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path: root/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/nvm.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c93
1 files changed, 1 insertions, 92 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index 7a686f67f007..eade099b6dbf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -66,7 +66,6 @@
*****************************************************************************/
#include <linux/firmware.h>
#include <linux/rtnetlink.h>
-#include <linux/acpi.h>
#include "iwl-trans.h"
#include "iwl-csr.h"
#include "mvm.h"
@@ -751,96 +750,6 @@ exit:
return resp_cp;
}
-#ifdef CONFIG_ACPI
-#define WRD_METHOD "WRDD"
-#define WRDD_WIFI (0x07)
-#define WRDD_WIGIG (0x10)
-
-static u32 iwl_mvm_wrdd_get_mcc(struct iwl_mvm *mvm, union acpi_object *wrdd)
-{
- union acpi_object *mcc_pkg, *domain_type, *mcc_value;
- u32 i;
-
- if (wrdd->type != ACPI_TYPE_PACKAGE ||
- wrdd->package.count < 2 ||
- wrdd->package.elements[0].type != ACPI_TYPE_INTEGER ||
- wrdd->package.elements[0].integer.value != 0) {
- IWL_DEBUG_LAR(mvm, "Unsupported wrdd structure\n");
- return 0;
- }
-
- for (i = 1 ; i < wrdd->package.count ; ++i) {
- mcc_pkg = &wrdd->package.elements[i];
-
- if (mcc_pkg->type != ACPI_TYPE_PACKAGE ||
- mcc_pkg->package.count < 2 ||
- mcc_pkg->package.elements[0].type != ACPI_TYPE_INTEGER ||
- mcc_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) {
- mcc_pkg = NULL;
- continue;
- }
-
- domain_type = &mcc_pkg->package.elements[0];
- if (domain_type->integer.value == WRDD_WIFI)
- break;
-
- mcc_pkg = NULL;
- }
-
- if (mcc_pkg) {
- mcc_value = &mcc_pkg->package.elements[1];
- return mcc_value->integer.value;
- }
-
- return 0;
-}
-
-static int iwl_mvm_get_bios_mcc(struct iwl_mvm *mvm, char *mcc)
-{
- acpi_handle root_handle;
- acpi_handle handle;
- struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL};
- acpi_status status;
- u32 mcc_val;
-
- root_handle = ACPI_HANDLE(mvm->dev);
- if (!root_handle) {
- IWL_DEBUG_LAR(mvm,
- "Could not retrieve root port ACPI handle\n");
- return -ENOENT;
- }
-
- /* Get the method's handle */
- status = acpi_get_handle(root_handle, (acpi_string)WRD_METHOD, &handle);
- if (ACPI_FAILURE(status)) {
- IWL_DEBUG_LAR(mvm, "WRD method not found\n");
- return -ENOENT;
- }
-
- /* Call WRDD with no arguments */
- status = acpi_evaluate_object(handle, NULL, NULL, &wrdd);
- if (ACPI_FAILURE(status)) {
- IWL_DEBUG_LAR(mvm, "WRDC invocation failed (0x%x)\n", status);
- return -ENOENT;
- }
-
- mcc_val = iwl_mvm_wrdd_get_mcc(mvm, wrdd.pointer);
- kfree(wrdd.pointer);
- if (!mcc_val)
- return -ENOENT;
-
- mcc[0] = (mcc_val >> 8) & 0xff;
- mcc[1] = mcc_val & 0xff;
- mcc[2] = '\0';
- return 0;
-}
-#else /* CONFIG_ACPI */
-static int iwl_mvm_get_bios_mcc(struct iwl_mvm *mvm, char *mcc)
-{
- return -ENOENT;
-}
-#endif
-
int iwl_mvm_init_mcc(struct iwl_mvm *mvm)
{
bool tlv_lar;
@@ -884,7 +793,7 @@ int iwl_mvm_init_mcc(struct iwl_mvm *mvm)
return -EIO;
if (iwl_mvm_is_wifi_mcc_supported(mvm) &&
- !iwl_mvm_get_bios_mcc(mvm, mcc)) {
+ !iwl_get_bios_mcc(mvm->dev, mcc)) {
kfree(regd);
regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc,
MCC_SOURCE_BIOS, NULL);
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