projects / firefly-linux-kernel-4.4.55.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 6d10fa8) | patch
USB: fix ep_queue request buf dma map and unmap.
authorwlf <wulf@rock-chips.com>
Wed, 16 Jul 2014 06:13:57 +0000 (14:13 +0800)
committerwlf <wulf@rock-chips.com>
Wed, 16 Jul 2014 06:13:57 +0000 (14:13 +0800)
commit86d84a1a6b779d668b8686c2c42a1659108cd6d0
treeca03f7be4abc5fb794caf19bfebcdffd6c4f611dtree | snapshot
parent6d10fa81b32256087cc481c3289153b75e3f10ebcommit | diff
USB: fix ep_queue request buf dma map and unmap.

1. For 0 length buf, perform dma map with length 4
   to avoid kernel stack dump occurred.
2. Do dma unmap before req->complete to avoid dma
   addr reused after unmapped.
drivers/usb/dwc_otg_310/dwc_otg_pcd_linux.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.