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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-10-06 22:32:08 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-10-06 22:32:08 +0300
commitaa2e505c80ba604077f8eca633f542bdb24217a2 (patch)
tree0dfffd2704b36457b98a29b1f29fc4381a572924 /drivers/soc
parent8a749fd1a8720d4619c91c8b6e7528c0a355c0aa (diff)
parenta46e42c097982e258f89c64c5f52f30994bcfeda (diff)
downloadlinux-aa2e505c80ba604077f8eca633f542bdb24217a2.tar.xz
Merge tag 'acpi-pcc-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux
Merge ACPI PCC changes for v6.7 from Sudeep Holla: "ACPI: PCC: Mailbox and generic updates for v6.7 Main updates include: 1. Addition of support for Type 4 PCC subspace that enables platform notification handling (Huisong Li). 2. Support for the shared interrupt amongst multiple PCC subspaces/ channels (Huisong Li). 3. Consolidation of PCC shared memory region command and status bitfields definitions that were duplicated and scattered across multiple PCC client drivers (Sudeep Holla)." * tag 'acpi-pcc-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: soc: kunpeng_hccs: Migrate to use generic PCC shmem related macros hwmon: (xgene) Migrate to use generic PCC shmem related macros i2c: xgene-slimpro: Migrate to use generic PCC shmem related macros ACPI: PCC: Add PCC shared memory region command and status bitfields mailbox: pcc: Support shared interrupt for multiple subspaces mailbox: pcc: Add support for platform notification handling
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/hisilicon/kunpeng_hccs.c8
1 files 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 */