From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> There are many BROADCAST primitives generated by the host. We are only interested in BROADCAST (CHANGE) primitives currently, so only process this. Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx> Signed-off-by: John Garry <john.garry@xxxxxxxxxx> --- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index cb19e73..7567193 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -194,6 +194,9 @@ #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF) #define SL_CONTROL_CTA_OFF 17 #define SL_CONTROL_CTA_MSK (0x1 << SL_CONTROL_CTA_OFF) +#define RX_PRIMS_STATUS (PORT_BASE + 0x98) +#define RX_BCAST_CHG_OFF 1 +#define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF) #define TX_ID_DWORD0 (PORT_BASE + 0x9c) #define TX_ID_DWORD1 (PORT_BASE + 0xa0) #define TX_ID_DWORD2 (PORT_BASE + 0xa4) @@ -2044,9 +2047,12 @@ static void phy_bcast_v2_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; struct sas_ha_struct *sas_ha = &hisi_hba->sha; + u32 bcast_status; hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1); - sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); + bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS); + if (bcast_status & RX_BCAST_CHG_MSK) + sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); 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); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
