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-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c30
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.h13
2 files changed, 28 insertions, 15 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index dff792653a24..f20f0150f407 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -414,16 +414,25 @@ static int iwl_sar_set_profile(union acpi_object *table,
struct iwl_sar_profile *profile,
bool enabled)
{
- int i;
+ int i, j, idx = 0;
profile->enabled = enabled;
- for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) {
- if (table[i].type != ACPI_TYPE_INTEGER ||
- table[i].integer.value > U8_MAX)
- return -EINVAL;
+ /*
+ * The table from ACPI is flat, but we store it in a
+ * structured array.
+ */
+ for (i = 0; i < ACPI_SAR_NUM_CHAINS; i++) {
+ for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) {
+ if (table[idx].type != ACPI_TYPE_INTEGER ||
+ table[idx].integer.value > U8_MAX)
+ return -EINVAL;
+
+ profile->chains[i].subbands[j] =
+ table[idx].integer.value;
- profile->table[i] = table[i].integer.value;
+ idx++;
+ }
}
return 0;
@@ -434,7 +443,7 @@ static int iwl_sar_fill_table(struct iwl_fw_runtime *fwrt,
int prof_a, int prof_b)
{
int profs[ACPI_SAR_NUM_CHAINS] = { prof_a, prof_b };
- int i, j, idx;
+ int i, j;
for (i = 0; i < ACPI_SAR_NUM_CHAINS; i++) {
struct iwl_sar_profile *prof;
@@ -467,11 +476,10 @@ static int iwl_sar_fill_table(struct iwl_fw_runtime *fwrt,
i, profs[i]);
IWL_DEBUG_RADIO(fwrt, " Chain[%d]:\n", i);
for (j = 0; j < n_subbands; j++) {
- idx = i * ACPI_SAR_NUM_SUB_BANDS + j;
per_chain[i * n_subbands + j] =
- cpu_to_le16(prof->table[idx]);
+ cpu_to_le16(prof->chains[i].subbands[j]);
IWL_DEBUG_RADIO(fwrt, " Band[%d] = %d * .125dBm\n",
- j, prof->table[idx]);
+ j, prof->chains[i].subbands[j]);
}
}
@@ -595,7 +603,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
break;
/* go to the next table */
- pos += ACPI_SAR_TABLE_SIZE;
+ pos += ACPI_SAR_NUM_CHAINS * ACPI_SAR_NUM_SUB_BANDS;
}
out_free:
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
index 24e94430e5d9..cd26a155baf7 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
@@ -26,7 +26,6 @@
#define ACPI_WIFI_DOMAIN (0x07)
-#define ACPI_SAR_TABLE_SIZE 10
#define ACPI_SAR_PROFILE_NUM 4
#define ACPI_GEO_TABLE_SIZE 6
@@ -37,9 +36,11 @@
#define ACPI_SAR_NUM_SUB_BANDS 5
#define ACPI_SAR_NUM_TABLES 1
-#define ACPI_WRDS_WIFI_DATA_SIZE (ACPI_SAR_TABLE_SIZE + 2)
+#define ACPI_WRDS_WIFI_DATA_SIZE (ACPI_SAR_NUM_CHAINS * \
+ ACPI_SAR_NUM_SUB_BANDS + 2)
#define ACPI_EWRD_WIFI_DATA_SIZE ((ACPI_SAR_PROFILE_NUM - 1) * \
- ACPI_SAR_TABLE_SIZE + 3)
+ ACPI_SAR_NUM_CHAINS * \
+ ACPI_SAR_NUM_SUB_BANDS + 3)
#define ACPI_WGDS_WIFI_DATA_SIZE 19
#define ACPI_WRDD_WIFI_DATA_SIZE 2
#define ACPI_SPLC_WIFI_DATA_SIZE 2
@@ -64,9 +65,13 @@
#define ACPI_PPAG_MIN_HB -16
#define ACPI_PPAG_MAX_HB 40
+struct iwl_sar_profile_chain {
+ u8 subbands[ACPI_SAR_NUM_SUB_BANDS];
+};
+
struct iwl_sar_profile {
bool enabled;
- u8 table[ACPI_SAR_TABLE_SIZE];
+ struct iwl_sar_profile_chain chains[ACPI_SAR_NUM_CHAINS];
};
struct iwl_geo_profile {