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authorMika Westerberg <mika.westerberg@linux.intel.com>2020-02-14 20:25:34 +0300
committerMika Westerberg <mika.westerberg@linux.intel.com>2020-06-22 19:58:32 +0300
commit6bfe33473eaac9443dfce129b3107cc27abc1e47 (patch)
tree5024daf0cbbe0851addcb22568f2885afed5f392 /Documentation
parent7e72846bb97a86d19a249d230b12a6e33e947026 (diff)
downloadlinux-6bfe33473eaac9443dfce129b3107cc27abc1e47.tar.xz
thunderbolt: Retry USB4 block read operation
Especially when accessing retimers over USB4 sideband operations the possibility to get read errors seems to be higher so make the usb4_do_read_data() retry a couple of times if it sees any other error than -ENODEV (device is gone). We can only do this for read side because it carries the offset as part of metadata (as opposed to writes). Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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