diff options
| author |   John Garry <john.garry@huawei.com> | 2018-05-21 18:09:13 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2018-05-28 22:40:31 -0400 |
| commit | 757db2dae2c79b1f713043fcc13542683963fa82 (patch) | |
| tree | 729057109aa8fd2da7565b9daf6aa95d42b8a4a9 /drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | |
| parent | scsi: hisi_sas: fix a typo in hisi_sas_task_prep() (diff) | |
| download | linux-dev-757db2dae2c79b1f713043fcc13542683963fa82.tar.xz linux-dev-757db2dae2c79b1f713043fcc13542683963fa82.zip | |
scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
There is much common code and functionality between the HW versions to set
the PHY linkrate.
As such, this patch factors out the common code into a generic function
hisi_sas_phy_set_linkrate().
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v3_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index c013673ee8ac..0a80a39eccdd 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1879,29 +1879,12 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba) static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no, struct sas_phy_linkrates *r) { - struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; - struct asd_sas_phy *sas_phy = &phy->sas_phy; - enum sas_linkrate min, max; + enum sas_linkrate max = r->maximum_linkrate; u32 prog_phy_link_rate = 0x800; - if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) { - max = sas_phy->phy->maximum_linkrate; - min = r->minimum_linkrate; - } else if (r->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) { - max = r->maximum_linkrate; - min = sas_phy->phy->minimum_linkrate; - } else - return; - - sas_phy->phy->maximum_linkrate = max; - sas_phy->phy->minimum_linkrate = min; prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max); - - disable_phy_v3_hw(hisi_hba, phy_no); - msleep(100); hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, - prog_phy_link_rate); - start_phy_v3_hw(hisi_hba, phy_no); + prog_phy_link_rate); } static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba) |