From patchwork Thu Aug 24 07:21:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sricharan Ramabadhran X-Patchwork-Id: 9919275 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CB454603FA for ; Thu, 24 Aug 2017 07:26:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BADD92885B for ; Thu, 24 Aug 2017 07:26:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AFB6228A43; Thu, 24 Aug 2017 07:26:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C86F28A50 for ; Thu, 24 Aug 2017 07:26:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751312AbdHXHWH (ORCPT ); Thu, 24 Aug 2017 03:22:07 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:59046 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751135AbdHXHWC (ORCPT ); Thu, 24 Aug 2017 03:22:02 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id B6946606B7; Thu, 24 Aug 2017 07:22:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1503559321; bh=HhK2TVn1f7DytJ21Te0V8wQY3DJn6kppo1mI50bDlOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ERb/R3cmIugajniWNbEZBfpmllnIBvYO9uClELiFMxlHDJIWIQEBcNAt5zVeUNjnS GL+JVkotyoPnyQpIkpGVR+OhNd6Uh3+XbQcHExBDtk1AzyLoWUi4BAyB9M86xJrsAl OUussRCTszPmQx/NONmO0o22jdkKjE8dTbgwocGM= Received: from srichara-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sricharan@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 09734606B7; Thu, 24 Aug 2017 07:21:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1503559319; bh=HhK2TVn1f7DytJ21Te0V8wQY3DJn6kppo1mI50bDlOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kvA4EMDUNIFMp9pE8/d+z59iW4oV+ymulzp0vEl3Pyv8B+veoYXuFVfW2R6G6n7fd CKtoN1mNfDdmsur4mpaz4V9TmEMEicnmlvS+U4ANhwWhgOlZlfJ4rNCPhEeujkWYqL dkfbsdaF1mWbvScpUjk2eAQAEYRdJo3cVtidJy/M= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 09734606B7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=sricharan@codeaurora.org From: Sricharan R To: ohad@wizery.com, bjorn.andersson@linaro.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: sricharan@codeaurora.org Subject: [PATCH v2 01/20] rpmsg: glink: Rename glink_rpm_xx functions to qcom_glink_xx Date: Thu, 24 Aug 2017 12:51:23 +0530 Message-Id: <1503559302-3744-2-git-send-email-sricharan@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1503559302-3744-1-git-send-email-sricharan@codeaurora.org> References: <1503559302-3744-1-git-send-email-sricharan@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Bjorn Andersson Renaming the glink_rpm_xx functions and structs to qcom_glink_xx equivalents helps to reuse the core glink protocol while adding support for smem based glink transport in the later patches. Signed-off-by: Bjorn Andersson Signed-off-by: Sricharan R Acked-by: Arun Kumar Neelakantam --- drivers/rpmsg/qcom_glink_rpm.c | 248 +++++++++++++++++++++-------------------- 1 file changed, 128 insertions(+), 120 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_rpm.c b/drivers/rpmsg/qcom_glink_rpm.c index 3559a3e..56a0a66 100644 --- a/drivers/rpmsg/qcom_glink_rpm.c +++ b/drivers/rpmsg/qcom_glink_rpm.c @@ -101,7 +101,7 @@ struct glink_defer_cmd { * @lcids: idr of all channels with a known local channel id * @rcids: idr of all channels with a known remote channel id */ -struct glink_rpm { +struct qcom_glink { struct device *dev; struct mbox_client mbox_client; @@ -134,7 +134,7 @@ enum { * struct glink_channel - internal representation of a channel * @rpdev: rpdev reference, only used for primary endpoints * @ept: rpmsg endpoint this channel is associated with - * @glink: glink_rpm context handle + * @glink: qcom_glink context handle * @refcount: refcount for the channel object * @recv_lock: guard for @ept.cb * @name: unique channel name/identifier @@ -150,7 +150,7 @@ struct glink_channel { struct rpmsg_endpoint ept; struct rpmsg_device *rpdev; - struct glink_rpm *glink; + struct qcom_glink *glink; struct kref refcount; @@ -184,8 +184,8 @@ struct glink_channel { #define GLINK_FEATURE_INTENTLESS BIT(1) -static struct glink_channel *glink_rpm_alloc_channel(struct glink_rpm *glink, - const char *name) +static struct glink_channel *qcom_glink_alloc_channel(struct qcom_glink *glink, + const char *name) { struct glink_channel *channel; @@ -206,7 +206,7 @@ static struct glink_channel *glink_rpm_alloc_channel(struct glink_rpm *glink, return channel; } -static void glink_rpm_channel_release(struct kref *ref) +static void qcom_glink_channel_release(struct kref *ref) { struct glink_channel *channel = container_of(ref, struct glink_channel, refcount); @@ -215,7 +215,7 @@ static void glink_rpm_channel_release(struct kref *ref) kfree(channel); } -static size_t glink_rpm_rx_avail(struct glink_rpm *glink) +static size_t qcom_glink_rx_avail(struct qcom_glink *glink) { struct glink_rpm_pipe *pipe = &glink->rx_pipe; unsigned int head; @@ -230,8 +230,8 @@ static size_t glink_rpm_rx_avail(struct glink_rpm *glink) return head - tail; } -static void glink_rpm_rx_peak(struct glink_rpm *glink, - void *data, size_t count) +static void qcom_glink_rx_peak(struct qcom_glink *glink, + void *data, size_t count) { struct glink_rpm_pipe *pipe = &glink->rx_pipe; unsigned int tail; @@ -251,8 +251,8 @@ static void glink_rpm_rx_peak(struct glink_rpm *glink, } } -static void glink_rpm_rx_advance(struct glink_rpm *glink, - size_t count) +static void qcom_glink_rx_advance(struct qcom_glink *glink, + size_t count) { struct glink_rpm_pipe *pipe = &glink->rx_pipe; unsigned int tail; @@ -266,7 +266,7 @@ static void glink_rpm_rx_advance(struct glink_rpm *glink, writel(tail, pipe->tail); } -static size_t glink_rpm_tx_avail(struct glink_rpm *glink) +static size_t qcom_glink_tx_avail(struct qcom_glink *glink) { struct glink_rpm_pipe *pipe = &glink->tx_pipe; unsigned int head; @@ -281,9 +281,9 @@ static size_t glink_rpm_tx_avail(struct glink_rpm *glink) return tail - head; } -static unsigned int glink_rpm_tx_write(struct glink_rpm *glink, - unsigned int head, - const void *data, size_t count) +static unsigned int qcom_glink_tx_write(struct qcom_glink *glink, + unsigned int head, + const void *data, size_t count) { struct glink_rpm_pipe *pipe = &glink->tx_pipe; size_t len; @@ -306,8 +306,8 @@ static unsigned int glink_rpm_tx_write(struct glink_rpm *glink, return head; } -static int glink_rpm_tx(struct glink_rpm *glink, - const void *hdr, size_t hlen, +static int qcom_glink_tx(struct qcom_glink *glink, + const void *hdr, size_t hlen, const void *data, size_t dlen, bool wait) { struct glink_rpm_pipe *pipe = &glink->tx_pipe; @@ -326,7 +326,7 @@ static int glink_rpm_tx(struct glink_rpm *glink, if (ret) return ret; - while (glink_rpm_tx_avail(glink) < tlen) { + while (qcom_glink_tx_avail(glink) < tlen) { if (!wait) { ret = -ENOMEM; goto out; @@ -336,8 +336,8 @@ static int glink_rpm_tx(struct glink_rpm *glink, } head = readl(pipe->head); - head = glink_rpm_tx_write(glink, head, hdr, hlen); - head = glink_rpm_tx_write(glink, head, data, dlen); + head = qcom_glink_tx_write(glink, head, hdr, hlen); + head = qcom_glink_tx_write(glink, head, data, dlen); writel(head, pipe->head); mbox_send_message(glink->mbox_chan, NULL); @@ -349,7 +349,7 @@ static int glink_rpm_tx(struct glink_rpm *glink, return ret; } -static int glink_rpm_send_version(struct glink_rpm *glink) +static int qcom_glink_send_version(struct qcom_glink *glink) { struct glink_msg msg; @@ -357,10 +357,10 @@ static int glink_rpm_send_version(struct glink_rpm *glink) msg.param1 = cpu_to_le16(1); msg.param2 = cpu_to_le32(GLINK_FEATURE_INTENTLESS); - return glink_rpm_tx(glink, &msg, sizeof(msg), NULL, 0, true); + return qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } -static void glink_rpm_send_version_ack(struct glink_rpm *glink) +static void qcom_glink_send_version_ack(struct qcom_glink *glink) { struct glink_msg msg; @@ -368,11 +368,11 @@ static void glink_rpm_send_version_ack(struct glink_rpm *glink) msg.param1 = cpu_to_le16(1); msg.param2 = cpu_to_le32(0); - glink_rpm_tx(glink, &msg, sizeof(msg), NULL, 0, true); + qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } -static void glink_rpm_send_open_ack(struct glink_rpm *glink, - struct glink_channel *channel) +static void qcom_glink_send_open_ack(struct qcom_glink *glink, + struct glink_channel *channel) { struct glink_msg msg; @@ -380,11 +380,11 @@ static void glink_rpm_send_open_ack(struct glink_rpm *glink, msg.param1 = cpu_to_le16(channel->rcid); msg.param2 = cpu_to_le32(0); - glink_rpm_tx(glink, &msg, sizeof(msg), NULL, 0, true); + qcom_glink_tx(glink, &msg, sizeof(msg), NULL, 0, true); } /** - * glink_rpm_send_open_req() - send a RPM_CMD_OPEN request to the remote + * qcom_glink_send_open_req() - send a RPM_CMD_OPEN request to the remote * @glink: * @channel: * @@ -393,8 +393,8 @@ static void glink_rpm_send_open_ack(struct glink_rpm *glink, * * Returns 0 on success, negative errno otherwise. */ -static int glink_rpm_send_open_req(struct glink_rpm *glink, - struct glink_channel *channel) +static int qcom_glink_send_open_req(struct qcom_glink *glink, + struct glink_channel *channel) { struct { struct glink_msg msg; @@ -420,7 +420,7 @@ static int glink_rpm_send_open_req(struct glink_rpm *glink, req.msg.param2 = cpu_to_le32(name_len); strcpy(req.name, channel->name); - ret = glink_rpm_tx(glink, &req, req_len, NULL, 0, true); + ret = qcom_glink_tx(glink, &req, req_len, NULL, 0, true); if (ret) goto remove_idr; @@ -435,8 +435,8 @@ static int glink_rpm_send_open_req(struct glink_rpm *glink, return ret; } -static void glink_rpm_send_close_req(struct glink_rpm *glink, - struct glink_channel *channel) +static void qcom_glink_send_close_req(struct qcom_glink *glink, + struct glink_channel *channel) { struct glink_msg req; @@ -444,10 +444,11 @@ static void glink_rpm_send_close_req(struct glink_rpm *glink, req.param1 = cpu_to_le16(channel->lcid); req.param2 = 0; - glink_rpm_tx(glink, &req, sizeof(req), NULL, 0, true); + qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true); } -static void glink_rpm_send_close_ack(struct glink_rpm *glink, unsigned int rcid) +static void qcom_glink_send_close_ack(struct qcom_glink *glink, + unsigned int rcid) { struct glink_msg req; @@ -455,16 +456,16 @@ static void glink_rpm_send_close_ack(struct glink_rpm *glink, unsigned int rcid) req.param1 = cpu_to_le16(rcid); req.param2 = 0; - glink_rpm_tx(glink, &req, sizeof(req), NULL, 0, true); + qcom_glink_tx(glink, &req, sizeof(req), NULL, 0, true); } -static int glink_rpm_rx_defer(struct glink_rpm *glink, size_t extra) +static int qcom_glink_rx_defer(struct qcom_glink *glink, size_t extra) { struct glink_defer_cmd *dcmd; extra = ALIGN(extra, 8); - if (glink_rpm_rx_avail(glink) < sizeof(struct glink_msg) + extra) { + if (qcom_glink_rx_avail(glink) < sizeof(struct glink_msg) + extra) { dev_dbg(glink->dev, "Insufficient data in rx fifo"); return -ENXIO; } @@ -475,19 +476,19 @@ static int glink_rpm_rx_defer(struct glink_rpm *glink, size_t extra) INIT_LIST_HEAD(&dcmd->node); - glink_rpm_rx_peak(glink, &dcmd->msg, sizeof(dcmd->msg) + extra); + qcom_glink_rx_peak(glink, &dcmd->msg, sizeof(dcmd->msg) + extra); spin_lock(&glink->rx_lock); list_add_tail(&dcmd->node, &glink->rx_queue); spin_unlock(&glink->rx_lock); schedule_work(&glink->rx_work); - glink_rpm_rx_advance(glink, sizeof(dcmd->msg) + extra); + qcom_glink_rx_advance(glink, sizeof(dcmd->msg) + extra); return 0; } -static int glink_rpm_rx_data(struct glink_rpm *glink, size_t avail) +static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) { struct glink_channel *channel; struct { @@ -504,7 +505,7 @@ static int glink_rpm_rx_data(struct glink_rpm *glink, size_t avail) return -EAGAIN; } - glink_rpm_rx_peak(glink, &hdr, sizeof(hdr)); + qcom_glink_rx_peak(glink, &hdr, sizeof(hdr)); chunk_size = le32_to_cpu(hdr.chunk_size); left_size = le32_to_cpu(hdr.left_size); @@ -522,7 +523,8 @@ static int glink_rpm_rx_data(struct glink_rpm *glink, size_t avail) dev_dbg(glink->dev, "Data on non-existing channel\n"); /* Drop the message */ - glink_rpm_rx_advance(glink, ALIGN(sizeof(hdr) + chunk_size, 8)); + qcom_glink_rx_advance(glink, + ALIGN(sizeof(hdr) + chunk_size, 8)); return 0; } @@ -536,17 +538,18 @@ static int glink_rpm_rx_data(struct glink_rpm *glink, size_t avail) channel->buf_offset = 0; } - glink_rpm_rx_advance(glink, sizeof(hdr)); + qcom_glink_rx_advance(glink, sizeof(hdr)); if (channel->buf_size - channel->buf_offset < chunk_size) { dev_err(glink->dev, "Insufficient space in input buffer\n"); /* The packet header lied, drop payload */ - glink_rpm_rx_advance(glink, chunk_size); + qcom_glink_rx_advance(glink, chunk_size); return -ENOMEM; } - glink_rpm_rx_peak(glink, channel->buf + channel->buf_offset, chunk_size); + qcom_glink_rx_peak(glink, channel->buf + channel->buf_offset, + chunk_size); channel->buf_offset += chunk_size; /* Handle message when no fragments remain to be received */ @@ -567,12 +570,12 @@ static int glink_rpm_rx_data(struct glink_rpm *glink, size_t avail) } /* Each message starts at 8 byte aligned address */ - glink_rpm_rx_advance(glink, ALIGN(chunk_size, 8)); + qcom_glink_rx_advance(glink, ALIGN(chunk_size, 8)); return 0; } -static int glink_rpm_rx_open_ack(struct glink_rpm *glink, unsigned int lcid) +static int qcom_glink_rx_open_ack(struct qcom_glink *glink, unsigned int lcid) { struct glink_channel *channel; @@ -587,9 +590,9 @@ static int glink_rpm_rx_open_ack(struct glink_rpm *glink, unsigned int lcid) return 0; } -static irqreturn_t glink_rpm_intr(int irq, void *data) +static irqreturn_t qcom_glink_intr(int irq, void *data) { - struct glink_rpm *glink = data; + struct qcom_glink *glink = data; struct glink_msg msg; unsigned int param1; unsigned int param2; @@ -598,11 +601,11 @@ static irqreturn_t glink_rpm_intr(int irq, void *data) int ret; for (;;) { - avail = glink_rpm_rx_avail(glink); + avail = qcom_glink_rx_avail(glink); if (avail < sizeof(msg)) break; - glink_rpm_rx_peak(glink, &msg, sizeof(msg)); + qcom_glink_rx_peak(glink, &msg, sizeof(msg)); cmd = le16_to_cpu(msg.cmd); param1 = le16_to_cpu(msg.param1); @@ -613,21 +616,21 @@ static irqreturn_t glink_rpm_intr(int irq, void *data) case RPM_CMD_VERSION_ACK: case RPM_CMD_CLOSE: case RPM_CMD_CLOSE_ACK: - ret = glink_rpm_rx_defer(glink, 0); + ret = qcom_glink_rx_defer(glink, 0); break; case RPM_CMD_OPEN_ACK: - ret = glink_rpm_rx_open_ack(glink, param1); - glink_rpm_rx_advance(glink, ALIGN(sizeof(msg), 8)); + ret = qcom_glink_rx_open_ack(glink, param1); + qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); break; case RPM_CMD_OPEN: - ret = glink_rpm_rx_defer(glink, param2); + ret = qcom_glink_rx_defer(glink, param2); break; case RPM_CMD_TX_DATA: case RPM_CMD_TX_DATA_CONT: - ret = glink_rpm_rx_data(glink, avail); + ret = qcom_glink_rx_data(glink, avail); break; case RPM_CMD_READ_NOTIF: - glink_rpm_rx_advance(glink, ALIGN(sizeof(msg), 8)); + qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8)); mbox_send_message(glink->mbox_chan, NULL); mbox_client_txdone(glink->mbox_chan, 0); @@ -648,17 +651,17 @@ static irqreturn_t glink_rpm_intr(int irq, void *data) } /* Locally initiated rpmsg_create_ept */ -static struct glink_channel *glink_rpm_create_local(struct glink_rpm *glink, - const char *name) +static struct glink_channel *qcom_glink_create_local(struct qcom_glink *glink, + const char *name) { struct glink_channel *channel; int ret; - channel = glink_rpm_alloc_channel(glink, name); + channel = qcom_glink_alloc_channel(glink, name); if (IS_ERR(channel)) return ERR_CAST(channel); - ret = glink_rpm_send_open_req(glink, channel); + ret = qcom_glink_send_open_req(glink, channel); if (ret) goto release_channel; @@ -670,34 +673,34 @@ static struct glink_channel *glink_rpm_create_local(struct glink_rpm *glink, if (!ret) goto err_timeout; - glink_rpm_send_open_ack(glink, channel); + qcom_glink_send_open_ack(glink, channel); return channel; err_timeout: - /* glink_rpm_send_open_req() did register the channel in lcids*/ + /* qcom_glink_send_open_req() did register the channel in lcids*/ mutex_lock(&glink->idr_lock); idr_remove(&glink->lcids, channel->lcid); mutex_unlock(&glink->idr_lock); release_channel: - /* Release glink_rpm_send_open_req() reference */ - kref_put(&channel->refcount, glink_rpm_channel_release); - /* Release glink_rpm_alloc_channel() reference */ - kref_put(&channel->refcount, glink_rpm_channel_release); + /* Release qcom_glink_send_open_req() reference */ + kref_put(&channel->refcount, qcom_glink_channel_release); + /* Release qcom_glink_alloc_channel() reference */ + kref_put(&channel->refcount, qcom_glink_channel_release); return ERR_PTR(-ETIMEDOUT); } /* Remote initiated rpmsg_create_ept */ -static int glink_rpm_create_remote(struct glink_rpm *glink, - struct glink_channel *channel) +static int qcom_glink_create_remote(struct qcom_glink *glink, + struct glink_channel *channel) { int ret; - glink_rpm_send_open_ack(glink, channel); + qcom_glink_send_open_ack(glink, channel); - ret = glink_rpm_send_open_req(glink, channel); + ret = qcom_glink_send_open_req(glink, channel); if (ret) goto close_link; @@ -714,21 +717,23 @@ static int glink_rpm_create_remote(struct glink_rpm *glink, * Send a close request to "undo" our open-ack. The close-ack will * release the last reference. */ - glink_rpm_send_close_req(glink, channel); + qcom_glink_send_close_req(glink, channel); - /* Release glink_rpm_send_open_req() reference */ - kref_put(&channel->refcount, glink_rpm_channel_release); + /* Release qcom_glink_send_open_req() reference */ + kref_put(&channel->refcount, qcom_glink_channel_release); return ret; } -static struct rpmsg_endpoint *glink_rpm_create_ept(struct rpmsg_device *rpdev, - rpmsg_rx_cb_t cb, void *priv, - struct rpmsg_channel_info chinfo) +static struct rpmsg_endpoint *qcom_glink_create_ept(struct rpmsg_device *rpdev, + rpmsg_rx_cb_t cb, + void *priv, + struct rpmsg_channel_info + chinfo) { struct glink_channel *parent = to_glink_channel(rpdev->ept); struct glink_channel *channel; - struct glink_rpm *glink = parent->glink; + struct qcom_glink *glink = parent->glink; struct rpmsg_endpoint *ept; const char *name = chinfo.name; int cid; @@ -740,11 +745,11 @@ static struct rpmsg_endpoint *glink_rpm_create_ept(struct rpmsg_device *rpdev, } if (!channel) { - channel = glink_rpm_create_local(glink, name); + channel = qcom_glink_create_local(glink, name); if (IS_ERR(channel)) return NULL; } else { - ret = glink_rpm_create_remote(glink, channel); + ret = qcom_glink_create_remote(glink, channel); if (ret) return NULL; } @@ -758,10 +763,10 @@ static struct rpmsg_endpoint *glink_rpm_create_ept(struct rpmsg_device *rpdev, return ept; } -static void glink_rpm_destroy_ept(struct rpmsg_endpoint *ept) +static void qcom_glink_destroy_ept(struct rpmsg_endpoint *ept) { struct glink_channel *channel = to_glink_channel(ept); - struct glink_rpm *glink = channel->glink; + struct qcom_glink *glink = channel->glink; unsigned long flags; spin_lock_irqsave(&channel->recv_lock, flags); @@ -771,13 +776,13 @@ static void glink_rpm_destroy_ept(struct rpmsg_endpoint *ept) /* Decouple the potential rpdev from the channel */ channel->rpdev = NULL; - glink_rpm_send_close_req(glink, channel); + qcom_glink_send_close_req(glink, channel); } -static int __glink_rpm_send(struct glink_channel *channel, +static int __qcom_glink_send(struct glink_channel *channel, void *data, int len, bool wait) { - struct glink_rpm *glink = channel->glink; + struct qcom_glink *glink = channel->glink; struct { struct glink_msg msg; __le32 chunk_size; @@ -793,27 +798,27 @@ static int __glink_rpm_send(struct glink_channel *channel, req.chunk_size = cpu_to_le32(len); req.left_size = cpu_to_le32(0); - return glink_rpm_tx(glink, &req, sizeof(req), data, len, wait); + return qcom_glink_tx(glink, &req, sizeof(req), data, len, wait); } -static int glink_rpm_send(struct rpmsg_endpoint *ept, void *data, int len) +static int qcom_glink_send(struct rpmsg_endpoint *ept, void *data, int len) { struct glink_channel *channel = to_glink_channel(ept); - return __glink_rpm_send(channel, data, len, true); + return __qcom_glink_send(channel, data, len, true); } -static int glink_rpm_trysend(struct rpmsg_endpoint *ept, void *data, int len) +static int qcom_glink_trysend(struct rpmsg_endpoint *ept, void *data, int len) { struct glink_channel *channel = to_glink_channel(ept); - return __glink_rpm_send(channel, data, len, false); + return __qcom_glink_send(channel, data, len, false); } /* * Finds the device_node for the glink child interested in this channel. */ -static struct device_node *glink_rpm_match_channel(struct device_node *node, +static struct device_node *qcom_glink_match_channel(struct device_node *node, const char *channel) { struct device_node *child; @@ -835,16 +840,16 @@ static struct device_node *glink_rpm_match_channel(struct device_node *node, } static const struct rpmsg_device_ops glink_device_ops = { - .create_ept = glink_rpm_create_ept, + .create_ept = qcom_glink_create_ept, }; static const struct rpmsg_endpoint_ops glink_endpoint_ops = { - .destroy_ept = glink_rpm_destroy_ept, - .send = glink_rpm_send, - .trysend = glink_rpm_trysend, + .destroy_ept = qcom_glink_destroy_ept, + .send = qcom_glink_send, + .trysend = qcom_glink_trysend, }; -static void glink_rpm_rpdev_release(struct device *dev) +static void qcom_glink_rpdev_release(struct device *dev) { struct rpmsg_device *rpdev = to_rpmsg_device(dev); struct glink_channel *channel = to_glink_channel(rpdev->ept); @@ -853,14 +858,15 @@ static void glink_rpm_rpdev_release(struct device *dev) kfree(rpdev); } -static int glink_rpm_rx_open(struct glink_rpm *glink, unsigned int rcid, - char *name) +static int qcom_glink_rx_open(struct qcom_glink *glink, unsigned int rcid, + char *name) { struct glink_channel *channel; struct rpmsg_device *rpdev; bool create_device = false; int lcid; int ret; + struct device_node *node; idr_for_each_entry(&glink->lcids, channel, lcid) { if (!strcmp(channel->name, name)) @@ -868,7 +874,7 @@ static int glink_rpm_rx_open(struct glink_rpm *glink, unsigned int rcid, } if (!channel) { - channel = glink_rpm_alloc_channel(glink, name); + channel = qcom_glink_alloc_channel(glink, name); if (IS_ERR(channel)) return PTR_ERR(channel); @@ -901,9 +907,10 @@ static int glink_rpm_rx_open(struct glink_rpm *glink, unsigned int rcid, rpdev->dst = RPMSG_ADDR_ANY; rpdev->ops = &glink_device_ops; - rpdev->dev.of_node = glink_rpm_match_channel(glink->dev->of_node, name); + node = qcom_glink_match_channel(glink->dev->of_node, name); + rpdev->dev.of_node = node; rpdev->dev.parent = glink->dev; - rpdev->dev.release = glink_rpm_rpdev_release; + rpdev->dev.release = qcom_glink_rpdev_release; ret = rpmsg_register_device(rpdev); if (ret) @@ -924,12 +931,12 @@ static int glink_rpm_rx_open(struct glink_rpm *glink, unsigned int rcid, free_channel: /* Release the reference, iff we took it */ if (create_device) - kref_put(&channel->refcount, glink_rpm_channel_release); + kref_put(&channel->refcount, qcom_glink_channel_release); return ret; } -static void glink_rpm_rx_close(struct glink_rpm *glink, unsigned int rcid) +static void qcom_glink_rx_close(struct qcom_glink *glink, unsigned int rcid) { struct rpmsg_channel_info chinfo; struct glink_channel *channel; @@ -946,17 +953,17 @@ static void glink_rpm_rx_close(struct glink_rpm *glink, unsigned int rcid) rpmsg_unregister_device(glink->dev, &chinfo); } - glink_rpm_send_close_ack(glink, channel->rcid); + qcom_glink_send_close_ack(glink, channel->rcid); mutex_lock(&glink->idr_lock); idr_remove(&glink->rcids, channel->rcid); channel->rcid = 0; mutex_unlock(&glink->idr_lock); - kref_put(&channel->refcount, glink_rpm_channel_release); + kref_put(&channel->refcount, qcom_glink_channel_release); } -static void glink_rpm_rx_close_ack(struct glink_rpm *glink, unsigned int lcid) +static void qcom_glink_rx_close_ack(struct qcom_glink *glink, unsigned int lcid) { struct glink_channel *channel; @@ -969,12 +976,13 @@ static void glink_rpm_rx_close_ack(struct glink_rpm *glink, unsigned int lcid) channel->lcid = 0; mutex_unlock(&glink->idr_lock); - kref_put(&channel->refcount, glink_rpm_channel_release); + kref_put(&channel->refcount, qcom_glink_channel_release); } -static void glink_rpm_work(struct work_struct *work) +static void qcom_glink_work(struct work_struct *work) { - struct glink_rpm *glink = container_of(work, struct glink_rpm, rx_work); + struct qcom_glink *glink = container_of(work, struct qcom_glink, + rx_work); struct glink_defer_cmd *dcmd; struct glink_msg *msg; unsigned long flags; @@ -999,18 +1007,18 @@ static void glink_rpm_work(struct work_struct *work) switch (cmd) { case RPM_CMD_VERSION: - glink_rpm_send_version_ack(glink); + qcom_glink_send_version_ack(glink); break; case RPM_CMD_VERSION_ACK: break; case RPM_CMD_OPEN: - glink_rpm_rx_open(glink, param1, msg->data); + qcom_glink_rx_open(glink, param1, msg->data); break; case RPM_CMD_CLOSE: - glink_rpm_rx_close(glink, param1); + qcom_glink_rx_close(glink, param1); break; case RPM_CMD_CLOSE_ACK: - glink_rpm_rx_close_ack(glink, param1); + qcom_glink_rx_close_ack(glink, param1); break; default: WARN(1, "Unknown defer object %d\n", cmd); @@ -1098,7 +1106,7 @@ static int glink_rpm_parse_toc(struct device *dev, static int glink_rpm_probe(struct platform_device *pdev) { - struct glink_rpm *glink; + struct qcom_glink *glink; struct device_node *np; void __iomem *msg_ram; size_t msg_ram_size; @@ -1116,7 +1124,7 @@ static int glink_rpm_probe(struct platform_device *pdev) mutex_init(&glink->tx_lock); spin_lock_init(&glink->rx_lock); INIT_LIST_HEAD(&glink->rx_queue); - INIT_WORK(&glink->rx_work, glink_rpm_work); + INIT_WORK(&glink->rx_work, qcom_glink_work); mutex_init(&glink->idr_lock); idr_init(&glink->lcids); @@ -1151,7 +1159,7 @@ static int glink_rpm_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); ret = devm_request_irq(dev, irq, - glink_rpm_intr, + qcom_glink_intr, IRQF_NO_SUSPEND | IRQF_SHARED, "glink-rpm", glink); if (ret) { @@ -1161,7 +1169,7 @@ static int glink_rpm_probe(struct platform_device *pdev) glink->irq = irq; - ret = glink_rpm_send_version(glink); + ret = qcom_glink_send_version(glink); if (ret) return ret; @@ -1179,7 +1187,7 @@ static int glink_rpm_remove_device(struct device *dev, void *data) static int glink_rpm_remove(struct platform_device *pdev) { - struct glink_rpm *glink = platform_get_drvdata(pdev); + struct qcom_glink *glink = platform_get_drvdata(pdev); struct glink_channel *channel; int cid; int ret; @@ -1193,7 +1201,7 @@ static int glink_rpm_remove(struct platform_device *pdev) /* Release any defunct local channels, waiting for close-ack */ idr_for_each_entry(&glink->lcids, channel, cid) - kref_put(&channel->refcount, glink_rpm_channel_release); + kref_put(&channel->refcount, qcom_glink_channel_release); idr_destroy(&glink->lcids); idr_destroy(&glink->rcids);