[PATCH] net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()

[PATCH] net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()

[Cai Huoqing]

When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, and the error value
gets printed.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
index d046e33b8a29..66fc8be34bb7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
@@ -171,10 +171,9 @@ static int visconti_eth_clock_probe(struct platform_device *pdev,
 	int err;
 
 	dwmac->phy_ref_clk = devm_clk_get(&pdev->dev, "phy_ref_clk");
-	if (IS_ERR(dwmac->phy_ref_clk)) {
-		dev_err(&pdev->dev, "phy_ref_clk clock not found.\n");
-		return PTR_ERR(dwmac->phy_ref_clk);
-	}
+	if (IS_ERR(dwmac->phy_ref_clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dwmac->phy_ref_clk),
+				     "phy_ref_clk clock not found.\n");
 
 	err = clk_prepare_enable(dwmac->phy_ref_clk);
 	if (err < 0) {
-- 
2.25.1

RE: [PATCH] net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()

[nobuhiro1.iwamatsu]

Hi,

> -----Original Message-----
> From: Cai Huoqing [mailto:caihuoqing@baidu.com]
> Sent: Thursday, September 16, 2021 4:38 PM
> To: caihuoqing@baidu.com
> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>; Alexandre Torgue <alexandre.torgue@foss.st.com>; Jose Abreu
> <joabreu@synopsys.com>; David S. Miller <davem@davemloft.net>; Jakub Kicinski <kuba@kernel.org>; Maxime Coquelin
> <mcoquelin.stm32@gmail.com>; iwamatsu nobuhiro(岩松 信洋 □ＳＷＣ◯ＡＣＴ) <nobuhiro1.iwamatsu@toshiba.co.jp>;
> netdev@vger.kernel.org; linux-stm32@st-md-mailman.stormreply.com; linux-arm-kernel@lists.infradead.org;
> linux-kernel@vger.kernel.org
> Subject: [PATCH] net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()
> 
> When possible use dev_err_probe help to properly deal with the
> PROBE_DEFER error, the benefit is that DEFER issue will be logged
> in the devices_deferred debugfs file.
> And using dev_err_probe() can reduce code size, and the error value
> gets printed.
> 
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

Acked-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>

> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
> b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
> index d046e33b8a29..66fc8be34bb7 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c
> @@ -171,10 +171,9 @@ static int visconti_eth_clock_probe(struct platform_device *pdev,
>  	int err;
> 
>  	dwmac->phy_ref_clk = devm_clk_get(&pdev->dev, "phy_ref_clk");
> -	if (IS_ERR(dwmac->phy_ref_clk)) {
> -		dev_err(&pdev->dev, "phy_ref_clk clock not found.\n");
> -		return PTR_ERR(dwmac->phy_ref_clk);
> -	}
> +	if (IS_ERR(dwmac->phy_ref_clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(dwmac->phy_ref_clk),
> +				     "phy_ref_clk clock not found.\n");
> 
>  	err = clk_prepare_enable(dwmac->phy_ref_clk);
>  	if (err < 0) {
> --
> 2.25.1

Best regards,
  Nobuhiro

Re: [PATCH] net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Thu, 16 Sep 2021 15:37:36 +0800 you wrote:
> When possible use dev_err_probe help to properly deal with the
> PROBE_DEFER error, the benefit is that DEFER issue will be logged
> in the devices_deferred debugfs file.
> And using dev_err_probe() can reduce code size, and the error value
> gets printed.
> 
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
> 
> [...]

Here is the summary with links:
  - net: stmmac: dwmac-visconti: Make use of the helper function dev_err_probe()
    https://git.kernel.org/netdev/net-next/c/b20b54fb00a8

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html