summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMark Rutland <mark.rutland@arm.com>2019-08-09 14:22:43 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2019-10-14 10:55:14 +0100
commita5520eac4d2dafb7a48c1b0f1c486afcebd6fe0d (patch)
tree08b387a4747a0229dd02786091fea1ef7e983253
parent6848253ddeae9fa44680bab6212599283f9d4ef2 (diff)
downloadlinux-stable-a5520eac4d2dafb7a48c1b0f1c486afcebd6fe0d.tar.gz
linux-stable-a5520eac4d2dafb7a48c1b0f1c486afcebd6fe0d.tar.bz2
linux-stable-a5520eac4d2dafb7a48c1b0f1c486afcebd6fe0d.zip
firmware/psci: use common SMCCC_CONDUIT_*
Now that we have common SMCCC_CONDUIT_* definitions, migrate the PSCI code over to them, and kill off the old PSCI_CONDUIT_* definitions. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--drivers/firmware/psci/psci.c25
-rw-r--r--include/linux/psci.h9
2 files changed, 11 insertions, 23 deletions
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index eb797081d159..b3b6c15e7b36 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -53,7 +53,7 @@ bool psci_tos_resident_on(int cpu)
}
struct psci_operations psci_ops = {
- .conduit = PSCI_CONDUIT_NONE,
+ .conduit = SMCCC_CONDUIT_NONE,
.smccc_version = SMCCC_VERSION_1_0,
};
@@ -62,14 +62,7 @@ enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
if (psci_ops.smccc_version < SMCCC_VERSION_1_1)
return SMCCC_CONDUIT_NONE;
- switch (psci_ops.conduit) {
- case PSCI_CONDUIT_SMC:
- return SMCCC_CONDUIT_SMC;
- case PSCI_CONDUIT_HVC:
- return SMCCC_CONDUIT_HVC;
- default:
- return SMCCC_CONDUIT_NONE;
- }
+ return psci_ops.conduit;
}
typedef unsigned long (psci_fn)(unsigned long, unsigned long,
@@ -227,13 +220,13 @@ static unsigned long psci_migrate_info_up_cpu(void)
0, 0, 0);
}
-static void set_conduit(enum psci_conduit conduit)
+static void set_conduit(enum arm_smccc_conduit conduit)
{
switch (conduit) {
- case PSCI_CONDUIT_HVC:
+ case SMCCC_CONDUIT_HVC:
invoke_psci_fn = __invoke_psci_fn_hvc;
break;
- case PSCI_CONDUIT_SMC:
+ case SMCCC_CONDUIT_SMC:
invoke_psci_fn = __invoke_psci_fn_smc;
break;
default:
@@ -255,9 +248,9 @@ static int get_set_conduit_method(struct device_node *np)
}
if (!strcmp("hvc", method)) {
- set_conduit(PSCI_CONDUIT_HVC);
+ set_conduit(SMCCC_CONDUIT_HVC);
} else if (!strcmp("smc", method)) {
- set_conduit(PSCI_CONDUIT_SMC);
+ set_conduit(SMCCC_CONDUIT_SMC);
} else {
pr_warn("invalid \"method\" property: %s\n", method);
return -EINVAL;
@@ -598,9 +591,9 @@ int __init psci_acpi_init(void)
pr_info("probing for conduit method from ACPI.\n");
if (acpi_psci_use_hvc())
- set_conduit(PSCI_CONDUIT_HVC);
+ set_conduit(SMCCC_CONDUIT_HVC);
else
- set_conduit(PSCI_CONDUIT_SMC);
+ set_conduit(SMCCC_CONDUIT_SMC);
return psci_probe();
}
diff --git a/include/linux/psci.h b/include/linux/psci.h
index e2bacc6fd2f2..ebe0a881d13d 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -7,6 +7,7 @@
#ifndef __LINUX_PSCI_H
#define __LINUX_PSCI_H
+#include <linux/arm-smccc.h>
#include <linux/init.h>
#include <linux/types.h>
@@ -18,12 +19,6 @@ bool psci_tos_resident_on(int cpu);
int psci_cpu_suspend_enter(u32 state);
bool psci_power_state_is_valid(u32 state);
-enum psci_conduit {
- PSCI_CONDUIT_NONE,
- PSCI_CONDUIT_SMC,
- PSCI_CONDUIT_HVC,
-};
-
enum smccc_version {
SMCCC_VERSION_1_0,
SMCCC_VERSION_1_1,
@@ -38,7 +33,7 @@ struct psci_operations {
int (*affinity_info)(unsigned long target_affinity,
unsigned long lowest_affinity_level);
int (*migrate_info_type)(void);
- enum psci_conduit conduit;
+ enum arm_smccc_conduit conduit;
enum smccc_version smccc_version;
};