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If a USB transfer has already been started, meaning we have already issued StartTransfer command to that particular endpoint, DWC3_EP_BUSY flag has also already been set. When we try to cancel this transfer which is already in controller's cache, we will not receive XferComplete event and we must clear DWC3_EP_BUSY in order to allow subsequent requests to be properly started. The best place to clear that flag is right after issuing DWC3_DEPCMD_ENDTRANSFER. Cc: stable@vger.kernel.org # v3.4 v3.5 v3.6 Reported-by: Moiz Sonasath <m-sonasath@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com> |
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| .. | ||
| core.c | ||
| core.h | ||
| debug.h | ||
| debugfs.c | ||
| dwc3-exynos.c | ||
| dwc3-omap.c | ||
| dwc3-pci.c | ||
| ep0.c | ||
| gadget.c | ||
| gadget.h | ||
| host.c | ||
| io.h | ||
| Kconfig | ||
| Makefile | ||