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path: root/drivers/net/wireless/ath/ath9k/eeprom.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/eeprom.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index a794157a147d..a449588a8009 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -15,6 +15,7 @@
*/
#include "hw.h"
+#include <linux/ath9k_platform.h>
void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
{
@@ -108,26 +109,42 @@ void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
}
}
-static bool ath9k_hw_nvram_read_blob(struct ath_hw *ah, u32 off,
- u16 *data)
+static bool ath9k_hw_nvram_read_array(u16 *blob, size_t blob_size,
+ off_t offset, u16 *data)
{
- u16 *blob_data;
-
- if (off * sizeof(u16) > ah->eeprom_blob->size)
+ if (offset > blob_size)
return false;
- blob_data = (u16 *)ah->eeprom_blob->data;
- *data = blob_data[off];
+ *data = blob[offset];
return true;
}
+static bool ath9k_hw_nvram_read_pdata(struct ath9k_platform_data *pdata,
+ off_t offset, u16 *data)
+{
+ return ath9k_hw_nvram_read_array(pdata->eeprom_data,
+ ARRAY_SIZE(pdata->eeprom_data),
+ offset, data);
+}
+
+static bool ath9k_hw_nvram_read_firmware(const struct firmware *eeprom_blob,
+ off_t offset, u16 *data)
+{
+ return ath9k_hw_nvram_read_array((u16 *) eeprom_blob->data,
+ eeprom_blob->size / sizeof(u16),
+ offset, data);
+}
+
bool ath9k_hw_nvram_read(struct ath_hw *ah, u32 off, u16 *data)
{
struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_platform_data *pdata = ah->dev->platform_data;
bool ret;
if (ah->eeprom_blob)
- ret = ath9k_hw_nvram_read_blob(ah, off, data);
+ ret = ath9k_hw_nvram_read_firmware(ah->eeprom_blob, off, data);
+ else if (pdata && !pdata->use_eeprom && pdata->eeprom_data)
+ ret = ath9k_hw_nvram_read_pdata(pdata, off, data);
else
ret = common->bus_ops->eeprom_read(common, off, data);