From 5388a508479d8b7e6d24fe5ca2645806d8e3d0f1 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 20 Feb 2018 21:56:26 +0100 Subject: [PATCH] infiniband: qplib_fp: fix pointer cast Building for a 32-bit target results in a couple of warnings from casting between a 32-bit pointer and a 64-bit integer: drivers/infiniband/hw/bnxt_re/qplib_fp.c: In function 'bnxt_qplib_service_nq': drivers/infiniband/hw/bnxt_re/qplib_fp.c:333:23: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] bnxt_qplib_arm_srq((struct bnxt_qplib_srq *)q_handle, ^ drivers/infiniband/hw/bnxt_re/qplib_fp.c:336:12: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] (struct bnxt_qplib_srq *)q_handle, ^ In file included from include/linux/byteorder/little_endian.h:5, from arch/arm/include/uapi/asm/byteorder.h:22, from include/asm-generic/bitops/le.h:6, from arch/arm/include/asm/bitops.h:342, from include/linux/bitops.h:38, from include/linux/kernel.h:11, from include/linux/interrupt.h:6, from drivers/infiniband/hw/bnxt_re/qplib_fp.c:39: drivers/infiniband/hw/bnxt_re/qplib_fp.c: In function 'bnxt_qplib_create_srq': include/uapi/linux/byteorder/little_endian.h:31:43: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] #define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) ^ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' #define cpu_to_le64 __cpu_to_le64 ^~~~~~~~~~~~~ drivers/infiniband/hw/bnxt_re/qplib_fp.c:569:19: note: in expansion of macro 'cpu_to_le64' req.srq_handle = cpu_to_le64(srq); Using a uintptr_t as an intermediate works on all architectures. Fixes: 37cb11acf1f7 ("RDMA/bnxt_re: Add SRQ support for Broadcom adapters") Signed-off-by: Arnd Bergmann Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/bnxt_re/qplib_fp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 06b42c880fd4..3a78faba8d91 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -243,7 +243,7 @@ static void bnxt_qplib_service_nq(unsigned long data) u32 sw_cons, raw_cons; u16 type; int budget = nq->budget; - u64 q_handle; + uintptr_t q_handle; /* Service the NQ until empty */ raw_cons = hwq->cons; @@ -526,7 +526,7 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, /* Configure the request */ req.dpi = cpu_to_le32(srq->dpi->dpi); - req.srq_handle = cpu_to_le64(srq); + req.srq_handle = cpu_to_le64((uintptr_t)srq); req.srq_size = cpu_to_le16((u16)srq->hwq.max_elements); pbl = &srq->hwq.pbl[PBL_LVL_0]; -- 2.30.2