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[86.26.103.58]) by smtp.gmail.com with ESMTPSA id k28sm13677022wms.23.2022.02.14.08.10.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Feb 2022 08:10:18 -0800 (PST) From: Srinivas Kandagatla To: robh+dt@kernel.org, gregkh@linuxfoundation.org Cc: devicetree@vger.kernel.org, ekangupt@qti.qualcomm.com, bkumar@qti.qualcomm.com, linux-kernel@vger.kernel.org, srini@kernel.org, bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org, Vamsi Krishna Gattupalli , Srinivas Kandagatla Subject: [PATCH v4 09/12] misc: fastrpc: Add helper function to get list and page Date: Mon, 14 Feb 2022 16:09:59 +0000 Message-Id: <20220214161002.6831-10-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20220214161002.6831-1-srinivas.kandagatla@linaro.org> References: <20220214161002.6831-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Vamsi Krishna Gattupalli Add helper functions to get invoke buffer and page start pointers. Signed-off-by: Vamsi Krishna Gattupalli Signed-off-by: Srinivas Kandagatla --- drivers/misc/fastrpc.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index eb1e6d111c77..1cec85e8eaa1 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -833,6 +833,16 @@ static int fastrpc_create_maps(struct fastrpc_invoke_ctx *ctx) return 0; } +static struct fastrpc_invoke_buf *fastrpc_invoke_buf_start(union fastrpc_remote_arg *pra, int len) +{ + return (struct fastrpc_invoke_buf *)(&pra[len]); +} + +static struct fastrpc_phy_page *fastrpc_phy_page_start(struct fastrpc_invoke_buf *buf, int len) +{ + return (struct fastrpc_phy_page *)(&buf[len]); +} + static int fastrpc_get_args(u32 kernel, struct fastrpc_invoke_ctx *ctx) { struct device *dev = ctx->fl->sctx->dev; @@ -860,9 +870,8 @@ static int fastrpc_get_args(u32 kernel, struct fastrpc_invoke_ctx *ctx) return err; rpra = ctx->buf->virt; - list = ctx->buf->virt + ctx->nscalars * sizeof(*rpra); - pages = ctx->buf->virt + ctx->nscalars * (sizeof(*list) + - sizeof(*rpra)); + list = fastrpc_invoke_buf_start(rpra, ctx->nscalars); + pages = fastrpc_phy_page_start(list, ctx->nscalars); args = (uintptr_t)ctx->buf->virt + metalen; rlen = pkt_size - metalen; ctx->rpra = rpra;