1MDMsNTcgKzE1MDMsNiBAQCBzdGF0aWMgaW50IHRjcG1fdmFsaWRhdGVfY2Fwcyhz dHJ1Y3QgdGNwbV9wb3J0ICpwb3J0LCBjb25zdCB1MzIgKnBkbywKPiAgIAlyZXR1cm4gMDsKPiAg IH0KPiAgIAo+IC1zdGF0aWMgaW50IHRjcG1fYWx0bW9kZV9lbnRlcihzdHJ1Y3QgdHlwZWNfYWx0 bW9kZSAqYWx0bW9kZSwgdTMyICp2ZG8pCj4gLXsKPiAtCXN0cnVjdCB0Y3BtX3BvcnQgKnBvcnQg PSB0eXBlY19hbHRtb2RlX2dldF9kcnZkYXRhKGFsdG1vZGUpOwo+IC0JdTMyIGhlYWRlcjsKPiAt Cj4gLQltdXRleF9sb2NrKCZwb3J0LT5sb2NrKTsKPiAtCWhlYWRlciA9IFZETyhhbHRtb2RlLT5z dmlkLCB2ZG8gPyAyIDogMSwgQ01EX0VOVEVSX01PREUpOwo+IC0JaGVhZGVyIHw9IFZET19PUE9T KGFsdG1vZGUtPm1vZGUpOwo+IC0KPiAtCXRjcG1fcXVldWVfdmRtKHBvcnQsIGhlYWRlciwgdmRv LCB2ZG8gPyAxIDogMCk7Cj4gLQltb2RfZGVsYXllZF93b3JrKHBvcnQtPndxLCAmcG9ydC0+dmRt X3N0YXRlX21hY2hpbmUsIDApOwo+IC0JbXV0ZXhfdW5sb2NrKCZwb3J0LT5sb2NrKTsKPiAtCj4g LQlyZXR1cm4gMDsKPiAtfQo+IC0KPiAtc3RhdGljIGludCB0Y3BtX2FsdG1vZGVfZXhpdChzdHJ1 Y3QgdHlwZWNfYWx0bW9kZSAqYWx0bW9kZSkKPiAtewo+IC0Jc3RydWN0IHRjcG1fcG9ydCAqcG9y dCA9IHR5cGVjX2FsdG1vZGVfZ2V0X2RydmRhdGEoYWx0bW9kZSk7Cj4gLQl1MzIgaGVhZGVyOwo+ IC0KPiAtCW11dGV4X2xvY2soJnBvcnQtPmxvY2spOwo+IC0JaGVhZGVyID0gVkRPKGFsdG1vZGUt PnN2aWQsIDEsIENNRF9FWElUX01PREUpOwo+IC0JaGVhZGVyIHw9IFZET19PUE9TKGFsdG1vZGUt Pm1vZGUpOwo+IC0KPiAtCXRjcG1fcXVldWVfdmRtKHBvcnQsIGhlYWRlciwgTlVMTCwgMCk7Cj4g LQltb2RfZGVsYXllZF93b3JrKHBvcnQtPndxLCAmcG9ydC0+dmRtX3N0YXRlX21hY2hpbmUsIDAp Owo+IC0JbXV0ZXhfdW5sb2NrKCZwb3J0LT5sb2NrKTsKPiAtCj4gLQlyZXR1cm4gMDsKPiAtfQo+ IC0KPiAtc3RhdGljIGludCB0Y3BtX2FsdG1vZGVfdmRtKHN0cnVjdCB0eXBlY19hbHRtb2RlICph bHRtb2RlLAo+IC0JCQkgICAgdTMyIGhlYWRlciwgY29uc3QgdTMyICpkYXRhLCBpbnQgY291bnQp Cj4gLXsKPiAtCXN0cnVjdCB0Y3BtX3BvcnQgKnBvcnQgPSB0eXBlY19hbHRtb2RlX2dldF9kcnZk YXRhKGFsdG1vZGUpOwo+IC0KPiAtCW11dGV4X2xvY2soJnBvcnQtPmxvY2spOwo+IC0JdGNwbV9x dWV1ZV92ZG0ocG9ydCwgaGVhZGVyLCBkYXRhLCBjb3VudCAtIDEpOwo+IC0JbW9kX2RlbGF5ZWRf d29yayhwb3J0LT53cSwgJnBvcnQtPnZkbV9zdGF0ZV9tYWNoaW5lLCAwKTsKPiAtCW11dGV4X3Vu bG9jaygmcG9ydC0+bG9jayk7Cj4gLQo+IC0JcmV0dXJuIDA7Cj4gLX0KPiAtCj4gLXN0YXRpYyBj b25zdCBzdHJ1Y3QgdHlwZWNfYWx0bW9kZV9vcHMgdGNwbV9hbHRtb2RlX29wcyA9IHsKPiAtCS5l bnRlciA9IHRjcG1fYWx0bW9kZV9lbnRlciwKPiAtCS5leGl0ID0gdGNwbV9hbHRtb2RlX2V4aXQs Cj4gLQkudmRtID0gdGNwbV9hbHRtb2RlX3ZkbSwKPiAtfTsKPiAtCj4gICAvKgo+ICAgICogUEQg KGRhdGEsIGNvbnRyb2wpIGNvbW1hbmQgaGFuZGxpbmcgZnVuY3Rpb25zCj4gICAgKi8KPiAKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0t a2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcK aHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2Vy bmVsCg==