linux-kernel - [PATCH] RDMA/hw/qib/qib_iba7322: remove useless function

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Message-Id: <1618305063-29007-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue, 13 Apr 2021 17:11:03 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     dennis.dalessandro@...nelisnetworks.com
Cc:     mike.marciniszyn@...nelisnetworks.com, dledford@...hat.com,
        jgg@...pe.ca, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] RDMA/hw/qib/qib_iba7322: remove useless function

Fix the following clang warning:

drivers/infiniband/hw/qib/qib_iba7322.c:803:19: warning: unused function
'qib_read_ureg' [-Wunused-function].

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/infiniband/hw/qib/qib_iba7322.c | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 9fe6ea7..3cb4429 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -791,28 +791,6 @@ static inline u32 qib_read_ureg32(const struct qib_devdata *dd,
 }
 
 /**
- * qib_read_ureg - read virtualized per-context register
- * @dd: device
- * @regno: register number
- * @ctxt: context number
- *
- * Return the contents of a register that is virtualized to be per context.
- * Returns -1 on errors (not distinguishable from valid contents at
- * runtime; we may add a separate error variable at some point).
- */
-static inline u64 qib_read_ureg(const struct qib_devdata *dd,
-				enum qib_ureg regno, int ctxt)
-{
-
-	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
-		return 0;
-	return readq(regno + (u64 __iomem *)(
-		(dd->ureg_align * ctxt) + (dd->userbase ?
-		 (char __iomem *)dd->userbase :
-		 (char __iomem *)dd->kregbase + dd->uregbase)));
-}
-
-/**
  * qib_write_ureg - write virtualized per-context register
  * @dd: device
  * @regno: register number
-- 
1.8.3.1