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Commit 1324ae1c authored by Xiaofei Tan's avatar Xiaofei Tan Committed by Martin K. Petersen
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scsi: hisi_sas: Only process broadcast change in phy_bcast_v3_hw() 



There are many BROADCAST primitives generated by the host. We are only
interested in BROADCAST (CHANGE) primitives currently, so only process
this.

We have applied this processing for v2 hw before, and it is also needed for
v3 hw.

Signed-off-by: default avatarXiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 4e63ac82

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

+7 −1
Original line number Diff line number Diff line
@@ -131,6 +131,9 @@ 
#define SL_CONTROL_NOTIFY_EN_MSK	(0x1 << SL_CONTROL_NOTIFY_EN_OFF)

#define SL_CTA_OFF		17

#define SL_CTA_MSK		(0x1 << SL_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)
@@ -1256,8 +1259,11 @@ 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;

	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);

	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);