[PATCH 3/3] hwmon: (xgene) Migrate to use generic PCC shmem related macros

Sudeep Holla
2023-09-26T12:28:22Z

Use the newly defined common and generic PCC shared memory region
related macros in this driver to replace the locally defined ones.

Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/hwmon/xgene-hwmon.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c
index 78d9f52e2a71..1ccdd61b6d13 100644
--- a/drivers/hwmon/xgene-hwmon.c
+++ b/drivers/hwmon/xgene-hwmon.c
@@ -57,12 +57,6 @@
(MSG_TYPE_SET(MSG_TYPE_PWRMGMT) | \
MSG_SUBTYPE_SET(hndl) | TPC_CMD_SET(cmd) | type)

-/* PCC defines */
-#define PCC_SIGNATURE_MASK 0x50424300
-#define PCCC_GENERATE_DB_INT BIT(15)
-#define PCCS_CMD_COMPLETE BIT(0)
-#define PCCS_SCI_DOORBEL BIT(1)
-#define PCCS_PLATFORM_NOTIFICATION BIT(3)
/*
* Arbitrary retries in case the remote processor is slow to respond
* to PCC commands
@@ -142,15 +136,15 @@ static int xgene_hwmon_pcc_rd(struct xgene_hwmon_dev *ctx, u32 *msg)

/* Write signature for subspace */
WRITE_ONCE(generic_comm_base->signature,
- cpu_to_le32(PCC_SIGNATURE_MASK | ctx->mbox_idx));
+ cpu_to_le32(PCC_SIGNATURE | ctx->mbox_idx));

/* Write to the shared command region */
WRITE_ONCE(generic_comm_base->command,
- cpu_to_le16(MSG_TYPE(msg[0]) | PCCC_GENERATE_DB_INT));
+ cpu_to_le16(MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INTR));

/* Flip CMD COMPLETE bit */
val = le16_to_cpu(READ_ONCE(generic_comm_base->status));
- val &= ~PCCS_CMD_COMPLETE;
+ val &= ~PCC_STATUS_CMD_COMPLETE;
WRITE_ONCE(generic_comm_base->status, cpu_to_le16(val));

/* Copy the message to the PCC comm space */
@@ -544,7 +538,7 @@ static void xgene_hwmon_pcc_rx_cb(struct mbox_client *cl, void *msg)
msg = generic_comm_base + 1;
/* Check if platform sends interrupt */
if (!xgene_word_tst_and_clr(&generic_comm_base->status,
- PCCS_SCI_DOORBEL))
+ PCC_STATUS_SCI_DOORBELL))
return;

/*
@@ -566,7 +560,7 @@ static void xgene_hwmon_pcc_rx_cb(struct mbox_client *cl, void *msg)
TPC_CMD(((u32 *)msg)[0]) == TPC_ALARM))) {
/* Check if platform completes command */
if (xgene_word_tst_and_clr(&generic_comm_base->status,
- PCCS_CMD_COMPLETE)) {
+ PCC_STATUS_CMD_COMPLETE)) {
ctx->sync_msg.msg = ((u32 *)msg)[0];
ctx->sync_msg.param1 = ((u32 *)msg)[1];
ctx->sync_msg.param2 = ((u32 *)msg)[2];

--
2.42.0