From patchwork Fri Jul 2 09:37:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 469769 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 20BEAC11F6A for ; Fri, 2 Jul 2021 09:38:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A811613EE for ; Fri, 2 Jul 2021 09:38:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230078AbhGBJkn (ORCPT ); Fri, 2 Jul 2021 05:40:43 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:55549 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231240AbhGBJkm (ORCPT ); Fri, 2 Jul 2021 05:40:42 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1625218690; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=lAbp70qo+xW3/w/PYMrGGnEPyqTqehiTN92we3c+3Uk=; b=cHdylObprKcKKzRYxYOxcuajIGT+oihPlE/nShoFjlw/o0jpaS78I035Lui6cA8oIdRsazJc 5vdNPuZr596Ns4VaQxkEWoQ60pvuRKgeWK7PcJFbXcTx9blo+L7QqMpjFwT9hhABW/VSqwbp D5VsFPMmopplqVi/bdgFpSbhDGo= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n03.prod.us-east-1.postgun.com with SMTP id 60dede714ca9face34bdefa9 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 02 Jul 2021 09:37:53 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 8A3D3C43145; Fri, 2 Jul 2021 09:37:52 +0000 (UTC) Received: from wcheng-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wcheng) by smtp.codeaurora.org (Postfix) with ESMTPSA id 81D2EC4338A; Fri, 2 Jul 2021 09:37:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 81D2EC4338A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=wcheng@codeaurora.org From: Wesley Cheng To: agross@kernel.org, bjorn.andersson@linaro.org, balbi@kernel.org, gregkh@linuxfoundation.org, robh+dt@kernel.org, frowand.list@gmail.com Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jackp@codeaurora.org, fntoth@gmail.com, Wesley Cheng Subject: [PATCH v12 4/6] of: Add stub for of_add_property() Date: Fri, 2 Jul 2021 02:37:33 -0700 Message-Id: <1625218655-14180-5-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1625218655-14180-1-git-send-email-wcheng@codeaurora.org> References: <1625218655-14180-1-git-send-email-wcheng@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org If building with OF Kconfig disabled, this can lead to errors for drivers utilizing of_add_property(). Add a stub for the add API, as it exists for the remove variant as well, and to avoid compliation issues. Also, export this API so that it can be used by modules. Signed-off-by: Wesley Cheng --- drivers/of/base.c | 1 + include/linux/of.h | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index 48e941f..5883d63 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1821,6 +1821,7 @@ int of_add_property(struct device_node *np, struct property *prop) return rc; } +EXPORT_SYMBOL_GPL(of_add_property); int __of_remove_property(struct device_node *np, struct property *prop) { diff --git a/include/linux/of.h b/include/linux/of.h index d8db8d3..abd39a4 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -946,6 +946,11 @@ static inline int of_machine_is_compatible(const char *compat) return 0; } +static inline int of_add_property(struct device_node *np, struct property *prop) +{ + return 0; +} + static inline int of_remove_property(struct device_node *np, struct property *prop) { return 0; From patchwork Fri Jul 2 09:37:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 469767 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 BC977C11F6B for ; Fri, 2 Jul 2021 09:38:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6364613EE for ; Fri, 2 Jul 2021 09:38:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231501AbhGBJlA (ORCPT ); Fri, 2 Jul 2021 05:41:00 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:50700 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231354AbhGBJkp (ORCPT ); Fri, 2 Jul 2021 05:40:45 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1625218694; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=nZjdf/YIZuObh/zYQVUmteSyPqAUYoSWQnYeQyM+fME=; b=Uym+uCtCAm9ezhs8MdQu0wgApDbXkSFjfySSgybcOJFAHrN2k+1XUcArrBKR38GrC27FTZa7 0R9CqCR/9tRauIIojmDBr4SDXn2xzfgYBg+PgEnxut4VcEEaUHlQexmv0n1JgYU6ZxjCP/Xy VAl/VnCXhU3YgBWIcWfnAbjQFQY= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyIxZTE2YSIsICJsaW51eC11c2JAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 60dede712a2a9a976135c3a7 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 02 Jul 2021 09:37:53 GMT Sender: wcheng=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 95B57C43144; Fri, 2 Jul 2021 09:37:53 +0000 (UTC) Received: from wcheng-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: wcheng) by smtp.codeaurora.org (Postfix) with ESMTPSA id 37CC4C4323A; Fri, 2 Jul 2021 09:37:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 37CC4C4323A Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=wcheng@codeaurora.org From: Wesley Cheng To: agross@kernel.org, bjorn.andersson@linaro.org, balbi@kernel.org, gregkh@linuxfoundation.org, robh+dt@kernel.org, frowand.list@gmail.com Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jackp@codeaurora.org, fntoth@gmail.com, Wesley Cheng Subject: [PATCH v12 6/6] dt-bindings: usb: dwc3: Update dwc3 TX fifo properties Date: Fri, 2 Jul 2021 02:37:35 -0700 Message-Id: <1625218655-14180-7-git-send-email-wcheng@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1625218655-14180-1-git-send-email-wcheng@codeaurora.org> References: <1625218655-14180-1-git-send-email-wcheng@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Update the tx-fifo-resize property with a better description, while adding the tx-fifo-max-num, which is a new parameter allowing adjustments for the maximum number of packets the txfifo resizing logic can account for while resizing the endpoints. Reviewed-by: Rob Herring Signed-off-by: Wesley Cheng --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 41416fb..078fb78 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -289,10 +289,21 @@ properties: maximum: 16 tx-fifo-resize: - description: Determines if the FIFO *has* to be reallocated - deprecated: true + description: Determines if the TX fifos can be dynamically resized depending + on the number of IN endpoints used and if bursting is supported. This + may help improve bandwidth on platforms with higher system latencies, as + increased fifo space allows for the controller to prefetch data into its + internal memory. type: boolean + tx-fifo-max-num: + description: Specifies the max number of packets the txfifo resizing logic + can account for when higher endpoint bursting is used. (bMaxBurst > 6) The + higher the number, the more fifo space the txfifo resizing logic will + allocate for that endpoint. + $ref: /schemas/types.yaml#/definitions/uint8 + minimum: 3 + snps,incr-burst-type-adjustment: description: Value for INCR burst type of GSBUSCFG0 register, undefined length INCR