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path: root/drivers/net/phy/aquantia/aquantia_firmware.c
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Diffstat (limited to 'drivers/net/phy/aquantia/aquantia_firmware.c')
-rw-r--r--drivers/net/phy/aquantia/aquantia_firmware.c47
1 files changed, 29 insertions, 18 deletions
diff --git a/drivers/net/phy/aquantia/aquantia_firmware.c b/drivers/net/phy/aquantia/aquantia_firmware.c
index 0c9640ef153b..bbbcc9736b00 100644
--- a/drivers/net/phy/aquantia/aquantia_firmware.c
+++ b/drivers/net/phy/aquantia/aquantia_firmware.c
@@ -6,7 +6,7 @@
#include <linux/crc-itu-t.h>
#include <linux/nvmem-consumer.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "aquantia.h"
@@ -328,10 +328,11 @@ static int aqr_firmware_load_fs(struct phy_device *phydev)
const char *fw_name;
int ret;
- ret = of_property_read_string(dev->of_node, "firmware-name",
- &fw_name);
- if (ret)
+ ret = device_property_read_string(dev, "firmware-name", &fw_name);
+ if (ret) {
+ phydev_err(phydev, "failed to read firmware-name: %d\n", ret);
return ret;
+ }
ret = request_firmware(&fw, fw_name, dev);
if (ret) {
@@ -353,22 +354,32 @@ int aqr_firmware_load(struct phy_device *phydev)
{
int ret;
- /* Check if the firmware is not already loaded by pooling
- * the current version returned by the PHY. If 0 is returned,
- * no firmware is loaded.
+ /* Check if the firmware is not already loaded by polling
+ * the current version returned by the PHY.
*/
- ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_FW_ID);
- if (ret > 0)
- goto exit;
-
- ret = aqr_firmware_load_nvmem(phydev);
- if (!ret)
- goto exit;
-
- ret = aqr_firmware_load_fs(phydev);
- if (ret)
+ ret = aqr_wait_reset_complete(phydev);
+ switch (ret) {
+ case 0:
+ /* Some firmware is loaded => do nothing */
+ return 0;
+ case -ETIMEDOUT:
+ /* VEND1_GLOBAL_FW_ID still reads 0 after 2 seconds of polling.
+ * We don't have full confidence that no firmware is loaded (in
+ * theory it might just not have loaded yet), but we will
+ * assume that, and load a new image.
+ */
+ ret = aqr_firmware_load_nvmem(phydev);
+ if (!ret)
+ return ret;
+
+ ret = aqr_firmware_load_fs(phydev);
+ if (ret)
+ return ret;
+ break;
+ default:
+ /* PHY read error, propagate it to the caller */
return ret;
+ }
-exit:
return 0;
}