linux.git/drivers/usb/dwc2/hcd.c, branch v4.2 Linux kernel source tree usb: dwc2: host: allocate qtd before atomic enqueue 2015-07-06T17:34:08+00:00 Mian Yousaf Kaukab yousaf.kaukab@intel.com 2015-06-29T09:05:29+00:00 b5a468a6aa1ca9176594cd603760d80fa1e8b15e To avoid sleep while atomic bugs, allocate qtd before calling dwc2_hcd_urb_enqueue. No need to pass mem_flags to dwc2_hcd_urb_enqueue any more as no memory allocations are done in it. Acked-by: John Youn <johnyoun@synopsys.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
To avoid sleep while atomic bugs, allocate qtd before calling
dwc2_hcd_urb_enqueue. No need to pass mem_flags to
dwc2_hcd_urb_enqueue any more as no memory allocations are done in it.

Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: allocate qh before atomic enqueue 2015-07-06T17:34:08+00:00 Mian Yousaf Kaukab yousaf.kaukab@intel.com 2015-06-29T09:05:28+00:00 b58e6ceef96f2fbcb1698b0a7c7df59fdea0aa32 To avoid sleep while atomic bugs, allocate qh before calling dwc2_hcd_urb_enqueue. qh pointer can be used directly now instead of passing ep->hcpriv as double pointer. Acked-by: John Youn <johnyoun@synopsys.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
To avoid sleep while atomic bugs, allocate qh before calling
dwc2_hcd_urb_enqueue. qh pointer can be used directly now instead of
passing ep->hcpriv as double pointer.

Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: hcd: fix build warning 2015-05-13T17:03:23+00:00 Felipe Balbi balbi@ti.com 2015-05-08T18:30:12+00:00 3521a399dae8d66fc784cef70a78e65ce73e364f commit db62b9a804b4 (usb: dwc2: host: don't use dma_alloc_coherent with irqs disabled) introduced a build warning by using NULL as an integer. Fix that by just using 0 instead of NULL. Signed-off-by: Felipe Balbi <balbi@ti.com> 
commit db62b9a804b4 (usb: dwc2: host: don't
use dma_alloc_coherent with irqs disabled)
introduced a build warning by using NULL
as an integer. Fix that by just using 0 instead
of NULL.

Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: remove dwc2_platform.ko 2015-04-29T20:20:11+00:00 Mian Yousaf Kaukab yousaf.kaukab@intel.com 2015-04-29T20:09:18+00:00 2d1165a4b95e25aed83fed737d53ab0c87b831e6 As dwc2 pci module is now exporting dwc2 platform device, include platform.o in dwc2-y and remove USB_DWC2_PLATFORM configuration option. Driver will be built as two modules, dwc2.ko and dwc2_pci.ko. dwc2.ko is the new platform driver. Remove all EXPORT_SYMBOL_GPL as they are not needed any more. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
As dwc2 pci module is now exporting dwc2 platform device, include
platform.o in dwc2-y and remove USB_DWC2_PLATFORM configuration
option. Driver will be built as two modules, dwc2.ko and dwc2_pci.ko.
dwc2.ko is the new platform driver.

Remove all EXPORT_SYMBOL_GPL as they are not needed any more.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: implement test mode 2015-04-29T20:20:05+00:00 Jingwu Lin jingwu.lin@intel.com 2015-04-29T20:09:17+00:00 96d480e65ea0e4e950f75029b8a1ff4c1269f8b0 Add support for SetPortFeature(PORT_TEST) for root port. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Jingwu Lin <jingwu.lin@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
Add support for SetPortFeature(PORT_TEST) for root port.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Jingwu Lin <jingwu.lin@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: don't use dma_alloc_coherent with irqs disabled 2015-04-29T20:20:00+00:00 Gregory Herrero gregory.herrero@intel.com 2015-04-29T20:09:16+00:00 db62b9a804b465f5050438eb06151c99c625ec9a Align buffer must be allocated using kmalloc since irqs are disabled. Coherency is handled through dma_map_single which can be used with irqs disabled. Reviewed-by: Julius Werner <jwerner@chromium.org> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
Align buffer must be allocated using kmalloc since irqs are disabled.
Coherency is handled through dma_map_single which can be used with irqs
disabled.

Reviewed-by: Julius Werner <jwerner@chromium.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: spinlock urb_enqueue 2015-04-29T20:19:55+00:00 Gregory Herrero gregory.herrero@intel.com 2015-04-29T20:09:15+00:00 33ad261aa62be02f0cedeb4d5735cc726de84a3f During urb_enqueue, if the urb can't be queued to the endpoint, the urb is freed without any spinlock protection. This leads to memory corruption when concurrent urb_dequeue try to free same urb->hcpriv. Thus, ensure the whole urb_enqueue in spinlocked. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
During urb_enqueue, if the urb can't be queued to the endpoint,
the urb is freed without any spinlock protection.
This leads to memory corruption when concurrent urb_dequeue try to free
same urb->hcpriv.
Thus, ensure the whole urb_enqueue in spinlocked.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: add bus_suspend/bus_resume callback 2015-04-29T20:19:44+00:00 Gregory Herrero gregory.herrero@intel.com 2015-04-29T20:09:13+00:00 99a657983a1e03fd3b8495199bb0a4870c1abda4 Update controller state to indicate suspend entry. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
Update controller state to indicate suspend entry.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: host: register handle to the phy 2015-04-29T20:19:39+00:00 Mian Yousaf Kaukab yousaf.kaukab@intel.com 2015-04-29T20:09:12+00:00 9df4ceac8b359b6c261c10132fd3a49558bebd16 If phy driver is present register hcd handle to it. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
If phy driver is present register hcd handle to it.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
usb: dwc2: set parameter values in probe function 2015-04-29T20:19:02+00:00 Mian Yousaf Kaukab yousaf.kaukab@intel.com 2015-04-29T20:09:05+00:00 ecb176c63ac49ddcea83b0171ead1372bb78c165 So the parameters can be used in both host and gadget modes. Also consolidate param functions in the core.h Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com> 
So the parameters can be used in both host and gadget modes.
Also consolidate param functions in the core.h

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>