[PATCH v2 net-next 05/17] net: atlantic: simplify hw_get_fw_version() usage

[Igor Russkikh]

From: Nikita Danilov <ndani...@marvell.com>

hw_get_fw_version() never fails, so this patch simplifies its
usage by utilizing return value instead of output argument.

Signed-off-by: Nikita Danilov <ndani...@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoi...@marvell.com>
---
 drivers/net/ethernet/aquantia/atlantic/aq_hw.h            | 2 +-
 drivers/net/ethernet/aquantia/atlantic/aq_nic.c           | 6 +-----
 .../net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c  | 8 +++-----
 .../net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h  | 2 +-
 4 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h 
b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 84abce29d590..c0dada1075cf 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -259,7 +259,7 @@ struct aq_hw_ops {
 
        struct aq_stats_s *(*hw_get_hw_stats)(struct aq_hw_s *self);
 
-       int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
+       u32 (*hw_get_fw_version)(struct aq_hw_s *self);
 
        int (*hw_set_offload)(struct aq_hw_s *self,
                              struct aq_nic_cfg_s *aq_nic_cfg);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 7f4d8abab951..57102f35e9f3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -1032,11 +1032,7 @@ struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s 
*self)
 
 u32 aq_nic_get_fw_version(struct aq_nic_s *self)
 {
-       u32 fw_version = 0U;
-
-       self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
-
-       return fw_version;
+       return self->aq_hw_ops->hw_get_fw_version(self->aq_hw);
 }
 
 int aq_nic_set_loopback(struct aq_nic_s *self)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 7259bcb81e9b..bd1712ca9ef2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -70,7 +70,7 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct 
aq_fw_ops **fw_ops)
        hw_atl_utils_hw_chip_features_init(self,
                                           &self->chip_features);
 
-       hw_atl_utils_get_fw_version(self, &self->fw_ver_actual);
+       self->fw_ver_actual = hw_atl_utils_get_fw_version(self);
 
        if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X,
                                   self->fw_ver_actual) == 0) {
@@ -915,11 +915,9 @@ int hw_atl_utils_hw_get_regs(struct aq_hw_s *self,
        return 0;
 }
 
-int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version)
+u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self)
 {
-       *fw_version = aq_hw_read_reg(self, 0x18U);
-
-       return 0;
+       return aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
 }
 
 static int aq_fw1x_set_wake_magic(struct aq_hw_s *self, bool wol_enabled,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
index b15513914636..086627a96746 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
@@ -622,7 +622,7 @@ int hw_atl_utils_hw_set_power(struct aq_hw_s *self,
 
 int hw_atl_utils_hw_deinit(struct aq_hw_s *self);
 
-int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version);
+u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self);
 
 int hw_atl_utils_update_stats(struct aq_hw_s *self);
 
-- 
2.20.1