From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELuMskbqq2lnm7yVO5EdOjgfDNCRqZVMF0aTEenIfMPFLw3qN7RyKwC4AHFkm5gduMV0Crcr ARC-Seal: i=1; a=rsa-sha256; t=1521483463; cv=none; d=google.com; s=arc-20160816; b=TcWpWQb1pyQ0Uwo4W7q9cMhfmJa48mySkGjMJI2hsbebMFfeqF30wow9A4t5kq5Sw5 xWwU7tbU9KnkT7O5XRCR07XFDLfT/xDfrZjwZKxSZoXYRm45EzwCXYUkXbw3sUx09lfQ QmFTFvYNs4w99fe0T3Ccx91YtPz8+YleVoPAsmVxmkzgy5d1JmOrqQMk77WTcqTvzxPD VY6TiEHdxb8HI2K9BUnB3BYdZxLBdvKVpIfHB4wkAtySjTCQuL0YgqvM4GOCEfFTRV78 mVNlPJiGzviCd6jzjF03qdPQRLqs08JIQRBvEqUFvR4lcDGolWxdw7Sypb1ts5JuvaDl itZw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=uSFhdWT74IFcn7guKWJq/6oQUDS2qOK5MOaLqaNUT5M=; b=pS1BdNz/elW/AD48Yxp1tKFAEohbeM+ACBf+/t7Fc3kRsxwJ5la8QlCybrYCDJV/Ew a8RZFHUGKFWAzUvSgpMg6nfGNxphdasWvBGQZpYY+/rh4C8Xd8GH2ezJGTzBVuvoDEdU +/zuLtp8Mi8dr1dVscinUGGEnFPm+yx16riRlWsGFh/8KXTCG25OIx02clLNLAjGKEzX WHwksccw8iUimJzXvZUsqybBOkMl+OA09uwYbgN+/cBfDISfwn45/kNVONC+Y8mxvBGV /jAeEXYylBe1xTuo1BJYakqlsbYFNbRZTiYgEVcJL070cYhM0v323EPcue1q7S87Hk60 ApDg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org 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 4.4 133/134] usb: gadget: bdc: 64-bit pointer capability check Date: Mon, 19 Mar 2018 19:06:56 +0100 Message-Id: <20180319171908.434936208@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180319171849.024066323@linuxfoundation.org> References: <20180319171849.024066323@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1595391044924888972?= X-GMAIL-MSGID: =?utf-8?q?1595391044924888972?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-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");