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Commit 85080a25 authored by Xiang Chen's avatar Xiang Chen Committed by Martin K. Petersen
Browse files

scsi: hisi_sas: only process broadcast change in phy_bcast_v2_hw() 



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: default avatarXiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Reviewed-by: default avatarZhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent c70f1fb7

drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

+7 −1
Original line number Diff line number Diff line
@@ -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)
@@ -2044,8 +2047,11 @@ 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);

	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);