From: Jisheng Zhang <Jisheng.Zhang@synaptics.com> To: Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandre Torgue <alexandre.torgue@st.com>, Jose Abreu <joabreu@synopsys.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de> Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 net-next] net: stmmac: platform: use optional clk/reset get APIs Date: Thu, 12 Nov 2020 09:27:37 +0800 [thread overview] Message-ID: <20201112092606.5173aa6f@xhacker.debian> (raw) Use the devm_reset_control_get_optional() and devm_clk_get_optional() rather than open coding them. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> --- Since v1: - keep wrapped as suggested by Jakub .../ethernet/stmicro/stmmac/stmmac_platform.c | 22 ++++++++----------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index af34a4cadbb0..6dc9f10414e4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -399,6 +399,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) struct device_node *np = pdev->dev.of_node; struct plat_stmmacenet_data *plat; struct stmmac_dma_cfg *dma_cfg; + void *ret; int rc; plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); @@ -576,12 +577,10 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) clk_prepare_enable(plat->stmmac_clk); } - plat->pclk = devm_clk_get(&pdev->dev, "pclk"); + plat->pclk = devm_clk_get_optional(&pdev->dev, "pclk"); if (IS_ERR(plat->pclk)) { - if (PTR_ERR(plat->pclk) == -EPROBE_DEFER) - goto error_pclk_get; - - plat->pclk = NULL; + ret = plat->pclk; + goto error_pclk_get; } clk_prepare_enable(plat->pclk); @@ -596,14 +595,11 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) dev_dbg(&pdev->dev, "PTP rate %d\n", plat->clk_ptp_rate); } - plat->stmmac_rst = devm_reset_control_get(&pdev->dev, - STMMAC_RESOURCE_NAME); + plat->stmmac_rst = devm_reset_control_get_optional(&pdev->dev, + STMMAC_RESOURCE_NAME); if (IS_ERR(plat->stmmac_rst)) { - if (PTR_ERR(plat->stmmac_rst) == -EPROBE_DEFER) - goto error_hw_init; - - dev_info(&pdev->dev, "no reset control found\n"); - plat->stmmac_rst = NULL; + ret = plat->stmmac_rst; + goto error_hw_init; } return plat; @@ -613,7 +609,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) error_pclk_get: clk_disable_unprepare(plat->stmmac_clk); - return ERR_PTR(-EPROBE_DEFER); + return ret; } /** -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Jisheng Zhang <Jisheng.Zhang@synaptics.com> To: Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandre Torgue <alexandre.torgue@st.com>, Jose Abreu <joabreu@synopsys.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de> Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 net-next] net: stmmac: platform: use optional clk/reset get APIs Date: Thu, 12 Nov 2020 09:27:37 +0800 [thread overview] Message-ID: <20201112092606.5173aa6f@xhacker.debian> (raw) Use the devm_reset_control_get_optional() and devm_clk_get_optional() rather than open coding them. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> --- Since v1: - keep wrapped as suggested by Jakub .../ethernet/stmicro/stmmac/stmmac_platform.c | 22 ++++++++----------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index af34a4cadbb0..6dc9f10414e4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -399,6 +399,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) struct device_node *np = pdev->dev.of_node; struct plat_stmmacenet_data *plat; struct stmmac_dma_cfg *dma_cfg; + void *ret; int rc; plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); @@ -576,12 +577,10 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) clk_prepare_enable(plat->stmmac_clk); } - plat->pclk = devm_clk_get(&pdev->dev, "pclk"); + plat->pclk = devm_clk_get_optional(&pdev->dev, "pclk"); if (IS_ERR(plat->pclk)) { - if (PTR_ERR(plat->pclk) == -EPROBE_DEFER) - goto error_pclk_get; - - plat->pclk = NULL; + ret = plat->pclk; + goto error_pclk_get; } clk_prepare_enable(plat->pclk); @@ -596,14 +595,11 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) dev_dbg(&pdev->dev, "PTP rate %d\n", plat->clk_ptp_rate); } - plat->stmmac_rst = devm_reset_control_get(&pdev->dev, - STMMAC_RESOURCE_NAME); + plat->stmmac_rst = devm_reset_control_get_optional(&pdev->dev, + STMMAC_RESOURCE_NAME); if (IS_ERR(plat->stmmac_rst)) { - if (PTR_ERR(plat->stmmac_rst) == -EPROBE_DEFER) - goto error_hw_init; - - dev_info(&pdev->dev, "no reset control found\n"); - plat->stmmac_rst = NULL; + ret = plat->stmmac_rst; + goto error_hw_init; } return plat; @@ -613,7 +609,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) error_pclk_get: clk_disable_unprepare(plat->stmmac_clk); - return ERR_PTR(-EPROBE_DEFER); + return ret; } /** -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-11-12 1:42 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-12 1:27 Jisheng Zhang [this message] 2020-11-12 1:27 ` [PATCH v2 net-next] net: stmmac: platform: use optional clk/reset get APIs Jisheng Zhang 2020-11-14 0:40 ` patchwork-bot+netdevbpf 2020-11-14 0:40 ` patchwork-bot+netdevbpf
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