From 178c3af447f92c58d5b1153df2cd02b755c083c8 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Mon, 13 Feb 2023 07:52:12 -0800 Subject: rpmsg: glink: rpm: Wrap driver context As with the SMEM driver update, wrap the RPM context in a struct to facilitate the upcoming changes of moving IRQ and mailbox registration to the driver. Reviewed-by: Chris Lew Signed-off-by: Bjorn Andersson Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230213155215.1237059-4-quic_bjorande@quicinc.com --- drivers/rpmsg/qcom_glink_rpm.c | 44 +++++++++++++++++++++++++----------------- 1 file changed, 26 insertions(+), 18 deletions(-) (limited to 'drivers/rpmsg') diff --git a/drivers/rpmsg/qcom_glink_rpm.c b/drivers/rpmsg/qcom_glink_rpm.c index f64f45d1a735..6443843df6ca 100644 --- a/drivers/rpmsg/qcom_glink_rpm.c +++ b/drivers/rpmsg/qcom_glink_rpm.c @@ -53,6 +53,13 @@ struct glink_rpm_pipe { void __iomem *fifo; }; +struct glink_rpm { + struct qcom_glink *glink; + + struct glink_rpm_pipe rx_pipe; + struct glink_rpm_pipe tx_pipe; +}; + static size_t glink_rpm_rx_avail(struct qcom_glink_pipe *glink_pipe) { struct glink_rpm_pipe *pipe = to_rpm_pipe(glink_pipe); @@ -257,8 +264,7 @@ err_inval: static int glink_rpm_probe(struct platform_device *pdev) { struct qcom_glink *glink; - struct glink_rpm_pipe *rx_pipe; - struct glink_rpm_pipe *tx_pipe; + struct glink_rpm *rpm; struct device_node *np; void __iomem *msg_ram; size_t msg_ram_size; @@ -266,9 +272,8 @@ static int glink_rpm_probe(struct platform_device *pdev) struct resource r; int ret; - rx_pipe = devm_kzalloc(&pdev->dev, sizeof(*rx_pipe), GFP_KERNEL); - tx_pipe = devm_kzalloc(&pdev->dev, sizeof(*tx_pipe), GFP_KERNEL); - if (!rx_pipe || !tx_pipe) + rpm = devm_kzalloc(&pdev->dev, sizeof(*rpm), GFP_KERNEL); + if (!rpm) return -ENOMEM; np = of_parse_phandle(dev->of_node, "qcom,rpm-msg-ram", 0); @@ -283,36 +288,39 @@ static int glink_rpm_probe(struct platform_device *pdev) return -ENOMEM; ret = glink_rpm_parse_toc(dev, msg_ram, msg_ram_size, - rx_pipe, tx_pipe); + &rpm->rx_pipe, &rpm->tx_pipe); if (ret) return ret; /* Pipe specific accessors */ - rx_pipe->native.avail = glink_rpm_rx_avail; - rx_pipe->native.peak = glink_rpm_rx_peak; - rx_pipe->native.advance = glink_rpm_rx_advance; - tx_pipe->native.avail = glink_rpm_tx_avail; - tx_pipe->native.write = glink_rpm_tx_write; + rpm->rx_pipe.native.avail = glink_rpm_rx_avail; + rpm->rx_pipe.native.peak = glink_rpm_rx_peak; + rpm->rx_pipe.native.advance = glink_rpm_rx_advance; + rpm->tx_pipe.native.avail = glink_rpm_tx_avail; + rpm->tx_pipe.native.write = glink_rpm_tx_write; - writel(0, tx_pipe->head); - writel(0, rx_pipe->tail); + writel(0, rpm->tx_pipe.head); + writel(0, rpm->rx_pipe.tail); - glink = qcom_glink_native_probe(&pdev->dev, + glink = qcom_glink_native_probe(dev, 0, - &rx_pipe->native, - &tx_pipe->native, + &rpm->rx_pipe.native, + &rpm->tx_pipe.native, true); if (IS_ERR(glink)) return PTR_ERR(glink); - platform_set_drvdata(pdev, glink); + rpm->glink = glink; + + platform_set_drvdata(pdev, rpm); return 0; } static int glink_rpm_remove(struct platform_device *pdev) { - struct qcom_glink *glink = platform_get_drvdata(pdev); + struct glink_rpm *rpm = platform_get_drvdata(pdev); + struct qcom_glink *glink = rpm->glink; qcom_glink_native_remove(glink); -- cgit v1.2.3