Re: [PATCH v2 4/4] soc: kunpeng_hccs: Migrate to use generic PCC shmem related macros

From: lihuisong (C)
Date: Thu Sep 28 2023 - 07:30:51 EST


lgtm,
Reviewed-by: Huisong Li <lihuisong@xxxxxxxxxx>


在 2023/9/28 0:26, Sudeep Holla 写道:
Use the newly defined common and generic PCC shared memory region
related macros in this driver to replace the locally defined ones.

Cc: Huisong Li <lihuisong@xxxxxxxxxx>
Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
---
drivers/soc/hisilicon/kunpeng_hccs.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c
index f3810d9d1caa..27a96cafd1ea 100644
--- a/drivers/soc/hisilicon/kunpeng_hccs.c
+++ b/drivers/soc/hisilicon/kunpeng_hccs.c
@@ -31,10 +31,6 @@
#include "kunpeng_hccs.h"
-/* PCC defines */
-#define HCCS_PCC_SIGNATURE_MASK 0x50434300
-#define HCCS_PCC_STATUS_CMD_COMPLETE BIT(0)
-
/*
* Arbitrary retries in case the remote processor is slow to respond
* to PCC commands
@@ -187,7 +183,7 @@ static int hccs_check_chan_cmd_complete(struct hccs_dev *hdev)
* deadline_us(timeout_us) until PCC command complete bit is set(cond)
*/
ret = readw_poll_timeout(&comm_base->status, status,
- status & HCCS_PCC_STATUS_CMD_COMPLETE,
+ status & PCC_STATUS_CMD_COMPLETE,
HCCS_POLL_STATUS_TIME_INTERVAL_US,
cl_info->deadline_us);
if (unlikely(ret))
@@ -208,7 +204,7 @@ static int hccs_pcc_cmd_send(struct hccs_dev *hdev, u8 cmd,
int ret;
/* Write signature for this subspace */
- tmp.signature = HCCS_PCC_SIGNATURE_MASK | hdev->chan_id;
+ tmp.signature = PCC_SIGNATURE | hdev->chan_id;
/* Write to the shared command region */
tmp.command = cmd;
/* Clear cmd complete bit */