Commit 9c8823e0 authored by Jiapeng Chong's avatar Jiapeng Chong Committed by Jason Gunthorpe
Browse files

RDMA/qib: Remove useless qib_read_ureg() function 

Fix the following clang warning:

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

Link: https://lore.kernel.org/r/1618305063-29007-1-git-send-email-jiapeng.chong@linux.alibaba.com


Reported-by: default avatarAbaci Robot <abaci@linux.alibaba.com>
Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent dc1d06e6

drivers/infiniband/hw/qib/qib_iba7322.c

+0 −22
Original line number Diff line number Diff line
@@ -790,28 +790,6 @@ static inline u32 qib_read_ureg32(const struct qib_devdata *dd, 
		 (char __iomem *)dd->kregbase + dd->uregbase)));

}



/**

 * 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