diff options
author | Xiang Chen <chenxiang66@hisilicon.com> | 2018-03-07 15:25:12 +0300 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-03-13 04:55:25 +0300 |
commit | edafeef4f28ded4ea9ba7876cc35861d43c7b2b1 (patch) | |
tree | 03969fe2ef37c4b2f0574bf840c3d469d48a7f81 /drivers | |
parent | 6bf6db518cd10ad57e659607d0abece1b81956c6 (diff) | |
download | linux-edafeef4f28ded4ea9ba7876cc35861d43c7b2b1.tar.xz |
scsi: hisi_sas: Code cleanup and minor bug fixes
The patch does some code cleanup and fixes some small bugs:
- Correct return status of phy_up_v3_hw() and phy_bcast_v3_hw()
- Add static for function phy_get_max_linkrate_v3_hw()
- Change exception return status when no reset method
- Change magic value to ts->stat in slot_complete_vx_hw()
- Remove unnecessary check for dev_is_sata()
- Fix some issues of alignment and indents (Authored by Xiaofei Tan in
another patch, but added here to be practical)
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 14 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 4 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 10 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 28 |
4 files changed, 33 insertions, 23 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index dff972393086..49c1fa643803 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -33,7 +33,7 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) case ATA_CMD_FPDMA_RECV: case ATA_CMD_FPDMA_SEND: case ATA_CMD_NCQ_NON_DATA: - return HISI_SAS_SATA_PROTOCOL_FPDMA; + return HISI_SAS_SATA_PROTOCOL_FPDMA; case ATA_CMD_DOWNLOAD_MICRO: case ATA_CMD_ID_ATA: @@ -45,7 +45,7 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) case ATA_CMD_WRITE_LOG_EXT: case ATA_CMD_PIO_WRITE: case ATA_CMD_PIO_WRITE_EXT: - return HISI_SAS_SATA_PROTOCOL_PIO; + return HISI_SAS_SATA_PROTOCOL_PIO; case ATA_CMD_DSM: case ATA_CMD_DOWNLOAD_MICRO_DMA: @@ -64,7 +64,7 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) case ATA_CMD_WRITE_LOG_DMA_EXT: case ATA_CMD_WRITE_STREAM_DMA_EXT: case ATA_CMD_ZAC_MGMT_IN: - return HISI_SAS_SATA_PROTOCOL_DMA; + return HISI_SAS_SATA_PROTOCOL_DMA; case ATA_CMD_CHK_POWER: case ATA_CMD_DEV_RESET: @@ -77,21 +77,21 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) case ATA_CMD_STANDBY: case ATA_CMD_STANDBYNOW1: case ATA_CMD_ZAC_MGMT_OUT: - return HISI_SAS_SATA_PROTOCOL_NONDATA; + return HISI_SAS_SATA_PROTOCOL_NONDATA; default: { if (fis->command == ATA_CMD_SET_MAX) { switch (fis->features) { case ATA_SET_MAX_PASSWD: case ATA_SET_MAX_LOCK: - return HISI_SAS_SATA_PROTOCOL_PIO; + return HISI_SAS_SATA_PROTOCOL_PIO; case ATA_SET_MAX_PASSWD_DMA: case ATA_SET_MAX_UNLOCK_DMA: - return HISI_SAS_SATA_PROTOCOL_DMA; + return HISI_SAS_SATA_PROTOCOL_DMA; default: - return HISI_SAS_SATA_PROTOCOL_NONDATA; + return HISI_SAS_SATA_PROTOCOL_NONDATA; } } if (direction == DMA_NONE) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 8dd0e6a6ff8a..84a0ccc4daf5 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -651,8 +651,10 @@ static int reset_hw_v1_hw(struct hisi_hba *hisi_hba) dev_err(dev, "De-reset failed\n"); return -EIO; } - } else + } else { dev_warn(dev, "no reset method\n"); + return -EINVAL; + } return 0; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index bd1a48a590bc..f89fb9a49ea9 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1095,8 +1095,10 @@ static int reset_hw_v2_hw(struct hisi_hba *hisi_hba) dev_err(dev, "SAS de-reset fail.\n"); return -EIO; } - } else - dev_warn(dev, "no reset method\n"); + } else { + dev_err(dev, "no reset method\n"); + return -EINVAL; + } return 0; } @@ -2408,7 +2410,7 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) spin_lock_irqsave(&hisi_hba->lock, flags); hisi_sas_slot_task_free(hisi_hba, task, slot); spin_unlock_irqrestore(&hisi_hba->lock, flags); - return -1; + return ts->stat; } if (unlikely(!sas_dev)) { @@ -2667,7 +2669,7 @@ static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, /* dw0 */ hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/ (port->id << CMD_HDR_PORT_OFF) | - ((dev_is_sata(dev) ? 1:0) << + (dev_is_sata(dev) << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | (abort_flag << CMD_HDR_ABORT_FLAG_OFF)); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 8da9de7d67e5..4023fcbc3f04 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -670,8 +670,10 @@ static int reset_hw_v3_hw(struct hisi_hba *hisi_hba) dev_err(dev, "Reset failed\n"); return -EIO; } - } else + } else { dev_err(dev, "no reset method!\n"); + return -EINVAL; + } return 0; } @@ -731,7 +733,7 @@ static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no) start_phy_v3_hw(hisi_hba, phy_no); } -enum sas_linkrate phy_get_max_linkrate_v3_hw(void) +static enum sas_linkrate phy_get_max_linkrate_v3_hw(void) { return SAS_LINK_RATE_12_0_GBPS; } @@ -1096,7 +1098,7 @@ static int prep_abort_v3_hw(struct hisi_hba *hisi_hba, /* dw0 */ hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/ (port->id << CMD_HDR_PORT_OFF) | - ((dev_is_sata(dev) ? 1:0) + (dev_is_sata(dev) << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | (abort_flag << CMD_HDR_ABORT_FLAG_OFF)); @@ -1112,9 +1114,9 @@ static int prep_abort_v3_hw(struct hisi_hba *hisi_hba, return 0; } -static int phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) +static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) { - int i, res = 0; + int i, res; u32 context, port_id, link_rate; struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; struct asd_sas_phy *sas_phy = &phy->sas_phy; @@ -1186,7 +1188,7 @@ static int phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) phy->port_id = port_id; phy->phy_attached = 1; hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP); - + res = IRQ_HANDLED; end: hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_SL_PHY_ENABLE_MSK); @@ -1195,7 +1197,7 @@ end: return res; } -static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba) +static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba) { u32 phy_state, sl_ctrl, txid_auto; struct device *dev = hisi_hba->dev; @@ -1217,10 +1219,10 @@ static int phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK); hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0); - return 0; + return IRQ_HANDLED; } -static void phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba) +static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba) { struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no]; struct asd_sas_phy *sas_phy = &phy->sas_phy; @@ -1231,6 +1233,8 @@ static void phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_SL_RX_BCST_ACK_MSK); hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0); + + return IRQ_HANDLED; } static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p) @@ -1257,7 +1261,9 @@ static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p) res = IRQ_HANDLED; if (irq_value & CHL_INT0_SL_RX_BCST_ACK_MSK) /* phy bcast */ - phy_bcast_v3_hw(phy_no, hisi_hba); + if (phy_bcast_v3_hw(phy_no, hisi_hba) + == IRQ_HANDLED) + res = IRQ_HANDLED; } else { if (irq_value & CHL_INT0_NOT_RDY_MSK) /* phy down */ @@ -1573,7 +1579,7 @@ slot_complete_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) spin_lock_irqsave(&hisi_hba->lock, flags); hisi_sas_slot_task_free(hisi_hba, task, slot); spin_unlock_irqrestore(&hisi_hba->lock, flags); - return -1; + return ts->stat; } if (unlikely(!sas_dev)) { |