[PATCH v2 2/5] firmware: scmi: support protocols on sandbox only if enabled
AKASHI Takahiro
takahiro.akashi at linaro.org
Mon Nov 13 02:49:08 CET 2023
This change will be useful when we manually test SCMI on sandbox
by enabling/disabling a specific SCMI protocol.
Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
drivers/firmware/scmi/sandbox-scmi_agent.c | 27 ++++++-
drivers/firmware/scmi/sandbox-scmi_devices.c | 78 ++++++++++++--------
2 files changed, 72 insertions(+), 33 deletions(-)
diff --git a/drivers/firmware/scmi/sandbox-scmi_agent.c b/drivers/firmware/scmi/sandbox-scmi_agent.c
index d13180962662..1fc9a0f4ea7e 100644
--- a/drivers/firmware/scmi/sandbox-scmi_agent.c
+++ b/drivers/firmware/scmi/sandbox-scmi_agent.c
@@ -66,10 +66,18 @@ struct scmi_channel {
};
static u8 protocols[] = {
+#if IS_ENABLED(CONFIG_SCMI_POWER_DOMAIN)
SCMI_PROTOCOL_ID_POWER_DOMAIN,
+#endif
+#if IS_ENABLED(CONFIG_CLK_SCMI)
SCMI_PROTOCOL_ID_CLOCK,
+#endif
+#if IS_ENABLED(CONFIG_RESET_SCMI)
SCMI_PROTOCOL_ID_RESET_DOMAIN,
+#endif
+#if IS_ENABLED(CONFIG_DM_REGULATOR_SCMI)
SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN,
+#endif
};
#define NUM_PROTOCOLS ARRAY_SIZE(protocols)
@@ -1160,6 +1168,9 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
}
break;
case SCMI_PROTOCOL_ID_POWER_DOMAIN:
+ if (!IS_ENABLED(CONFIG_SCMI_POWER_DOMAIN))
+ goto not_supported;
+
switch (msg->message_id) {
case SCMI_PROTOCOL_VERSION:
return sandbox_scmi_pwd_protocol_version(dev, msg);
@@ -1180,6 +1191,9 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
}
break;
case SCMI_PROTOCOL_ID_CLOCK:
+ if (!IS_ENABLED(CONFIG_CLK_SCMI))
+ goto not_supported;
+
switch (msg->message_id) {
case SCMI_PROTOCOL_ATTRIBUTES:
return sandbox_scmi_clock_protocol_attribs(dev, msg);
@@ -1196,6 +1210,9 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
}
break;
case SCMI_PROTOCOL_ID_RESET_DOMAIN:
+ if (!IS_ENABLED(CONFIG_RESET_SCMI))
+ goto not_supported;
+
switch (msg->message_id) {
case SCMI_RESET_DOMAIN_ATTRIBUTES:
return sandbox_scmi_rd_attribs(dev, msg);
@@ -1206,6 +1223,9 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
}
break;
case SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN:
+ if (!IS_ENABLED(CONFIG_DM_REGULATOR_SCMI))
+ goto not_supported;
+
switch (msg->message_id) {
case SCMI_VOLTAGE_DOMAIN_ATTRIBUTES:
return sandbox_scmi_voltd_attribs(dev, msg);
@@ -1224,8 +1244,7 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
case SCMI_PROTOCOL_ID_SYSTEM:
case SCMI_PROTOCOL_ID_PERF:
case SCMI_PROTOCOL_ID_SENSOR:
- *(u32 *)msg->out_msg = SCMI_NOT_SUPPORTED;
- return 0;
+ goto not_supported;
default:
break;
}
@@ -1239,6 +1258,10 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
/* Intentionnaly report unhandled IDs through the SCMI return code */
*(u32 *)msg->out_msg = SCMI_PROTOCOL_ERROR;
return 0;
+
+not_supported:
+ *(u32 *)msg->out_msg = SCMI_NOT_SUPPORTED;
+ return 0;
}
static int sandbox_scmi_test_remove(struct udevice *dev)
diff --git a/drivers/firmware/scmi/sandbox-scmi_devices.c b/drivers/firmware/scmi/sandbox-scmi_devices.c
index facb5b06ffb5..0519cf889aa9 100644
--- a/drivers/firmware/scmi/sandbox-scmi_devices.c
+++ b/drivers/firmware/scmi/sandbox-scmi_devices.c
@@ -62,12 +62,13 @@ static int sandbox_scmi_devices_remove(struct udevice *dev)
if (!devices)
return 0;
- for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) {
- int ret2 = reset_free(devices->reset + n);
+ if (IS_ENABLED(CONFIG_RESET_SCMI))
+ for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) {
+ int ret2 = reset_free(devices->reset + n);
- if (ret2 && !ret)
- ret = ret2;
- }
+ if (ret2 && !ret)
+ ret = ret2;
+ }
return ret;
}
@@ -89,39 +90,53 @@ static int sandbox_scmi_devices_probe(struct udevice *dev)
.regul_count = SCMI_TEST_DEVICES_VOLTD_COUNT,
};
- ret = power_domain_get_by_index(dev, priv->devices.pwdom, 0);
- if (ret) {
- dev_err(dev, "%s: Failed on power domain\n", __func__);
- return ret;
- }
-
- for (n = 0; n < SCMI_TEST_DEVICES_CLK_COUNT; n++) {
- ret = clk_get_by_index(dev, n, priv->devices.clk + n);
+ if (IS_ENABLED(CONFIG_SCMI_POWER_DOMAIN)) {
+ ret = power_domain_get_by_index(dev, priv->devices.pwdom, 0);
if (ret) {
- dev_err(dev, "%s: Failed on clk %zu\n", __func__, n);
+ dev_err(dev, "%s: Failed on power domain\n", __func__);
return ret;
}
}
- for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) {
- ret = reset_get_by_index(dev, n, priv->devices.reset + n);
- if (ret) {
- dev_err(dev, "%s: Failed on reset %zu\n", __func__, n);
- goto err_reset;
+ if (IS_ENABLED(CONFIG_CLK_SCMI)) {
+ for (n = 0; n < SCMI_TEST_DEVICES_CLK_COUNT; n++) {
+ ret = clk_get_by_index(dev, n, priv->devices.clk + n);
+ if (ret) {
+ dev_err(dev, "%s: Failed on clk %zu\n",
+ __func__, n);
+ return ret;
+ }
}
}
- for (n = 0; n < SCMI_TEST_DEVICES_VOLTD_COUNT; n++) {
- char name[32];
-
- ret = snprintf(name, sizeof(name), "regul%zu-supply", n);
- assert(ret >= 0 && ret < sizeof(name));
+ if (IS_ENABLED(CONFIG_RESET_SCMI)) {
+ for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) {
+ ret = reset_get_by_index(dev, n,
+ priv->devices.reset + n);
+ if (ret) {
+ dev_err(dev, "%s: Failed on reset %zu\n",
+ __func__, n);
+ goto err_reset;
+ }
+ }
+ }
- ret = device_get_supply_regulator(dev, name,
- priv->devices.regul + n);
- if (ret) {
- dev_err(dev, "%s: Failed on voltd %zu\n", __func__, n);
- goto err_regul;
+ if (IS_ENABLED(CONFIG_DM_REGULATOR_SCMI)) {
+ for (n = 0; n < SCMI_TEST_DEVICES_VOLTD_COUNT; n++) {
+ char name[32];
+
+ ret = snprintf(name, sizeof(name), "regul%zu-supply",
+ n);
+ assert(ret >= 0 && ret < sizeof(name));
+
+ ret = device_get_supply_regulator(dev, name,
+ priv->devices.regul
+ + n);
+ if (ret) {
+ dev_err(dev, "%s: Failed on voltd %zu\n",
+ __func__, n);
+ goto err_regul;
+ }
}
}
@@ -130,8 +145,9 @@ static int sandbox_scmi_devices_probe(struct udevice *dev)
err_regul:
n = SCMI_TEST_DEVICES_RD_COUNT;
err_reset:
- for (; n > 0; n--)
- reset_free(priv->devices.reset + n - 1);
+ if (IS_ENABLED(CONFIG_RESET_SCMI))
+ for (; n > 0; n--)
+ reset_free(priv->devices.reset + n - 1);
return ret;
}
--
2.34.1
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