From: <gregkh@linuxfoundation.org>
To: srinath.mannam@broadcom.com, f.fainelli@gmail.com,
felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "usb: gadget: bdc: 64-bit pointer capability check" has been added to the 4.9-stable tree
Date: Mon, 19 Mar 2018 18:11:21 +0100 [thread overview]
Message-ID: <152147948122447@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
usb: gadget: bdc: 64-bit pointer capability check
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-gadget-bdc-64-bit-pointer-capability-check.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From c8e4e5bdb62a5ac6f860ebcaaf7b467b62f453f1 Mon Sep 17 00:00:00 2001
From: Srinath Mannam <srinath.mannam@broadcom.com>
Date: Thu, 15 Jun 2017 14:39:22 +0530
Subject: usb: gadget: bdc: 64-bit pointer capability check
From: Srinath Mannam <srinath.mannam@broadcom.com>
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 <f.fainelli@gmail.com>
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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");
Patches currently in stable-queue which might be from srinath.mannam@broadcom.com are
queue-4.9/usb-gadget-bdc-64-bit-pointer-capability-check.patch
reply other threads:[~2018-03-19 17:11 UTC|newest]
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