ath6kl: read reserved ram size from firmware file

A new version of firmware needs different reserved ram size so read that
from the firmware image.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 3365dc8bab3b..abb4aaf48c08 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -67,6 +67,7 @@ enum ath6kl_fw_ie_type {
         ATH6KL_FW_IE_OTP_IMAGE = 2,
         ATH6KL_FW_IE_FW_IMAGE = 3,
         ATH6KL_FW_IE_PATCH_IMAGE = 4,
+        ATH6KL_FW_IE_RESERVED_RAM_SIZE = 5,
 };
 
 struct ath6kl_fw_ie {
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 5865466e884c..e2a29b25884c 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -902,6 +902,7 @@ static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
         const char *filename;
         const u8 *data;
         int ret, ie_id;
+        __le32 *val;
 
         switch (ar->version.target_ver) {
         case AR6003_REV2_VERSION:
@@ -987,6 +988,10 @@ static int ath6kl_fetch_fw_api2(struct ath6kl *ar)
 
                         ar->fw_patch_len = ie_len;
                         break;
+                case ATH6KL_FW_IE_RESERVED_RAM_SIZE:
+                        val = (__le32 *) data;
+                        ar->hw.reserved_ram_size = le32_to_cpup(val);
+                        break;
                 default:
                         ath6kl_dbg(ATH6KL_DBG_TRC, "Unknown fw ie: %u\n",
                                    le32_to_cpup(&hdr->id));