From: Tinghan Shen <tinghan.shen@mediatek.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
Benson Leung <bleung@chromium.org>,
Guenter Roeck <groeck@chromium.org>,
Daisuke Nojiri <dnojiri@chromium.org>,
Sebastian Reichel <sebastian.reichel@collabora.com>,
"Dustin L. Howett" <dustin@howett.net>,
Tzung-Bi Shih <tzungbi@kernel.org>,
Tinghan Shen <tinghan.shen@mediatek.com>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Prashant Malani <pmalani@chromium.org>,
Enric Balletbo i Serra <enric.balletbo@collabora.com>,
Brian Norris <briannorris@chromium.org>
Cc: <linux-remoteproc@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <chrome-platform@lists.linux.dev>,
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
<weishunc@google.com>
Subject: [PATCH v1 14/15] remoteproc: mediatek: Support rpmsg for SCP core 1
Date: Wed, 1 Jun 2022 19:22:00 +0800 [thread overview]
Message-ID: <20220601112201.15510-15-tinghan.shen@mediatek.com> (raw)
In-Reply-To: <20220601112201.15510-1-tinghan.shen@mediatek.com>
Reuse the rpmsg subdevice flow of SCP core 0 on SCP core 1.
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
---
drivers/remoteproc/mtk_common.h | 3 +++
drivers/remoteproc/mtk_scp.c | 6 ++++--
drivers/remoteproc/mtk_scp_dual.c | 4 ++++
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h
index 464d013ed6b2..89e2bec0a087 100644
--- a/drivers/remoteproc/mtk_common.h
+++ b/drivers/remoteproc/mtk_common.h
@@ -185,4 +185,7 @@ void scp_ipi_handler(struct mtk_scp *scp);
struct rproc_subdev *scp_dual_create_subdev(struct mtk_scp *scp);
void scp_dual_destroy_subdev(struct rproc_subdev *subdev);
+
+void scp_add_rpmsg_subdev(struct mtk_scp *scp);
+void scp_remove_rpmsg_subdev(struct mtk_scp *scp);
#endif
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index c7bf0a44ba0d..fbeaa81e914d 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -825,7 +825,7 @@ static struct mtk_rpmsg_info mtk_scp_rpmsg_info = {
.ns_ipi_id = SCP_IPI_NS_SERVICE,
};
-static void scp_add_rpmsg_subdev(struct mtk_scp *scp)
+void scp_add_rpmsg_subdev(struct mtk_scp *scp)
{
scp->rpmsg_subdev =
mtk_rpmsg_create_rproc_subdev(to_platform_device(scp->dev),
@@ -833,8 +833,9 @@ static void scp_add_rpmsg_subdev(struct mtk_scp *scp)
if (scp->rpmsg_subdev)
rproc_add_subdev(scp->rproc, scp->rpmsg_subdev);
}
+EXPORT_SYMBOL_GPL(scp_add_rpmsg_subdev);
-static void scp_remove_rpmsg_subdev(struct mtk_scp *scp)
+void scp_remove_rpmsg_subdev(struct mtk_scp *scp)
{
if (scp->rpmsg_subdev) {
rproc_remove_subdev(scp->rproc, scp->rpmsg_subdev);
@@ -842,6 +843,7 @@ static void scp_remove_rpmsg_subdev(struct mtk_scp *scp)
scp->rpmsg_subdev = NULL;
}
}
+EXPORT_SYMBOL_GPL(scp_remove_rpmsg_subdev);
static void scp_add_dual_subdev(struct mtk_scp *scp)
{
diff --git a/drivers/remoteproc/mtk_scp_dual.c b/drivers/remoteproc/mtk_scp_dual.c
index ab62ab54175c..caa57516e083 100644
--- a/drivers/remoteproc/mtk_scp_dual.c
+++ b/drivers/remoteproc/mtk_scp_dual.c
@@ -249,6 +249,8 @@ static int scp_dual_probe(struct platform_device *pdev)
init_waitqueue_head(&scp->run.wq);
init_waitqueue_head(&scp->ack_wq);
+ scp_add_rpmsg_subdev(scp);
+
ret = devm_request_threaded_irq(dev, platform_get_irq(pdev, 0), NULL,
scp_irq_handler, IRQF_ONESHOT,
pdev->name, scp);
@@ -271,6 +273,7 @@ static int scp_dual_probe(struct platform_device *pdev)
return 0;
remove_ipi:
+ scp_remove_rpmsg_subdev(scp);
scp_ipi_unregister(scp, SCP_IPI_INIT);
release_dev_mem:
scp_unmap_memory_region(scp);
@@ -286,6 +289,7 @@ static int scp_dual_remove(struct platform_device *pdev)
struct mtk_scp *scp = platform_get_drvdata(pdev);
int i;
+ scp_remove_rpmsg_subdev(scp);
scp_ipi_unregister(scp, SCP_IPI_INIT);
scp_unmap_memory_region(scp);
for (i = 0; i < SCP_IPI_MAX; i++)
--
2.18.0
next prev parent reply other threads:[~2022-06-01 11:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 11:21 [PATCH v1 00/15] Add support for MT8195 SCP 2nd core Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 01/15] dt-binding: remoteproc: mediatek: Support dual-core SCP Tinghan Shen
2022-06-01 11:50 ` Krzysztof Kozlowski
2022-06-02 5:21 ` Tinghan Shen
2022-06-02 6:55 ` Krzysztof Kozlowski
2022-06-02 8:58 ` Tinghan Shen
2022-06-02 10:37 ` Krzysztof Kozlowski
2022-06-02 11:29 ` Tinghan Shen
2022-06-02 12:02 ` Krzysztof Kozlowski
2022-06-01 11:21 ` [PATCH v1 02/15] remoteproc: Kconfig: Add mt8195 SCP dual core configuration Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 03/15] remoteproc: mediatek: Support hanlding scp core 1 wdt timeout Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 04/15] remoteproc: mediatek: Add SCP core 1 register definitions Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 05/15] remoteproc: mediatek: Add SCP core 1 driver for dual-core scp Tinghan Shen
2022-06-06 9:15 ` AngeloGioacchino Del Regno
2022-06-06 9:52 ` Tinghan Shen
2022-06-06 10:08 ` AngeloGioacchino Del Regno
2022-06-06 10:41 ` Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 06/15] remoteproc: mediatek: Add SCP core 1 rproc operations Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 07/15] remoteproc: mediatek: Add SCP core 1 reserved memory support Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 08/15] remoteproc: mediatek: Add SCP core 1 interrupt support Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 09/15] remoteproc: mediatek: Register SCP core 1 initialization ipi Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 10/15] remoteproc: mediatek: Add chip dependent operations for SCP core 1 Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 11/15] remoteproc: mediatek: Add SCP core 1 SRAM offset Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 12/15] remoteproc: mediatek: Add SCP core 1 as a rproc subdevice Tinghan Shen
2022-06-01 11:21 ` [PATCH v1 13/15] remoteproc: mediatek: Wait SCP core 1 probe done Tinghan Shen
2022-06-01 11:22 ` Tinghan Shen [this message]
2022-06-01 11:22 ` [PATCH v1 15/15] mfd: cros_ec: Add SCP core 1 as a new CrOS EC MCU Tinghan Shen
2022-06-15 22:28 ` Lee Jones
2022-06-01 11:46 ` [PATCH v1 00/15] Add support for MT8195 SCP 2nd core Krzysztof Kozlowski
2022-06-02 3:52 ` Tinghan Shen
2022-06-02 6:56 ` Krzysztof Kozlowski
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