Kevin Barnett dac12fbc7b scsi: smartpqi: fix critical ARM issue reading PQI index registers
Use the readl() kernel function to read all index registers. For ARM
systems, this function includes a read memory barrier that eliminates ci/pi
corruption.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Tested-by: Shunyong Yang <shunyong.yang@hxt-semitech.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-06-19 22:02:25 -04:00
..
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