From: Liad Kaufman <liad.kaufman@xxxxxxxxx>
Some of the maximum values of the parsed external NVM file
in the B-step of the 8000 HW family were updated, so this
updates these values.
Signed-off-by: Liad Kaufman <liad.kaufman@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/nvm.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 808f78f..26ba27e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -69,7 +69,9 @@
/* Default NVM size to read */
#define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024)
-#define IWL_MAX_NVM_SECTION_SIZE 7000
+#define IWL_MAX_NVM_SECTION_SIZE 0x1b58
+#define IWL_MAX_NVM_8000A_SECTION_SIZE 0xffc
+#define IWL_MAX_NVM_8000B_SECTION_SIZE 0x1ffc
#define NVM_WRITE_OPCODE 1
#define NVM_READ_OPCODE 0
@@ -326,6 +328,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
u8 data[];
} *file_sec;
const u8 *eof, *temp;
+ int max_section_size;
#define NVM_WORD1_LEN(x) (8 * (x & 0x03FF))
#define NVM_WORD2_ID(x) (x >> 12)
@@ -334,6 +337,14 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from external NVM\n");
+ /* Maximal size depends on HW family and step */
+ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
+ max_section_size = IWL_MAX_NVM_SECTION_SIZE;
+ else if ((mvm->trans->hw_rev & 0xc) == 0) /* Family 8000 A-step */
+ max_section_size = IWL_MAX_NVM_8000A_SECTION_SIZE;
+ else /* Family 8000 B-step */
+ max_section_size = IWL_MAX_NVM_8000B_SECTION_SIZE;
+
/*
* Obtain NVM image via request_firmware. Since we already used
* request_firmware_nowait() for the firmware binary load and only
@@ -392,7 +403,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
le16_to_cpu(file_sec->word1));
}
- if (section_size > IWL_MAX_NVM_SECTION_SIZE) {
+ if (section_size > max_section_size) {
IWL_ERR(mvm, "ERROR - section too large (%d)\n",
section_size);
ret = -EINVAL;
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
