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path: root/drivers/acpi/cppc_acpi.c
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-rw-r--r--drivers/acpi/cppc_acpi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 75aaf94ae0a9..69057fcd2c04 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -233,8 +233,8 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
{
int ret = -EIO, i;
struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id];
- struct acpi_pcct_shared_memory *generic_comm_base =
- (struct acpi_pcct_shared_memory *)pcc_ss_data->pcc_comm_addr;
+ struct acpi_pcct_shared_memory __iomem *generic_comm_base =
+ pcc_ss_data->pcc_comm_addr;
unsigned int time_delta;
/*
@@ -934,7 +934,7 @@ int __weak cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val)
static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
{
int ret_val = 0;
- void __iomem *vaddr = 0;
+ void __iomem *vaddr = NULL;
int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
struct cpc_reg *reg = &reg_res->cpc_entry.reg;
@@ -979,7 +979,7 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
{
int ret_val = 0;
- void __iomem *vaddr = 0;
+ void __iomem *vaddr = NULL;
int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
struct cpc_reg *reg = &reg_res->cpc_entry.reg;