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The cw1200_spi driver tries to mirror the cw1200_sdio driver's lock API, which relies on sdio_claim_host/sdio_release_host to serialize hardware operations across multiple threads. Unfortunately the implementation was flawed, as it lacked a way to wake up the lock requestor when there was contention, often resulting in a hang. This problem was uncovered while trying to fix the spi-transfers-in-interrupt-context BUG() corrected in the previous patch. Many thanks to Dave Sizeburns for his assistance in fixing this. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com> |
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| .. | ||
| bh.c | ||
| bh.h | ||
| cw1200_sdio.c | ||
| cw1200_spi.c | ||
| cw1200.h | ||
| debug.c | ||
| debug.h | ||
| fwio.c | ||
| fwio.h | ||
| hwbus.h | ||
| hwio.c | ||
| hwio.h | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| pm.c | ||
| pm.h | ||
| queue.c | ||
| queue.h | ||
| scan.c | ||
| scan.h | ||
| sta.c | ||
| sta.h | ||
| txrx.c | ||
| txrx.h | ||
| wsm.c | ||
| wsm.h | ||