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,
abelvesa@kernel.org, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH V2 3/9] interconnect: add device managed bulk API
Date: Thu, 16 Jun 2022 15:33:14 +0800 [thread overview]
Message-ID: <20220616073320.2203000-4-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20220616073320.2203000-1-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 | 42 ++++++++++++++++++++++++++++++++++++
include/linux/interconnect.h | 7 ++++++
2 files changed, 49 insertions(+)
diff --git a/drivers/interconnect/bulk.c b/drivers/interconnect/bulk.c
index 448cc536aa79..8b1d8a412464 100644
--- a/drivers/interconnect/bulk.c
+++ b/drivers/interconnect/bulk.c
@@ -115,3 +115,45 @@ 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);
+}
+
+/**
+ * devm_of_icc_bulk_get() - resource managed of_icc_bulk_get
+ * @dev: the device requesting the path
+ * @num_paths: the number of icc_bulk_data
+ * @paths: the table with the paths we want to get
+ *
+ * Returns 0 on success or negative errno otherwise.
+ */
+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..2b0e784ba771 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 +117,12 @@ static inline int of_icc_bulk_get(struct device *dev, int num_paths, struct icc_
return 0;
}
+static inline 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:[~2022-06-16 7:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-16 7:33 [PATCH V2 0/9] interconnect: support i.MX8MP Peng Fan (OSS)
2022-06-16 7:33 ` [PATCH V2 1/9] dt-bindings: interconnect: imx8m: Add bindings for imx8mp noc Peng Fan (OSS)
2022-06-27 22:18 ` Rob Herring
2022-06-16 7:33 ` [PATCH V2 2/9] dt-bindings: interconnect: add fsl,imx8mp.h Peng Fan (OSS)
2022-06-27 22:19 ` Rob Herring
2022-06-16 7:33 ` Peng Fan (OSS) [this message]
2022-06-16 7:33 ` [PATCH V2 4/9] interconnect: imx: fix max_node_id Peng Fan (OSS)
2022-06-16 7:33 ` [PATCH V2 5/9] interconnect: imx: set src node Peng Fan (OSS)
2022-06-16 7:33 ` [PATCH V2 6/9] interconnect: imx: introduce imx_icc_provider Peng Fan (OSS)
2022-06-16 7:33 ` [PATCH V2 7/9] interconnect: imx: set of_node for interconnect provider Peng Fan (OSS)
2022-06-29 15:08 ` Lucas Stach
2022-06-29 17:32 ` Laurent Pinchart
2022-07-03 8:43 ` Peng Fan (OSS)
2022-07-02 12:48 ` Peng Fan
2022-06-16 7:33 ` [PATCH V2 8/9] interconnect: imx: configure NoC mode/prioriry/ext_control Peng Fan (OSS)
2022-06-28 17:57 ` Georgi Djakov
2022-07-02 12:41 ` Peng Fan
2022-06-29 15:14 ` Lucas Stach
2022-07-02 12:50 ` Peng Fan
2022-06-16 7:33 ` [PATCH V2 9/9] interconnect: imx: Add platform driver for imx8mp Peng Fan (OSS)
2022-06-28 17:58 ` Georgi Djakov
2022-06-29 15:17 ` Lucas Stach
2022-07-02 12:51 ` Peng Fan
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