Fix high CPU usage in AP-mode
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b4 am [email protected]Versions newest first
- v1 Latest4 patches 0 repliesNew
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | zd1211rw: correct use of usb_bulk_msg on interrupt endpointsdrivers/ | +12 | 0 replies | |
| 2/4 | zd1211rw: use async urb for write commanddrivers/ drivers/ | +142 | 0 replies | |
| 3/4 | zd1211rw: move async iowrite16v up to callersdrivers/ drivers/ drivers/ | +37 | 0 replies | |
| 4/4 | zd1211rw: add unlikely to ZD_ASSERTdrivers/ | +1 | 0 replies |
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Cover letter [PATCH 0/4] Fix high CPU usage in AP-mode
Series fix high CPU usage noticed in AP-mode. On Intel Atom AP-mode with 100 TU beacon interval was causing CPU usage of ~10%. With these patches CPU usage goes down to ~2%.
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Jussi Kivilinna (4):
zd1211rw: correct use of usb_bulk_msg on interrupt endpoints
zd1211rw: use async urb for write command
zd1211rw: move async iowrite16v up to callers
zd1211rw: add unlikely to ZD_ASSERT
drivers/net/wireless/zd1211rw/zd_chip.c | 35 +++++- drivers/net/wireless/zd1211rw/zd_def.h | 2 drivers/net/wireless/zd1211rw/zd_usb.c | 177 +++++++++++++++++++++++++------ drivers/net/wireless/zd1211rw/zd_usb.h | 9 +- 4 files changed, 182 insertions(+), 41 deletions(-)