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-rw-r--r--drivers/acpi/cppc_acpi.c27
-rw-r--r--drivers/acpi/pci_link.c4
-rw-r--r--drivers/acpi/tables.c2
3 files changed, 19 insertions, 14 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 0afbb2658cbc..735c74a4cbdb 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -227,7 +227,8 @@ static int check_pcc_chan(int pcc_ss_id, bool chk_err_bit)
if (likely(!ret))
pcc_ss_data->platform_owns_pcc = false;
else
- pr_err("PCC check channel failed. Status=%x\n", status);
+ pr_err("PCC check channel failed for ss: %d. Status=%x\n",
+ pcc_ss_id, status);
return ret;
}
@@ -291,7 +292,8 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
time_delta = ktime_ms_delta(ktime_get(),
pcc_ss_data->last_mpar_reset);
if ((time_delta < 60 * MSEC_PER_SEC) && pcc_ss_data->last_mpar_reset) {
- pr_debug("PCC cmd not sent due to MPAR limit");
+ pr_debug("PCC cmd for subspace %d not sent due to MPAR limit",
+ pcc_ss_id);
ret = -EIO;
goto end;
}
@@ -312,8 +314,8 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
/* Ring doorbell */
ret = mbox_send_message(pcc_ss_data->pcc_channel, &cmd);
if (ret < 0) {
- pr_err("Err sending PCC mbox message. cmd:%d, ret:%d\n",
- cmd, ret);
+ pr_err("Err sending PCC mbox message. ss: %d cmd:%d, ret:%d\n",
+ pcc_ss_id, cmd, ret);
goto end;
}
@@ -553,7 +555,8 @@ static int register_pcc_channel(int pcc_ss_idx)
pcc_mbox_request_channel(&cppc_mbox_cl, pcc_ss_idx);
if (IS_ERR(pcc_data[pcc_ss_idx]->pcc_channel)) {
- pr_err("Failed to find PCC communication channel\n");
+ pr_err("Failed to find PCC channel for subspace %d\n",
+ pcc_ss_idx);
return -ENODEV;
}
@@ -566,7 +569,8 @@ static int register_pcc_channel(int pcc_ss_idx)
cppc_ss = (pcc_data[pcc_ss_idx]->pcc_channel)->con_priv;
if (!cppc_ss) {
- pr_err("No PCC subspace found for CPPC\n");
+ pr_err("No PCC subspace found for %d CPPC\n",
+ pcc_ss_idx);
return -ENODEV;
}
@@ -584,7 +588,8 @@ static int register_pcc_channel(int pcc_ss_idx)
pcc_data[pcc_ss_idx]->pcc_comm_addr =
acpi_os_ioremap(cppc_ss->base_address, cppc_ss->length);
if (!pcc_data[pcc_ss_idx]->pcc_comm_addr) {
- pr_err("Failed to ioremap PCC comm region mem\n");
+ pr_err("Failed to ioremap PCC comm region mem for %d\n",
+ pcc_ss_idx);
return -ENOMEM;
}
@@ -973,8 +978,8 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val)
*val = readq_relaxed(vaddr);
break;
default:
- pr_debug("Error: Cannot read %u bit width from PCC\n",
- reg->bit_width);
+ pr_debug("Error: Cannot read %u bit width from PCC for ss: %d\n",
+ reg->bit_width, pcc_ss_id);
ret_val = -EFAULT;
}
@@ -1012,8 +1017,8 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
writeq_relaxed(val, vaddr);
break;
default:
- pr_debug("Error: Cannot write %u bit width to PCC\n",
- reg->bit_width);
+ pr_debug("Error: Cannot write %u bit width to PCC for ss: %d\n",
+ reg->bit_width, pcc_ss_id);
ret_val = -EFAULT;
break;
}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 85ad679390e3..d5eec352a6e1 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -173,8 +173,8 @@ static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS,
acpi_pci_link_check_possible, link);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS"));
- return -ENODEV;
+ acpi_handle_debug(link->device->handle, "_PRS not present or invalid");
+ return 0;
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7bcb66ccccf3..849c4fb19b03 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -457,7 +457,7 @@ static const char * const table_sigs[] = {
ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, ACPI_SIG_IORT,
- NULL };
+ ACPI_SIG_NFIT, ACPI_SIG_HMAT, NULL };
#define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)