From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:52362 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031771AbeCSS2q (ORCPT ); Mon, 19 Mar 2018 14:28:46 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Florian Fainelli , Srinath Mannam , Felipe Balbi Subject: [PATCH 4.9 241/241] usb: gadget: bdc: 64-bit pointer capability check Date: Mon, 19 Mar 2018 19:08:26 +0100 Message-Id: <20180319180801.149222902@linuxfoundation.org> In-Reply-To: <20180319180751.172155436@linuxfoundation.org> References: <20180319180751.172155436@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Srinath Mannam commit c8e4e5bdb62a5ac6f860ebcaaf7b467b62f453f1 upstream. Corrected the register to check the 64-bit pointer capability state. 64-bit pointer implementation capability was checking in wrong register, which causes the BDC enumeration failure in 64-bit memory address. Fixes: efed421a94e6 ("usb: gadget: Add UDC driver for Broadcom USB3.0 device controller IP BDC") Reviewed-by: Florian Fainelli Signed-off-by: Srinath Mannam Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/bdc/bdc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -475,7 +475,7 @@ static int bdc_probe(struct platform_dev bdc->dev = dev; dev_dbg(bdc->dev, "bdc->regs: %p irq=%d\n", bdc->regs, bdc->irq); - temp = bdc_readl(bdc->regs, BDC_BDCSC); + temp = bdc_readl(bdc->regs, BDC_BDCCAP1); if ((temp & BDC_P64) && !dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64))) { dev_dbg(bdc->dev, "Using 64-bit address\n");