Re: [PATCH v4] usb: gadget: composite: enable BESL support
On Thu, Apr 30, 2015 at 05:32:57AM +, Du, Changbin wrote: > >From a6615937bcd9234e6d6bb817c3701fce44d0a84d Mon Sep 17 00:00:00 2001 > From: Felipe Balbi > Date: Tue, 30 Sep 2014 16:08:03 -0500 > Subject: [PATCH] usb: gadget: composite: enable BESL support > > commit a6615937bcd9234e6d6bb817c3701fce44d0a84d upstream. > > According to USB 2.0 ECN Errata for Link Power > Management (USB2-LPM-Errata-final.pdf), BESL > must be enabled if LPM is enabled. > > This helps with USB30CV TD 9.21 LPM L1 > Suspend Resume Test. > > Cc: # 3.1+ > Signed-off-by: Felipe Balbi > Signed-off-by: Du, Changbin > --- > Hi, > > This patch was introduced on v3.18. However the issue fixed already existed on > v3.1. Thank Balbi for pointing it out. > > So propose to backport it over all 3.1+ stable trees as well. All I really needed was just the git commit id, and what stable trees to apply it to, no need to keep resending the patch... thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH v4] usb: gadget: composite: enable BESL support
On Thu, Apr 30, 2015 at 05:32:57AM +, Du, Changbin wrote: From a6615937bcd9234e6d6bb817c3701fce44d0a84d Mon Sep 17 00:00:00 2001 From: Felipe Balbi ba...@ti.com Date: Tue, 30 Sep 2014 16:08:03 -0500 Subject: [PATCH] usb: gadget: composite: enable BESL support commit a6615937bcd9234e6d6bb817c3701fce44d0a84d upstream. According to USB 2.0 ECN Errata for Link Power Management (USB2-LPM-Errata-final.pdf), BESL must be enabled if LPM is enabled. This helps with USB30CV TD 9.21 LPM L1 Suspend Resume Test. Cc: sta...@vger.kernel.org # 3.1+ Signed-off-by: Felipe Balbi ba...@ti.com Signed-off-by: Du, Changbin changbin...@intel.com --- Hi, This patch was introduced on v3.18. However the issue fixed already existed on v3.1. Thank Balbi for pointing it out. So propose to backport it over all 3.1+ stable trees as well. All I really needed was just the git commit id, and what stable trees to apply it to, no need to keep resending the patch... thanks, greg k-h -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v4] usb: gadget: composite: enable BESL support
>From a6615937bcd9234e6d6bb817c3701fce44d0a84d Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 30 Sep 2014 16:08:03 -0500 Subject: [PATCH] usb: gadget: composite: enable BESL support commit a6615937bcd9234e6d6bb817c3701fce44d0a84d upstream. According to USB 2.0 ECN Errata for Link Power Management (USB2-LPM-Errata-final.pdf), BESL must be enabled if LPM is enabled. This helps with USB30CV TD 9.21 LPM L1 Suspend Resume Test. Cc: # 3.1+ Signed-off-by: Felipe Balbi Signed-off-by: Du, Changbin --- Hi, This patch was introduced on v3.18. However the issue fixed already existed on v3.1. Thank Balbi for pointing it out. So propose to backport it over all 3.1+ stable trees as well. Du, Changbin --- drivers/usb/gadget/composite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a8c18df..f6a51fd 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -560,7 +560,7 @@ static int bos_desc(struct usb_composite_dev *cdev) usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE; usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY; usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT; - usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT); + usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); /* * The Superspeed USB Capability descriptor shall be implemented by all -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v4] usb: gadget: composite: enable BESL support
From a6615937bcd9234e6d6bb817c3701fce44d0a84d Mon Sep 17 00:00:00 2001 From: Felipe Balbi ba...@ti.com Date: Tue, 30 Sep 2014 16:08:03 -0500 Subject: [PATCH] usb: gadget: composite: enable BESL support commit a6615937bcd9234e6d6bb817c3701fce44d0a84d upstream. According to USB 2.0 ECN Errata for Link Power Management (USB2-LPM-Errata-final.pdf), BESL must be enabled if LPM is enabled. This helps with USB30CV TD 9.21 LPM L1 Suspend Resume Test. Cc: sta...@vger.kernel.org # 3.1+ Signed-off-by: Felipe Balbi ba...@ti.com Signed-off-by: Du, Changbin changbin...@intel.com --- Hi, This patch was introduced on v3.18. However the issue fixed already existed on v3.1. Thank Balbi for pointing it out. So propose to backport it over all 3.1+ stable trees as well. Du, Changbin --- drivers/usb/gadget/composite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a8c18df..f6a51fd 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -560,7 +560,7 @@ static int bos_desc(struct usb_composite_dev *cdev) usb_ext-bLength = USB_DT_USB_EXT_CAP_SIZE; usb_ext-bDescriptorType = USB_DT_DEVICE_CAPABILITY; usb_ext-bDevCapabilityType = USB_CAP_TYPE_EXT; - usb_ext-bmAttributes = cpu_to_le32(USB_LPM_SUPPORT); + usb_ext-bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); /* * The Superspeed USB Capability descriptor shall be implemented by all -- 1.9.1 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
