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firmware: scmi: prepare scmi uclass API to multi-channel

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Changes SCMI driver API function devm_scmi_process_msg() to add
an SCMI channel reference argument for when SCMI agent supports
SCMI protocol specific channels. First argument of devm_scmi_process_msg()
is also change to point to the caller SCMI protocol device rather
than its parent device (the SCMI agent device).

The argument is a pointer to opaque struct scmi_channel known from
the SCMI transport drivers. It is currently unused and caller a pass
NULL value. A later change will enable such support once SCMI protocol
drivers have means to get the channel reference during initialization.

Cc: Lukasz Majewski <lukma@denx.de>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
This commit is contained in:
Etienne Carriere
2022-05-31 18:09:18 +02:00
committed by Tom Rini
parent 5d8eb4ce33
commit 8bcb1b4898
6 changed files with 19 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/clk/clk_scmi.c
View File

@@ -24,7 +24,7 @@ static int scmi_clk_get_num_clock(struct udevice *dev, size_t *num_clocks)
};
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret)
return ret;
@@ -49,7 +49,7 @@ static int scmi_clk_get_attibute(struct udevice *dev, int clkid, char **name)
};
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret)
return ret;
@@ -70,7 +70,7 @@ static int scmi_clk_gate(struct clk *clk, int enable)
in, out);
int ret;
ret = devm_scmi_process_msg(clk->dev, &msg);
ret = devm_scmi_process_msg(clk->dev, NULL, &msg);
if (ret)
return ret;
@@ -98,7 +98,7 @@ static ulong scmi_clk_get_rate(struct clk *clk)
in, out);
int ret;
ret = devm_scmi_process_msg(clk->dev, &msg);
ret = devm_scmi_process_msg(clk->dev, NULL, &msg);
if (ret < 0)
return ret;
@@ -123,7 +123,7 @@ static ulong scmi_clk_set_rate(struct clk *clk, ulong rate)
in, out);
int ret;
ret = devm_scmi_process_msg(clk->dev, &msg);
ret = devm_scmi_process_msg(clk->dev, NULL, &msg);
if (ret < 0)
return ret;

3
drivers/firmware/scmi/scmi_agent-uclass.c
View File

@@ -114,7 +114,8 @@ static const struct scmi_agent_ops *transport_dev_ops(struct udevice *dev)
return (const struct scmi_agent_ops *)dev->driver->ops;
}
int devm_scmi_process_msg(struct udevice *dev, struct scmi_msg *msg)
int devm_scmi_process_msg(struct udevice *dev, struct scmi_channel *channel,
struct scmi_msg *msg)
{
const struct scmi_agent_ops *ops;
struct udevice *parent = dev;

10
drivers/power/regulator/scmi_regulator.c
View File

@@ -38,7 +38,7 @@ static int scmi_voltd_set_enable(struct udevice *dev, bool enable)
in, out);
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret)
return ret;
@@ -61,7 +61,7 @@ static int scmi_voltd_get_enable(struct udevice *dev)
in, out);
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret < 0)
return ret;
@@ -85,7 +85,7 @@ static int scmi_voltd_set_voltage_level(struct udevice *dev, int uV)
in, out);
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret < 0)
return ret;
@@ -104,7 +104,7 @@ static int scmi_voltd_get_voltage_level(struct udevice *dev)
in, out);
int ret;
ret = devm_scmi_process_msg(dev, &msg);
ret = devm_scmi_process_msg(dev, NULL, &msg);
if (ret < 0)
return ret;
@@ -147,7 +147,7 @@ static int scmi_regulator_probe(struct udevice *dev)
/* Check voltage domain is known from SCMI server */
in.domain_id = pdata->domain_id;
ret = devm_scmi_process_msg(dev, &scmi_msg);
ret = devm_scmi_process_msg(dev, NULL, &scmi_msg);
if (ret) {
dev_err(dev, "Failed to query voltage domain %u: %d\n",
pdata->domain_id, ret);

4
drivers/reset/reset-scmi.c
View File

@@ -26,7 +26,7 @@ static int scmi_reset_set_level(struct reset_ctl *rst, bool assert_not_deassert)
in, out);
int ret;
ret = devm_scmi_process_msg(rst->dev, &msg);
ret = devm_scmi_process_msg(rst->dev, NULL, &msg);
if (ret)
return ret;
@@ -58,7 +58,7 @@ static int scmi_reset_request(struct reset_ctl *rst)
* We don't really care about the attribute, just check
* the reset domain exists.
*/
ret = devm_scmi_process_msg(rst->dev, &msg);
ret = devm_scmi_process_msg(rst->dev, NULL, &msg);
if (ret)
return ret;