[F] [PATCH 1/3] net: atlantic: simplify hw_get_fw_version() usage

[Kai-Heng Feng]

From: Nikita Danilov <ndanilov at marvell.com>

BugLink: https://bugs.launchpad.net/bugs/1886908

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 <ndanilov at marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov at marvell.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(backported from commit 36e90a5297ea02c67c0f17d8b39eb9ceb93dd6f0)
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.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   | 7 +++----
 .../net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h   | 2 +-
 4 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 53d7478689a0..0a3dcf1482b2 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -230,7 +230,7 @@ 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 12949f1ec1ea..d7036625c48d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -926,11 +926,7 @@ 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_stop(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 873f9865f0d1..b63521bf9d8d 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
@@ -69,7 +69,7 @@ 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) {
@@ -850,10 +850,9 @@ 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_wol(struct aq_hw_s *self, bool wol_enabled, u8 *mac)
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 692bed70e104..7cf45835afa6 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
@@ -466,7 +466,7 @@ 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);
 
-- 
2.17.1