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-rw-r--r--drivers/acpi/cppc_acpi.c43
1 files changed, 15 insertions, 28 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index bd482108310c..a85c351589be 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -43,7 +43,7 @@
#include <acpi/cppc_acpi.h>
struct cppc_pcc_data {
- struct mbox_chan *pcc_channel;
+ struct pcc_mbox_chan *pcc_channel;
void __iomem *pcc_comm_addr;
bool pcc_channel_acquired;
unsigned int deadline_us;
@@ -295,7 +295,7 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
pcc_ss_data->platform_owns_pcc = true;
/* Ring doorbell */
- ret = mbox_send_message(pcc_ss_data->pcc_channel, &cmd);
+ ret = mbox_send_message(pcc_ss_data->pcc_channel->mchan, &cmd);
if (ret < 0) {
pr_err("Err sending PCC mbox message. ss: %d cmd:%d, ret:%d\n",
pcc_ss_id, cmd, ret);
@@ -308,10 +308,10 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
if (pcc_ss_data->pcc_mrtt)
pcc_ss_data->last_cmd_cmpl_time = ktime_get();
- if (pcc_ss_data->pcc_channel->mbox->txdone_irq)
- mbox_chan_txdone(pcc_ss_data->pcc_channel, ret);
+ if (pcc_ss_data->pcc_channel->mchan->mbox->txdone_irq)
+ mbox_chan_txdone(pcc_ss_data->pcc_channel->mchan, ret);
else
- mbox_client_txdone(pcc_ss_data->pcc_channel, ret);
+ mbox_client_txdone(pcc_ss_data->pcc_channel->mchan, ret);
end:
if (cmd == CMD_WRITE) {
@@ -493,46 +493,33 @@ EXPORT_SYMBOL_GPL(acpi_get_psd_map);
static int register_pcc_channel(int pcc_ss_idx)
{
- struct acpi_pcct_hw_reduced *cppc_ss;
+ struct pcc_mbox_chan *pcc_chan;
u64 usecs_lat;
if (pcc_ss_idx >= 0) {
- pcc_data[pcc_ss_idx]->pcc_channel =
- pcc_mbox_request_channel(&cppc_mbox_cl, pcc_ss_idx);
+ pcc_chan = pcc_mbox_request_channel(&cppc_mbox_cl, pcc_ss_idx);
- if (IS_ERR(pcc_data[pcc_ss_idx]->pcc_channel)) {
+ if (IS_ERR(pcc_chan)) {
pr_err("Failed to find PCC channel for subspace %d\n",
pcc_ss_idx);
return -ENODEV;
}
- /*
- * The PCC mailbox controller driver should
- * have parsed the PCCT (global table of all
- * PCC channels) and stored pointers to the
- * subspace communication region in con_priv.
- */
- cppc_ss = (pcc_data[pcc_ss_idx]->pcc_channel)->con_priv;
-
- if (!cppc_ss) {
- pr_err("No PCC subspace found for %d CPPC\n",
- pcc_ss_idx);
- return -ENODEV;
- }
-
+ pcc_data[pcc_ss_idx]->pcc_channel = pcc_chan;
/*
* cppc_ss->latency is just a Nominal value. In reality
* the remote processor could be much slower to reply.
* So add an arbitrary amount of wait on top of Nominal.
*/
- usecs_lat = NUM_RETRIES * cppc_ss->latency;
+ usecs_lat = NUM_RETRIES * pcc_chan->latency;
pcc_data[pcc_ss_idx]->deadline_us = usecs_lat;
- pcc_data[pcc_ss_idx]->pcc_mrtt = cppc_ss->min_turnaround_time;
- pcc_data[pcc_ss_idx]->pcc_mpar = cppc_ss->max_access_rate;
- pcc_data[pcc_ss_idx]->pcc_nominal = cppc_ss->latency;
+ pcc_data[pcc_ss_idx]->pcc_mrtt = pcc_chan->min_turnaround_time;
+ pcc_data[pcc_ss_idx]->pcc_mpar = pcc_chan->max_access_rate;
+ pcc_data[pcc_ss_idx]->pcc_nominal = pcc_chan->latency;
pcc_data[pcc_ss_idx]->pcc_comm_addr =
- acpi_os_ioremap(cppc_ss->base_address, cppc_ss->length);
+ acpi_os_ioremap(pcc_chan->shmem_base_addr,
+ pcc_chan->shmem_size);
if (!pcc_data[pcc_ss_idx]->pcc_comm_addr) {
pr_err("Failed to ioremap PCC comm region mem for %d\n",
pcc_ss_idx);