[PATCH v4 18/25] firmware: xilinx: Remove eemi ops for set_requirement

From: Jolly Shah
Date: Thu Apr 09 2020 - 15:14:15 EST


From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>

Use direct function call instead of using eemi ops for
set_requirement.

Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Jolly Shah <jolly.shah@xxxxxxxxxx>
---
drivers/firmware/xilinx/zynqmp.c | 8 ++++----
drivers/soc/xilinx/zynqmp_pm_domains.c | 16 ++--------------
include/linux/firmware/xlnx-zynqmp.h | 14 ++++++++++----
3 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index ce65bafd..0c5c8bc 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -778,13 +778,14 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_release_node);
*
* Return: Returns status, either success or error+reason
*/
-static int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
- const u32 qos,
- const enum zynqmp_pm_request_ack ack)
+int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
+ const u32 qos,
+ const enum zynqmp_pm_request_ack ack)
{
return zynqmp_pm_invoke_fn(PM_SET_REQUIREMENT, node, capabilities,
qos, ack, NULL);
}
+EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);

/**
* zynqmp_pm_aes - Access AES hardware to encrypt/decrypt the data using
@@ -811,7 +812,6 @@ static int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}

static const struct zynqmp_eemi_ops eemi_ops = {
- .set_requirement = zynqmp_pm_set_requirement,
.fpga_load = zynqmp_pm_fpga_load,
.fpga_get_status = zynqmp_pm_fpga_get_status,
.aes = zynqmp_pm_aes_engine,
diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c
index 20bee26..226d343 100644
--- a/drivers/soc/xilinx/zynqmp_pm_domains.c
+++ b/drivers/soc/xilinx/zynqmp_pm_domains.c
@@ -23,8 +23,6 @@
/* Flag stating if PM nodes mapped to the PM domain has been requested */
#define ZYNQMP_PM_DOMAIN_REQUESTED BIT(0)

-static const struct zynqmp_eemi_ops *eemi_ops;
-
static int min_capability;

/**
@@ -76,11 +74,8 @@ static int zynqmp_gpd_power_on(struct generic_pm_domain *domain)
int ret;
struct zynqmp_pm_domain *pd;

- if (!eemi_ops->set_requirement)
- return -ENXIO;
-
pd = container_of(domain, struct zynqmp_pm_domain, gpd);
- ret = eemi_ops->set_requirement(pd->node_id,
+ ret = zynqmp_pm_set_requirement(pd->node_id,
ZYNQMP_PM_CAPABILITY_ACCESS,
ZYNQMP_PM_MAX_QOS,
ZYNQMP_PM_REQUEST_ACK_BLOCKING);
@@ -111,9 +106,6 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
u32 capabilities = min_capability;
bool may_wakeup;

- if (!eemi_ops->set_requirement)
- return -ENXIO;
-
pd = container_of(domain, struct zynqmp_pm_domain, gpd);

/* If domain is already released there is nothing to be done */
@@ -134,7 +126,7 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
}
}

- ret = eemi_ops->set_requirement(pd->node_id, capabilities, 0,
+ ret = zynqmp_pm_set_requirement(pd->node_id, capabilities, 0,
ZYNQMP_PM_REQUEST_ACK_NO);
/**
* If powering down of any node inside this domain fails,
@@ -260,10 +252,6 @@ static int zynqmp_gpd_probe(struct platform_device *pdev)
struct zynqmp_pm_domain *pd;
struct device *dev = &pdev->dev;

- eemi_ops = zynqmp_pm_get_eemi_ops();
- if (IS_ERR(eemi_ops))
- return PTR_ERR(eemi_ops);
-
pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL);
if (!pd)
return -ENOMEM;
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index bfa8cca..5927f6f 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -296,10 +296,6 @@ struct zynqmp_pm_query_data {
struct zynqmp_eemi_ops {
int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
int (*fpga_get_status)(u32 *value);
- int (*set_requirement)(const u32 node,
- const u32 capabilities,
- const u32 qos,
- const enum zynqmp_pm_request_ack ack);
int (*aes)(const u64 address, u32 *out);
};

@@ -334,6 +330,9 @@ int zynqmp_pm_set_suspend_mode(u32 mode);
int zynqmp_pm_request_node(const u32 node, const u32 capabilities,
const u32 qos, const enum zynqmp_pm_request_ack ack);
int zynqmp_pm_release_node(const u32 node);
+int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
+ const u32 qos,
+ const enum zynqmp_pm_request_ack ack);
#else
static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
@@ -440,6 +439,13 @@ static inline int zynqmp_pm_release_node(const u32 node)
{
return -ENODEV;
}
+static inline int zynqmp_pm_set_requirement(const u32 node,
+ const u32 capabilities,
+ const u32 qos,
+ const enum zynqmp_pm_request_ack ack)
+{
+ return -ENODEV;
+}
#endif

#endif /* __FIRMWARE_ZYNQMP_H__ */
--
2.7.4