scsi: ufs: Use blk_{get,put}_request() to allocate and free TMFs

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Manage TMF tags with blk_{get,put}_request() instead of
ufshcd_get_tm_free_slot() / ufshcd_put_tm_slot(). Store a per-request
completion pointer in request.end_io_data instead of using a waitqueue to
report TMF completion.

Cc: Can Guo <cang@codeaurora.org>
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191209181309.196233-3-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Bart Van Assche 2019-12-09 10:13:09 -08:00 • committed by Martin K. Petersen

parent 7252a36030

commit 69a6c269c0

2 changed files with 80 additions and 62 deletions

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130

drivers/scsi/ufs/ufshcd.c

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12

drivers/scsi/ufs/ufshcd.h

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