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path: root/drivers/acpi/cppc_acpi.c
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Diffstat (limited to 'drivers/acpi/cppc_acpi.c')
-rw-r--r--drivers/acpi/cppc_acpi.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 6970b44d37d5..8a0911a13599 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -116,10 +116,10 @@ static int send_pcc_cmd(u16 cmd)
}
/* Write to the shared comm region. */
- writew(cmd, &generic_comm_base->command);
+ writew_relaxed(cmd, &generic_comm_base->command);
/* Flip CMD COMPLETE bit */
- writew(0, &generic_comm_base->status);
+ writew_relaxed(0, &generic_comm_base->status);
/* Ring doorbell */
ret = mbox_send_message(pcc_channel, &cmd);
@@ -601,16 +601,16 @@ static int cpc_read(struct cpc_reg *reg, u64 *val)
switch (reg->bit_width) {
case 8:
- *val = readb(vaddr);
+ *val = readb_relaxed(vaddr);
break;
case 16:
- *val = readw(vaddr);
+ *val = readw_relaxed(vaddr);
break;
case 32:
- *val = readl(vaddr);
+ *val = readl_relaxed(vaddr);
break;
case 64:
- *val = readq(vaddr);
+ *val = readq_relaxed(vaddr);
break;
default:
pr_debug("Error: Cannot read %u bit width from PCC\n",
@@ -632,16 +632,16 @@ static int cpc_write(struct cpc_reg *reg, u64 val)
switch (reg->bit_width) {
case 8:
- writeb(val, vaddr);
+ writeb_relaxed(val, vaddr);
break;
case 16:
- writew(val, vaddr);
+ writew_relaxed(val, vaddr);
break;
case 32:
- writel(val, vaddr);
+ writel_relaxed(val, vaddr);
break;
case 64:
- writeq(val, vaddr);
+ writeq_relaxed(val, vaddr);
break;
default:
pr_debug("Error: Cannot write %u bit width to PCC\n",