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(parent: fbb9e22) | patch
usb: dwc2: host: avoid usage of dma_alloc_coherent with irqs disabled
authorGregory Herrero <gregory.herrero@intel.com>
Fri, 20 Nov 2015 10:49:29 +0000 (11:49 +0100)
committerFelipe Balbi <balbi@ti.com>
Tue, 15 Dec 2015 15:12:41 +0000 (09:12 -0600)
commit95105a998dff0747327f11708ea24480ee0eca54
treec634437396d62b1672f56b6a1f884374a4980271tree | snapshot (tar.gz zip)
parentfbb9e22b15ad3c9a98c66bad801b4d1366e8bf20commit | diff
usb: dwc2: host: avoid usage of dma_alloc_coherent with irqs disabled

Use Streaming DMA mappings to handle cache coherency of frame list and
descriptor list. Cache are always flushed before controller access it
or before cpu access it.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/dwc2/core.c diff | blob | blame | history
drivers/usb/dwc2/core.h diff | blob | blame | history
drivers/usb/dwc2/hcd.c diff | blob | blame | history
drivers/usb/dwc2/hcd.h diff | blob | blame | history
drivers/usb/dwc2/hcd_ddma.c diff | blob | blame | history