From patchwork Tue Mar 28 16:07:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Birsan X-Patchwork-Id: 9650149 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A067360349 for ; Tue, 28 Mar 2017 16:10:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91AE428414 for ; Tue, 28 Mar 2017 16:10:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 868DF28420; Tue, 28 Mar 2017 16:10:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1C8F02841C for ; Tue, 28 Mar 2017 16:10:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ibZ/2+NCTebeE0rnUE0jBm1ytzvCUs1eMpPzLkK6ADY=; b=dwore2gnmFvh7x xK1Q45bygzbFY1LpizBh9+C7qCTiEZSp9mdUytrbBKYft6bXhl7MBoQkBe8BzczgcJraZWIpFq6/U tdo+GQNPedgYqrXHNJKmT4ZB38zyK0LAGFXomOQpvvb+XvfMQ8OZyswvtCyqzvw51yGchQMCxsxov QmoY6v4LOg9TR7gjk4megEjodmk4oF0t6N6qqSiBwR+YvXUhdjaHxs/UGDqjzCjsWGjhzL8R9oUkv 56U8Z6Mk84kL1hqb7JQDlAimG3rJjrjcxWi0rK7QccUrOZW/GKlvtoVIesqf2Fs3KHsraZ5BD1Mau GQ6Eal3YsAIUXNUlZIAQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1csthh-0005ql-8I; Tue, 28 Mar 2017 16:10:41 +0000 Received: from esa4.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cstgp-0003jw-8f for linux-arm-kernel@lists.infradead.org; Tue, 28 Mar 2017 16:09:53 +0000 X-IronPort-AV: E=Sophos;i="5.36,237,1486450800"; d="scan'208";a="643145" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA; 28 Mar 2017 09:09:23 -0700 Received: from cristi-W530.microchip.com (10.10.76.4) by chn-sv-exch07.mchp-main.com (10.10.76.108) with Microsoft SMTP Server id 14.3.181.6; Tue, 28 Mar 2017 09:09:21 -0700 From: To: , , , , , Subject: [PATCH linux-next v2 4/4] usb: gadget: udc: atmel: Update Kconfig help for fifo_mode = 0 Date: Tue, 28 Mar 2017 19:07:39 +0300 Message-ID: <694c16615edb998a8231a04a6d3171e5ceb65c4b.1490715349.git.cristian.birsan@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170328_090949_306356_5213EA4F X-CRM114-Status: UNSURE ( 9.44 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: boris.brezillon@free-electrons.com, ludovic.desroches@atmel.com, alexandre.belloni@free-electrons.com, Cristian Birsan Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Cristian Birsan Update Kconfig help for fifo_mode = 0 to explain the behavior better. Signed-off-by: Cristian Birsan --- drivers/usb/gadget/udc/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index c6cc9d3..1fd3fe9 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -62,8 +62,9 @@ config USB_ATMEL_USBA The fifo_mode parameter is used to select endpoint allocation mode. fifo_mode = 0 is used to let the driver autoconfigure the endpoints. - In this case 2 banks are allocated for isochronous endpoints and - only one bank is allocated for the rest of the endpoints. + In this case, for ep1 2 banks are allocated if it works in isochronous + mode and only 1 bank otherwise. For the rest of the endpoints + only 1 bank is allocated. fifo_mode = 1 is a generic maximum fifo size (1024 bytes) configuration allowing the usage of ep1 - ep6