linux-kernel - [PATCH 5/7] scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity

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Date:   Mon, 20 Jan 2020 20:22:35 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC:     <linux-scsi@...r.kernel.org>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>,
        Luo Jiaxing <luojiaxing@...wei.com>,
        "John Garry" <john.garry@...wei.com>
Subject: [PATCH 5/7] scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity

From: Luo Jiaxing <luojiaxing@...wei.com>

Add prints to inform the user of enabled features.

Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com>
Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 878530f6945f..5f6c6f4ea504 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2396,6 +2396,8 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
 			.pre_vectors = BASE_VECTORS_V3_HW,
 		};
 
+		dev_info(dev, "Enable MSI auto-affinity\n");
+
 		min_msi = MIN_AFFINE_VECTORS_V3_HW;
 
 		hisi_hba->reply_map = devm_kcalloc(dev, nr_cpu_ids,
@@ -2448,6 +2450,9 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
 		goto free_irq_vectors;
 	}
 
+	if (hisi_sas_intr_conv)
+		dev_info(dev, "Enable interrupt converge\n");
+
 	for (i = 0; i < hisi_hba->cq_nvecs; i++) {
 		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
 		int nr = hisi_sas_intr_conv ? 16 : 16 + i;
-- 
2.17.1