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Groups > linux.kernel > #1477551

[PATCH 07/15] hisi_sas: fix phy8 linkrate calculation in phy_up_v2_hw()

From John Garry <john.garry@huawei.com>
Newsgroups linux.kernel
Subject [PATCH 07/15] hisi_sas: fix phy8 linkrate calculation in phy_up_v2_hw()
Date 2016-09-06 17:40 +0200
Message-ID <seqDE-3MC-27@gated-at.bofh.it> (permalink)
References <seqtX-3JB-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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In function phy_up_v2_hw(), we needlessly recalculate the
phy linkrate for all phys, and the calculation is incorrect
for phy8, so remove this code.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index aca2b80..ae44443 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -1876,9 +1876,6 @@ static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
 		frame_rcvd[i] = __swab32(idaf);
 	}
 
-	/* Get the linkrates */
-	link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
-	link_rate = (link_rate >> (phy_no * 4)) & 0xf;
 	sas_phy->linkrate = link_rate;
 	hard_phy_linkrate = hisi_sas_phy_read32(hisi_hba, phy_no,
 						HARD_PHY_LINKRATE);
-- 
1.9.1

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Thread

[PATCH 00/15] hisi_sas misc fixes and minor optimisations John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 01/15] hisi_sas: save completion queue read pointer John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 10/15] hisi_sas: fix HBA SAS addr endianness for v2 hw John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 08/15] hisi_sas: fix a potential warning for sata disk ejection John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 07/15] hisi_sas: fix phy8 linkrate calculation in phy_up_v2_hw() John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 15/15] hisi_sas: send three identify before phy up John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 02/15] hisi_sas: save delivery queue write pointer John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 04/15] hisi_sas: only zero slot memory when reused John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200
  [PATCH 09/15] hisi_sas: set dma mask before allocate DMA memory John Garry <john.garry@huawei.com> - 2016-09-06 17:40 +0200

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