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authorJohn Garry <john.garry@huawei.com>2019-04-11 15:46:38 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-04-13 04:30:12 +0300
commitc63b88ccff0a0efff1d14aa25439ae3e207a5ccf (patch)
tree65986e8ddf7155e166c998267e19a1a266de73d0 /drivers/scsi/libsas/sas_init.c
parent447f78c0e183892bcdd5664472cfcb8846b9081e (diff)
downloadlinux-c63b88ccff0a0efff1d14aa25439ae3e207a5ccf.tar.xz
scsi: hisi_sas: Fix for setting the PHY linkrate when disconnected
In commit efdcad62e7b8 ("scsi: hisi_sas: Set PHY linkrate when disconnected"), we use the sas_phy_data.enable flag to track whether the PHY was enabled or not, so that we know if we should set the PHY negotiated linkrate at SAS_LINK_RATE_UNKNOWN or SAS_PHY_DISABLED. However, it is not proper to use sas_phy_data.enable, since it is only set when libsas attempts to set the PHY disabled/enabled; hence, it may not even have an initial value. As a solution to this problem, introduce hisi_sas_phy.enable to track whether the PHY is enabled or not, so that we can set the negotiated linkrate properly when the PHY comes down. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_init.c')
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