From patchwork Tue Aug 27 17:51:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Micha=C5=82_Pecio?= X-Patchwork-Id: 823016 Received: from mail-lf1-f42.google.com (mail-lf1-f42.google.com [209.85.167.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9EB2464A for ; Tue, 27 Aug 2024 17:51:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724781104; cv=none; b=FfWccrFi1Y7oDDM0nLg57bJfdGV0bYSDKV1Hg2k8HoF/l9t0q3EQ9Ac/vry0uwsSftlFbYrAM57NMpTkd9JQSxk85iOAIdrZ1E57pgWmuS6tG4RoViI/Qy7h9IeBageSGT10T3fXA1iWb1D8jYW1otX52yHa4sebGzJ+MlXWaRI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724781104; c=relaxed/simple; bh=DXzDBKtxPymdALo95TtDZg+Y0fTm4sl0XyGKbn2iFzY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=GZc+WzUErQ0fAuTcD3fAd03oitw12rXVPor/N0XOEswU7mjmxz8wgZQuxsGhSFUqSEVFwAxIi742N3wNvqlDjUnWQCjm8/OJTgXPkH69wgbB8YRtnrB5F1g8cO3U7H0OagUkZciGOKjixjUm97+XFBfnv5ENSqbbq05FqLF0jn0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kOmcayY0; arc=none smtp.client-ip=209.85.167.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kOmcayY0" Received: by mail-lf1-f42.google.com with SMTP id 2adb3069b0e04-533462b9428so9875358e87.3 for ; Tue, 27 Aug 2024 10:51:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724781101; x=1725385901; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=45HTGQJVSBp5kQg+4OTSk7U8sPIgi6UhdgMThKsrpN4=; b=kOmcayY0OWxIis8fTtjHjE1qVTBduaSw2TTtmg4uZaFwn8Aijh8qsxJ7aTFZ3yWP0/ w87XtJCs5Q34eA7uMBnysIs0Kq0dhWk+NwvBGO62h3dy5IJyfvw7qncGb5T0R4TUzAYH H15Cjw2t//2XkGrr3yGdts2O2vanwCXwn+CUiI3qyXT/HReSlobKpmZMXDtqBsDAmwQU qKVc6XebDdgMuBb8no/a+QuqSjiVnyMo2g+X0npDRYmHNy5WuL/I6h0CIqrskUrEZQ0V vX3zbcNuVJUFqHAZcqk4mFLlwSB1zDI4h07ZLLp8Q6pnggAOK942yvZ7VPSKDvxtDqwR eA+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724781101; x=1725385901; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=45HTGQJVSBp5kQg+4OTSk7U8sPIgi6UhdgMThKsrpN4=; b=vpXym5VduE4Zk/4Uw+zrlBmnPCcOuzZje9VplyRgtNvynDN5sCuzhmsdFfTGwJzpEv iBy1122IY1YqbkGoC8leZt3Th1tl0AqfYi5XvYsuwRJVT61gnuecpVCHWoM9HR9Ap8z8 STChZjFX5OirnXHCmi9kurTX5yU3Xd4eFs1RpF0OXB9NVtTV2sABATmNgJqdVu1mDr3o jnsDNZXhRr7nb6R+HH/r8MvBxNVCngV+YsVWO5ZLp2hv8pln4lSmH9hgrJXPrMmB3Mxw NaCE65YPh9klAUTqbHTIFOMO5/yI0hLoYFG1HHG32mk9gmCfeNyHlfT5CwI34LONc308 AYjg== X-Gm-Message-State: AOJu0YxpfnEV4NZr53GG+85mw6rCUOV7gkDzUUdSW/gETxYsM8ZZhyEU upBvzXWpJOYSNpnY2tu00mon6Q9Vbo1yLSZmp0RbyWdo4cVqT4Qp X-Google-Smtp-Source: AGHT+IHWHb2VlAKbSypOv/8AboV5MAF06nXdMOxKUy2dHv5XHUqXLKuogiqVjGkU0chjmfWlFoOEhg== X-Received: by 2002:a05:6512:308a:b0:530:b773:b4ce with SMTP id 2adb3069b0e04-53438851b52mr12526602e87.33.1724781100395; Tue, 27 Aug 2024 10:51:40 -0700 (PDT) Received: from foxbook (bgu35.neoplus.adsl.tpnet.pl. [83.28.84.35]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5334ea296c6sm1852890e87.56.2024.08.27.10.51.39 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 27 Aug 2024 10:51:40 -0700 (PDT) Date: Tue, 27 Aug 2024 19:51:36 +0200 From: Michal Pecio To: Mathias Nyman Cc: linux-usb@vger.kernel.org Subject: [PATCH 5/9] usb: xhci: Simplify error_mid_td marking Message-ID: <20240827195136.45ffd31e@foxbook> In-Reply-To: <20240827194625.61be5733@foxbook> References: <20240827194625.61be5733@foxbook> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 It doesn't matter whether we set this flag or not on the final TRB, because the TD is about to be immediately "finished" anyway. Without these checks the code looks cleaner and easier to follow. Signed-off-by: Michal Pecio --- drivers/usb/host/xhci-ring.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index cc0420021683..c777cb897579 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2410,26 +2410,23 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep, sum_trbs_for_length = true; fallthrough; case COMP_ISOCH_BUFFER_OVERRUN: frame->status = -EOVERFLOW; - if (ep_trb != td->last_trb) - td->error_mid_td = true; + td->error_mid_td = true; break; case COMP_MISSED_SERVICE_ERROR: frame->status = -EXDEV; sum_trbs_for_length = true; - if (ep_trb != td->last_trb) - td->error_mid_td = true; + td->error_mid_td = true; break; case COMP_INCOMPATIBLE_DEVICE_ERROR: case COMP_STALL_ERROR: frame->status = -EPROTO; break; case COMP_USB_TRANSACTION_ERROR: frame->status = -EPROTO; sum_trbs_for_length = true; - if (ep_trb != td->last_trb) - td->error_mid_td = true; + td->error_mid_td = true; break; case COMP_STOPPED: sum_trbs_for_length = true; break;