# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_CRYPTO_DEV_CCREE) := ccree.o
-ccree-y := ssi_driver.o ssi_buffer_mgr.o ssi_request_mgr.o ssi_cipher.o ssi_hash.o ssi_aead.o ssi_ivgen.o ssi_sram_mgr.o ssi_pm.o
+ccree-y := ssi_driver.o ssi_buffer_mgr.o ssi_request_mgr.o ssi_cipher.o ssi_hash.o ssi_aead.o ssi_ivgen.o ssi_sram_mgr.o
ccree-$(CONFIG_CRYPTO_FIPS) += ssi_fips.o
ccree-$(CONFIG_DEBUG_FS) += cc_debugfs.o
+ccree-$(CONFIG_PM) += ssi_pm.o
#include "ssi_hash.h"
#include "ssi_pm.h"
-#if defined(CONFIG_PM)
-
#define POWER_DOWN_ENABLE 0x01
#define POWER_DOWN_DISABLE 0x00
return rc;
}
-#endif
-
int cc_pm_init(struct cc_drvdata *drvdata)
{
int rc = 0;
-#if defined(CONFIG_PM)
struct device *dev = drvdata_to_dev(drvdata);
/* must be before the enabling to avoid resdundent suspending */
return rc;
/* enable the PM module*/
pm_runtime_enable(dev);
-#endif
+
return rc;
}
void cc_pm_fini(struct cc_drvdata *drvdata)
{
-#if defined(CONFIG_PM)
pm_runtime_disable(drvdata_to_dev(drvdata));
-#endif
}
#define CC_SUSPEND_TIMEOUT 3000
-int cc_pm_init(struct cc_drvdata *drvdata);
-
-void cc_pm_fini(struct cc_drvdata *drvdata);
-
#if defined(CONFIG_PM)
extern const struct dev_pm_ops ccree_pm;
+int cc_pm_init(struct cc_drvdata *drvdata);
+void cc_pm_fini(struct cc_drvdata *drvdata);
int cc_pm_suspend(struct device *dev);
-
int cc_pm_resume(struct device *dev);
-
int cc_pm_get(struct device *dev);
-
int cc_pm_put_suspend(struct device *dev);
+
+#else
+
+static inline int cc_pm_init(struct cc_drvdata *drvdata)
+{
+ return 0;
+}
+
+static inline void cc_pm_fini(struct cc_drvdata *drvdata) {}
+
+static inline int cc_pm_suspend(struct device *dev)
+{
+ return 0;
+}
+
+static inline int cc_pm_resume(struct device *dev)
+{
+ return 0;
+}
+
+static inline int cc_pm_get(struct device *dev)
+{
+ return 0;
+}
+
+static inline int cc_pm_put_suspend(struct device *dev)
+{
+ return 0;
+}
+
#endif
#endif /*__POWER_MGR_H__*/
#else
struct tasklet_struct comptask;
#endif
-#if defined(CONFIG_PM)
bool is_runtime_suspended;
-#endif
};
struct cc_bl_item {
spin_unlock(&mgr->hw_lock);
if (rc != -EINPROGRESS) {
-#if defined(CONFIG_PM)
cc_pm_put_suspend(dev);
-#endif
creq->user_cb(dev, req, rc);
}
gfp_t flags = cc_gfp_flags(req);
struct cc_bl_item *bli;
-#if defined(CONFIG_PM)
rc = cc_pm_get(dev);
if (rc) {
dev_err(dev, "ssi_power_mgr_runtime_get returned %x\n", rc);
return rc;
}
-#endif
+
spin_lock_bh(&mgr->hw_lock);
rc = cc_queues_status(drvdata, mgr, total_len);
bli = kmalloc(sizeof(*bli), flags);
if (!bli) {
-#if defined(CONFIG_PM)
cc_pm_put_suspend(dev);
-#endif
return -ENOMEM;
}
cc_req->user_cb = request_mgr_complete;
cc_req->user_arg = &cc_req->seq_compl;
-#if defined(CONFIG_PM)
rc = cc_pm_get(dev);
if (rc) {
dev_err(dev, "ssi_power_mgr_runtime_get returned %x\n", rc);
return rc;
}
-#endif
+
while (true) {
spin_lock_bh(&mgr->hw_lock);
rc = cc_queues_status(drvdata, mgr, len + 1);
spin_unlock_bh(&mgr->hw_lock);
if (rc != -EAGAIN) {
-#if defined(CONFIG_PM)
cc_pm_put_suspend(dev);
-#endif
return rc;
}
wait_for_completion_interruptible(&drvdata->hw_queue_avail);
spin_unlock_bh(&mgr->hw_lock);
if (rc != -EINPROGRESS) {
-#if defined(CONFIG_PM)
cc_pm_put_suspend(dev);
-#endif
return rc;
}
dev_dbg(dev, "Dequeue request tail=%u\n", *tail);
dev_dbg(dev, "Request completed. axi_completed=%d\n",
request_mgr_handle->axi_completed);
-#if defined(CONFIG_PM)
cc_pm_put_suspend(dev);
-#endif
}
}