From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932278AbbBZLsN (ORCPT ); Thu, 26 Feb 2015 06:48:13 -0500 Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:44688 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753652AbbBZLsM (ORCPT ); Thu, 26 Feb 2015 06:48:12 -0500 From: Sudeep Holla To: Felipe Balbi , Laurent Pinchart Cc: Sudeep Holla , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Greg Kroah-Hartman Subject: [PATCH v2] usb: isp1760: add peripheral/device controller chip id Date: Thu, 26 Feb 2015 11:47:57 +0000 Message-Id: <1424951277-13375-1-git-send-email-sudeep.holla@arm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1424800422-25332-1-git-send-email-sudeep.holla@arm.com> References: <1424800422-25332-1-git-send-email-sudeep.holla@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As per the SAF1761 data sheet[0], the DcChipID register represents the hardware version number (0001h) and the chip ID (1582h) for the Peripheral Controller. However as per the ISP1761 data sheet[1], the DcChipID register represents the hardware version number (0015h) and the chip ID (8210h) for the Peripheral Controller. This patch adds support for both the chip ID values. [0] http://www.nxp.com/documents/data_sheet/SAF1761.pdf [1] http://pdf.datasheetcatalog.com/datasheets2/74/742102_1.pdf Cc: Felipe Balbi Cc: Laurent Pinchart Signed-off-by: Sudeep Holla --- drivers/usb/isp1760/isp1760-udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Changes v1->v2: - Updated to support both chip IDs: 0x00011582 and 0x00158210 instead of just 0x00158210 as suggested by Laurent diff --git a/drivers/usb/isp1760/isp1760-udc.c b/drivers/usb/isp1760/isp1760-udc.c index 9612d7990565..6d618b3fab07 100644 --- a/drivers/usb/isp1760/isp1760-udc.c +++ b/drivers/usb/isp1760/isp1760-udc.c @@ -1411,7 +1411,7 @@ static int isp1760_udc_init(struct isp1760_udc *udc) return -ENODEV; } - if (chipid != 0x00011582) { + if (chipid != 0x00011582 && chipid != 0x00158210) { dev_err(udc->isp->dev, "udc: invalid chip ID 0x%08x\n", chipid); return -ENODEV; } -- 1.9.1