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[2/2] net: stmmac: dwc-qos: Make struct dwc_eth_dwmac_data::remove return void

Message ID 20230211112431.214252-2-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 1a940b00013a468c0c9dd79dbb485c3ad273939e
Delegated to: Netdev Maintainers
Headers show
Series [1/2] net: stmmac: Make stmmac_dvr_remove() return void | expand

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netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 5 maintainers not CCed: mcoquelin.stm32@gmail.com pabeni@redhat.com kuba@kernel.org edumazet@google.com davem@davemloft.net
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 61 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Uwe Kleine-König Feb. 11, 2023, 11:24 a.m. UTC 
All implementations of the remove callback return 0 unconditionally. So
in dwc_eth_dwmac_remove() there is no error handling necessary. Simplify
accordingly.

This is a preparation for making struct platform_driver::remove return
void, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 .../ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
index 87a2c1a18638..18acf7dd74e5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c
@@ -159,15 +159,13 @@  static int dwc_qos_probe(struct platform_device *pdev,
 	return err;
 }
 
-static int dwc_qos_remove(struct platform_device *pdev)
+static void dwc_qos_remove(struct platform_device *pdev)
 {
 	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct stmmac_priv *priv = netdev_priv(ndev);
 
 	clk_disable_unprepare(priv->plat->pclk);
 	clk_disable_unprepare(priv->plat->stmmac_clk);
-
-	return 0;
 }
 
 #define SDMEMCOMPPADCTRL 0x8800
@@ -384,7 +382,7 @@  static int tegra_eqos_probe(struct platform_device *pdev,
 	return err;
 }
 
-static int tegra_eqos_remove(struct platform_device *pdev)
+static void tegra_eqos_remove(struct platform_device *pdev)
 {
 	struct tegra_eqos *eqos = get_stmmac_bsp_priv(&pdev->dev);
 
@@ -394,15 +392,13 @@  static int tegra_eqos_remove(struct platform_device *pdev)
 	clk_disable_unprepare(eqos->clk_rx);
 	clk_disable_unprepare(eqos->clk_slave);
 	clk_disable_unprepare(eqos->clk_master);
-
-	return 0;
 }
 
 struct dwc_eth_dwmac_data {
 	int (*probe)(struct platform_device *pdev,
 		     struct plat_stmmacenet_data *data,
 		     struct stmmac_resources *res);
-	int (*remove)(struct platform_device *pdev);
+	void (*remove)(struct platform_device *pdev);
 };
 
 static const struct dwc_eth_dwmac_data dwc_qos_data = {
@@ -473,19 +469,16 @@  static int dwc_eth_dwmac_remove(struct platform_device *pdev)
 	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct stmmac_priv *priv = netdev_priv(ndev);
 	const struct dwc_eth_dwmac_data *data;
-	int err;
 
 	data = device_get_match_data(&pdev->dev);
 
 	stmmac_dvr_remove(&pdev->dev);
 
-	err = data->remove(pdev);
-	if (err < 0)
-		dev_err(&pdev->dev, "failed to remove subdriver: %d\n", err);
+	data->remove(pdev);
 
 	stmmac_remove_config_dt(pdev, priv->plat);
 
-	return err;
+	return 0;
 }
 
 static const struct of_device_id dwc_eth_dwmac_match[] = {