diff options
| author |   Xiang Chen <chenxiang66@hisilicon.com> | 2016-11-07 20:48:40 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-25 09:54:40 -0500 |
| commit | 2ae757871f48c7d361e093e50d686aba1e47c3d2 (patch) | |
| tree | ee07ca23b74640dba5edd86535dfde003ee02c8d /drivers/scsi/hisi_sas/hisi_sas_main.c | |
| parent | scsi: hisi_sas: use atomic64_t for hisi_sas_device.running_req (diff) | |
| download | linux-dev-2ae757871f48c7d361e093e50d686aba1e47c3d2.tar.xz linux-dev-2ae757871f48c7d361e093e50d686aba1e47c3d2.zip | |
scsi: hisi_sas: add PHY set linkrate support for v1 and v2 hw
Add the function to set PHY min and max linkrate through
sysfs interface.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 18e219408b76..6d6f150d8aed 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -369,9 +369,14 @@ static void hisi_sas_bytes_dmaed(struct hisi_hba *hisi_hba, int phy_no) struct sas_phy *sphy = sas_phy->phy; sphy->negotiated_linkrate = sas_phy->linkrate; - sphy->minimum_linkrate = phy->minimum_linkrate; sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; - sphy->maximum_linkrate = phy->maximum_linkrate; + sphy->maximum_linkrate_hw = + hisi_hba->hw->phy_get_max_linkrate(); + if (sphy->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) + sphy->minimum_linkrate = phy->minimum_linkrate; + + if (sphy->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) + sphy->maximum_linkrate = phy->maximum_linkrate; } if (phy->phy_type & PORT_TYPE_SAS) { @@ -645,6 +650,9 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, break; case PHY_FUNC_SET_LINK_RATE: + hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, funcdata); + break; + case PHY_FUNC_RELEASE_SPINUP_HOLD: default: return -EOPNOTSUPP; |