From patchwork Thu Oct 22 05:15:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 11850275 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 1C50414B2 for ; Thu, 22 Oct 2020 05:15:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECF022145D for ; Thu, 22 Oct 2020 05:15:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="S5N1BnMy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2507855AbgJVFPw (ORCPT ); Thu, 22 Oct 2020 01:15:52 -0400 Received: from smtprelay-out1.synopsys.com ([149.117.73.133]:41736 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2444222AbgJVFPw (ORCPT ); Thu, 22 Oct 2020 01:15:52 -0400 Received: from mailhost.synopsys.com (sv2-mailhost2.synopsys.com [10.205.2.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id E4CBB40181; Thu, 22 Oct 2020 05:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1603343752; bh=Q1ZYE6reHY0F1dz85PwR6YQ0Qz3ZFxx6l4YroKIniEs=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=S5N1BnMy+Jqg/cUMkL8le1YBGDgNX5C1mYPg5paYEoUjHnVADZv7S9yDDtPGFYucZ MkR3Y+6imsU4SgJMKtfR+esr3AYDT53kGdN4tksm5znav8sklxSwn0FL4W2SlJVzMJ isxCeL2wDrV53VkXy84sU5wa5kOc57SCNm0lIys/DJ+Nx2f8eItm5iZM+3w+klTwU5 IToq2V89JcG+HSXbjcifcO/5tkrKm1RgqDKYpMKeuOkA39ac+SK+8Hk7xbjJBw4hbt Cu7bV+DXUyM4O4nei1kUYl25uGNfUoUtW6sbp/1LZdD1ATYDHTGn24eJYAtK9B35mG 7JcBoPObwHlHA== Received: from te-lab16 (nanobot.internal.synopsys.com [10.10.186.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailhost.synopsys.com (Postfix) with ESMTPSA id 946ACA0099; Thu, 22 Oct 2020 05:15:50 +0000 (UTC) Received: by te-lab16 (sSMTP sendmail emulation); Wed, 21 Oct 2020 22:15:50 -0700 Date: Wed, 21 Oct 2020 22:15:50 -0700 Message-Id: <8a09af680a561e8cab542fb9a39d31251fdb3983.1603343705.git.Thinh.Nguyen@synopsys.com> In-Reply-To: <770d7a50caad241f07d656e29e89e282f727f5da.1603343705.git.Thinh.Nguyen@synopsys.com> References: <770d7a50caad241f07d656e29e89e282f727f5da.1603343705.git.Thinh.Nguyen@synopsys.com> X-SNPS-Relay: synopsys.com From: Thinh Nguyen Subject: [RFC PATCH 2/3] usb: dwc3: Set blocked-disconnection quirk To: Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org Cc: John Youn Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Enable blocked-disconnection quirk in HAPS glue driver and pass it to the host platform device. Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/dwc3-haps.c | 1 + drivers/usb/dwc3/host.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/dwc3-haps.c b/drivers/usb/dwc3/dwc3-haps.c index 55b4a901168e..a0cd0b4c5929 100644 --- a/drivers/usb/dwc3/dwc3-haps.c +++ b/drivers/usb/dwc3/dwc3-haps.c @@ -26,6 +26,7 @@ struct dwc3_haps { }; static const struct property_entry initial_properties[] = { + PROPERTY_ENTRY_BOOL("snps,blocked-disconnection"), PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"), PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"), diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index e195176580de..ce512acf1de1 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -44,7 +44,7 @@ static int dwc3_host_get_irq(struct dwc3 *dwc) int dwc3_host_init(struct dwc3 *dwc) { - struct property_entry props[4]; + struct property_entry props[5]; struct platform_device *xhci; int ret, irq; struct resource *res; @@ -95,6 +95,9 @@ int dwc3_host_init(struct dwc3 *dwc) if (dwc->usb2_lpm_disable) props[prop_idx++] = PROPERTY_ENTRY_BOOL("usb2-lpm-disable"); + if (device_property_read_bool(dwc->dev, "snps,blocked-disconnection")) + props[prop_idx++] = PROPERTY_ENTRY_BOOL("blocked-disconnection"); + /** * WORKAROUND: dwc3 revisions <=3.00a have a limitation * where Port Disable command doesn't work.