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path: root/drivers/net/ethernet/sfc/ef10.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/ef10.c')
-rw-r--r--drivers/net/ethernet/sfc/ef10.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 2f2bda68d861..6062e99fa69b 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -6041,10 +6041,11 @@ static const struct efx_ef10_nvram_type_info efx_ef10_nvram_types[] = {
{ NVRAM_PARTITION_TYPE_EXPROM_CONFIG_PORT3, 0, 3, "sfc_exp_rom_cfg" },
{ NVRAM_PARTITION_TYPE_LICENSE, 0, 0, "sfc_license" },
{ NVRAM_PARTITION_TYPE_PHY_MIN, 0xff, 0, "sfc_phy_fw" },
- /* MUM and SUC firmware share the same partition type */
{ NVRAM_PARTITION_TYPE_MUM_FIRMWARE, 0, 0, "sfc_mumfw" },
{ NVRAM_PARTITION_TYPE_EXPANSION_UEFI, 0, 0, "sfc_uefi" },
- { NVRAM_PARTITION_TYPE_STATUS, 0, 0, "sfc_status" }
+ { NVRAM_PARTITION_TYPE_DYNCONFIG_DEFAULTS, 0, 0, "sfc_dynamic_cfg_dflt" },
+ { NVRAM_PARTITION_TYPE_ROMCONFIG_DEFAULTS, 0, 0, "sfc_exp_rom_cfg_dflt" },
+ { NVRAM_PARTITION_TYPE_STATUS, 0, 0, "sfc_status" },
};
#define EF10_NVRAM_PARTITION_COUNT ARRAY_SIZE(efx_ef10_nvram_types)
@@ -6074,8 +6075,15 @@ static int efx_ef10_mtd_probe_partition(struct efx_nic *efx,
rc = efx_mcdi_nvram_info(efx, type, &size, &erase_size, &protected);
if (rc)
return rc;
+ if (protected &&
+ (type != NVRAM_PARTITION_TYPE_DYNCONFIG_DEFAULTS &&
+ type != NVRAM_PARTITION_TYPE_ROMCONFIG_DEFAULTS))
+ /* Hide protected partitions that don't provide defaults. */
+ return -ENODEV;
+
if (protected)
- return -ENODEV; /* hide it */
+ /* Protected partitions are read only. */
+ erase_size = 0;
/* If we've already exposed a partition of this type, hide this
* duplicate. All operations on MTDs are keyed by the type anyway,