From patchwork Tue Sep 29 17:52:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 11806465 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 90CCE6CB for ; Tue, 29 Sep 2020 17:53:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6926720936 for ; Tue, 29 Sep 2020 17:53:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FRnczYI+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728180AbgI2RxH (ORCPT ); Tue, 29 Sep 2020 13:53:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728056AbgI2Rwz (ORCPT ); Tue, 29 Sep 2020 13:52:55 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2E41C061755 for ; Tue, 29 Sep 2020 10:52:55 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id t14so4448332pgl.10 for ; Tue, 29 Sep 2020 10:52:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Sxs+p0qJGwlXlYqr5DnhuqsFJ9uI4G3h2LLCfE221Y0=; b=FRnczYI+v1u4dF861GnaIOp7rwgHlWVR54rKOOmduQRHcCn3R9o1CGzz6CzA7vTVAx +n0kG7P2oIRLzc7CveQVunt6YFEXfvggLu99xyxEPv0TVORLTjGm7TC2stGi4DWp5HPK PlEurju2WE5NhammvldF/Lf4DgPtxVXomb1i1W6tXyStIXSCGEnBb0Bf/8F7/ebdFPpH 0qFcSlWnP5XPpLzYycAIwDsCFycikhr0xerBMxjs1FzYC3mJqCf2fOe0paDndJFRu0EC 9e924nDYpiBYwgaD8c7Hz+jCLgBBodCtfWvHUBBaboMiV8z29WRrWA2hA7k1QhBVcg34 DwWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Sxs+p0qJGwlXlYqr5DnhuqsFJ9uI4G3h2LLCfE221Y0=; b=fgFADGF86yhP8kOjtEjhCUUkBTAOmKOCqloB+auNy9GBu6dlIwLlZbnzmSnGFmpCB9 c+9+BLSRFle3e/4vMKTS35uZOdLgu4ZLKZITUbpSYNxeS3VD3tQMjS2htjq6OEqBm/LQ lK7Ygta21i6sPWxbljP51sL1MfF7+58CghqOTxvYbiDv4eb5Eq6vHvUHkWBJzJPL8KaC msui37Hddu5OJFyuhs6F4RU9BR+dF/kCqtjS07r2/e2nNiWQcDqMADXgsKOPNFfT5P7+ EveC+fh2Kg5fxfP87vzJpohII9LW9CR3dMiy2FeEj/0PY+6Gxi+7G9W1IYkuJ9YR3uAH KdgQ== X-Gm-Message-State: AOAM531wARROQx3fZX1ztR7Fu0s4ytcTVVmhwKsmOliv98T3imNKoU8z PXQpPXZuAhd0jd9m1aZVImCC X-Google-Smtp-Source: ABdhPJz7HbkWz/+MiuN5TUw2klFfMVw6d+fVFvpDeQy34/on+mPPovOK6c7kBXNRCy+BhyVVNhD+WA== X-Received: by 2002:a63:5821:: with SMTP id m33mr4064260pgb.16.1601401975150; Tue, 29 Sep 2020 10:52:55 -0700 (PDT) Received: from Mani-XPS-13-9360.localdomain ([103.59.133.81]) by smtp.gmail.com with ESMTPSA id r188sm6271046pfc.67.2020.09.29.10.52.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 10:52:54 -0700 (PDT) From: Manivannan Sadhasivam To: gregkh@linuxfoundation.org Cc: hemantk@codeaurora.org, bbhatt@codeaurora.org, linux-arm-msm@vger.kernel.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v3 06/19] bus: mhi: core: Use generic name field for an MHI device Date: Tue, 29 Sep 2020 23:22:05 +0530 Message-Id: <20200929175218.8178-7-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200929175218.8178-1-manivannan.sadhasivam@linaro.org> References: <20200929175218.8178-1-manivannan.sadhasivam@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Bhaumik Bhatt An MHI device is not necessarily associated with only channels as we can have one associated with the controller itself. Hence, the chan_name field within the mhi_device structure should instead be replaced with a generic name to accurately reflect any type of MHI device. Signed-off-by: Bhaumik Bhatt Reviewed-by: Jeffrey Hugo Reviewed-by: Manivannan Sadhasivam Signed-off-by: Manivannan Sadhasivam --- drivers/bus/mhi/core/init.c | 5 +++-- drivers/bus/mhi/core/main.c | 6 +++--- include/linux/mhi.h | 8 ++++---- 3 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index e43a190a7a36..e2011ec46b92 100644 --- a/drivers/bus/mhi/core/init.c +++ b/drivers/bus/mhi/core/init.c @@ -904,6 +904,7 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl, mhi_dev->dev_type = MHI_DEVICE_CONTROLLER; mhi_dev->mhi_cntrl = mhi_cntrl; dev_set_name(&mhi_dev->dev, "%s", dev_name(mhi_cntrl->cntrl_dev)); + mhi_dev->name = dev_name(mhi_cntrl->cntrl_dev); /* Init wakeup source */ device_init_wakeup(&mhi_dev->dev, true); @@ -1249,7 +1250,7 @@ static int mhi_uevent(struct device *dev, struct kobj_uevent_env *env) struct mhi_device *mhi_dev = to_mhi_device(dev); return add_uevent_var(env, "MODALIAS=" MHI_DEVICE_MODALIAS_FMT, - mhi_dev->chan_name); + mhi_dev->name); } static int mhi_match(struct device *dev, struct device_driver *drv) @@ -1266,7 +1267,7 @@ static int mhi_match(struct device *dev, struct device_driver *drv) return 0; for (id = mhi_drv->id_table; id->chan[0]; id++) - if (!strcmp(mhi_dev->chan_name, id->chan)) { + if (!strcmp(mhi_dev->name, id->chan)) { mhi_dev->id = id; return 1; } diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 79be18ec2ebf..2cff5ddff225 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -249,7 +249,7 @@ int mhi_destroy_device(struct device *dev, void *data) put_device(&mhi_dev->dl_chan->mhi_dev->dev); dev_dbg(&mhi_cntrl->mhi_dev->dev, "destroy device for chan:%s\n", - mhi_dev->chan_name); + mhi_dev->name); /* Notify the client and remove the device from MHI bus */ device_del(dev); @@ -327,10 +327,10 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl) } /* Channel name is same for both UL and DL */ - mhi_dev->chan_name = mhi_chan->name; + mhi_dev->name = mhi_chan->name; dev_set_name(&mhi_dev->dev, "%s_%s", dev_name(mhi_cntrl->cntrl_dev), - mhi_dev->chan_name); + mhi_dev->name); /* Init wakeup source if available */ if (mhi_dev->dl_chan && mhi_dev->dl_chan->wake_capable) diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 0779bc689b3e..bb337d163dda 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -438,10 +438,10 @@ struct mhi_controller { }; /** - * struct mhi_device - Structure representing a MHI device which binds - * to channels + * struct mhi_device - Structure representing an MHI device which binds + * to channels or is associated with controllers * @id: Pointer to MHI device ID struct - * @chan_name: Name of the channel to which the device binds + * @name: Name of the associated MHI device * @mhi_cntrl: Controller the device belongs to * @ul_chan: UL channel for the device * @dl_chan: DL channel for the device @@ -453,7 +453,7 @@ struct mhi_controller { */ struct mhi_device { const struct mhi_device_id *id; - const char *chan_name; + const char *name; struct mhi_controller *mhi_cntrl; struct mhi_chan *ul_chan; struct mhi_chan *dl_chan;