From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: djakov@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
festevam@gmail.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, abel.vesa@nxp.com,
abailon@baylibre.com, l.stach@pengutronix.de,
laurent.pinchart@ideasonboard.com, marex@denx.de,
paul.elder@ideasonboard.com, Markus.Niebel@ew.tq-group.com,
aford173@gmail.com
Cc: kernel@pengutronix.de, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-imx@nxp.com,
Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 2/8] interconnect: add device managed bulk API
Date: Wed, 1 Jun 2022 17:41:50 +0800 [thread overview]
Message-ID: <20220601094156.3388454-3-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20220601094156.3388454-1-peng.fan@oss.nxp.com>
From: Peng Fan <peng.fan@nxp.com>
Add device managed bulk API to simplify driver.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/interconnect/bulk.c | 34 ++++++++++++++++++++++++++++++++++
include/linux/interconnect.h | 6 ++++++
2 files changed, 40 insertions(+)
diff --git a/drivers/interconnect/bulk.c b/drivers/interconnect/bulk.c
index 448cc536aa79..4918844bfe0d 100644
--- a/drivers/interconnect/bulk.c
+++ b/drivers/interconnect/bulk.c
@@ -115,3 +115,37 @@ void icc_bulk_disable(int num_paths, const struct icc_bulk_data *paths)
icc_disable(paths[num_paths].path);
}
EXPORT_SYMBOL_GPL(icc_bulk_disable);
+
+struct icc_bulk_devres {
+ struct icc_bulk_data *paths;
+ int num_paths;
+};
+
+static void devm_icc_bulk_release(struct device *dev, void *res)
+{
+ struct icc_bulk_devres *devres = res;
+
+ icc_bulk_put(devres->num_paths, devres->paths);
+}
+
+int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
+{
+ struct icc_bulk_devres *devres;
+ int ret;
+
+ devres = devres_alloc(devm_icc_bulk_release, sizeof(*devres), GFP_KERNEL);
+ if (!devres)
+ return -ENOMEM;
+
+ ret = of_icc_bulk_get(dev, num_paths, paths);
+ if (!ret) {
+ devres->paths = paths;
+ devres->num_paths = num_paths;
+ devres_add(dev, devres);
+ } else {
+ devres_free(devres);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(devm_of_icc_bulk_get);
diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h
index f685777b875e..1a5fdf049edd 100644
--- a/include/linux/interconnect.h
+++ b/include/linux/interconnect.h
@@ -44,6 +44,7 @@ struct icc_path *icc_get(struct device *dev, const int src_id,
const int dst_id);
struct icc_path *of_icc_get(struct device *dev, const char *name);
struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
+int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths);
struct icc_path *of_icc_get_by_index(struct device *dev, int idx);
void icc_put(struct icc_path *path);
int icc_enable(struct icc_path *path);
@@ -116,6 +117,11 @@ static inline int of_icc_bulk_get(struct device *dev, int num_paths, struct icc_
return 0;
}
+int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bulk_data *paths)
+{
+ return 0;
+}
+
static inline void icc_bulk_put(int num_paths, struct icc_bulk_data *paths)
{
}
--
2.25.1
next prev parent reply other threads:[~2022-06-01 9:40 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 9:41 [PATCH 0/8] interconnect: support i.MX8MP Peng Fan (OSS)
2022-06-01 9:41 ` [PATCH 1/8] dt-bindings: interconnect: imx8m: Add bindings for imx8mp noc Peng Fan (OSS)
2022-06-01 11:55 ` Krzysztof Kozlowski
2022-06-01 12:06 ` Peng Fan
2022-06-01 12:13 ` Krzysztof Kozlowski
2022-06-01 9:41 ` Peng Fan (OSS) [this message]
2022-06-01 12:33 ` [PATCH 2/8] interconnect: add device managed bulk API kernel test robot
2022-06-01 13:15 ` kernel test robot
2022-06-01 13:37 ` kernel test robot
2022-06-01 14:58 ` kernel test robot
2022-06-13 18:27 ` Georgi Djakov
2022-06-01 9:41 ` [PATCH 3/8] interconnect: imx: fix max_node_id Peng Fan (OSS)
2022-06-04 0:14 ` Laurent Pinchart
2022-06-13 1:17 ` Peng Fan
2022-06-01 9:41 ` [PATCH 4/8] interconnect: imx: set src node Peng Fan (OSS)
2022-06-01 9:41 ` [PATCH 5/8] interconnect: imx: introduce imx_icc_provider Peng Fan (OSS)
2022-06-01 9:41 ` [PATCH 6/8] interconnect: imx: set of_node for interconnect provider Peng Fan (OSS)
2022-06-01 9:41 ` [PATCH 7/8] interconnect: imx: configure NoC mode/prioriry/ext_control Peng Fan (OSS)
2022-06-01 9:41 ` [PATCH 8/8] interconnect: imx: Add platform driver for imx8mp Peng Fan (OSS)
2022-06-01 11:56 ` Krzysztof Kozlowski
2022-06-01 12:03 ` Peng Fan
2022-06-13 1:23 ` [PATCH 0/8] interconnect: support i.MX8MP Peng Fan
2022-06-14 17:39 ` Lucas Stach
2022-06-14 23:38 ` Peng Fan
2022-06-15 9:06 ` Lucas Stach
2022-06-15 9:28 ` Peng Fan
2022-06-15 10:30 ` Lucas Stach
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