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path: root/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/pnvm.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/pnvm.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
index 56ee0ceed..1195e708c 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/pnvm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright(c) 2020-2023 Intel Corporation
+ * Copyright(c) 2020-2024 Intel Corporation
*/
#include "iwl-drv.h"
@@ -12,6 +12,8 @@
#include "fw/api/alive.h"
#include "fw/uefi.h"
+#define IWL_PNVM_REDUCED_CAP_BIT BIT(25)
+
struct iwl_pnvm_section {
__le32 offset;
const u8 data[];
@@ -173,6 +175,7 @@ static int iwl_pnvm_parse(struct iwl_trans *trans, const u8 *data,
while (len >= sizeof(*tlv)) {
u32 tlv_len, tlv_type;
+ u32 rf_type;
len -= sizeof(*tlv);
tlv = (const void *)data;
@@ -201,6 +204,16 @@ static int iwl_pnvm_parse(struct iwl_trans *trans, const u8 *data,
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
len -= ALIGN(tlv_len, 4);
+ trans->reduced_cap_sku = false;
+ rf_type = CSR_HW_RFID_TYPE(trans->hw_rf_id);
+ if ((trans->sku_id[0] & IWL_PNVM_REDUCED_CAP_BIT) &&
+ rf_type == IWL_CFG_RF_TYPE_FM)
+ trans->reduced_cap_sku = true;
+
+ IWL_DEBUG_FW(trans,
+ "Reduced SKU device %d\n",
+ trans->reduced_cap_sku);
+
if (trans->sku_id[0] == le32_to_cpu(sku_id->data[0]) &&
trans->sku_id[1] == le32_to_cpu(sku_id->data[1]) &&
trans->sku_id[2] == le32_to_cpu(sku_id->data[2])) {
@@ -239,7 +252,7 @@ static int iwl_pnvm_get_from_fs(struct iwl_trans *trans, u8 **data, size_t *len)
}
new_len = pnvm->size;
- *data = kmemdup(pnvm->data, pnvm->size, GFP_KERNEL);
+ *data = kvmemdup(pnvm->data, pnvm->size, GFP_KERNEL);
release_firmware(pnvm);
if (!*data)
@@ -262,8 +275,8 @@ static u8 *iwl_get_pnvm_image(struct iwl_trans *trans_p, size_t *len)
if (*len >= sizeof(*package)) {
/* we need only the data */
*len -= sizeof(*package);
- image = kmemdup(package->data,
- *len, GFP_KERNEL);
+ image = kvmemdup(package->data,
+ *len, GFP_KERNEL);
}
/*
* free package regardless of whether kmemdup
@@ -320,7 +333,7 @@ static void iwl_pnvm_load_pnvm_to_trans(struct iwl_trans *trans,
set:
iwl_trans_set_pnvm(trans, capa);
free:
- kfree(data);
+ kvfree(data);
kfree(pnvm_data);
}