From: Neil Armstrong <narmstrong@baylibre.com>
To: Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
Yue Wang <yue.wang@Amlogic.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Rob Herring <robh@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-pci@vger.kernel.org, linux-safety@lists.elisa.tech,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Subject: Re: [PATCH] PCI: dwc/meson: Use PTR_ERR_OR_ZERO
Date: Tue, 17 Nov 2020 09:36:06 +0100 [thread overview]
Message-ID: <b28005c3-de6d-79db-34e6-b5298b9f0224@baylibre.com> (raw)
In-Reply-To: <20201116163418.10529-1-sudipm.mukherjee@gmail.com>
On 16/11/2020 17:34, Sudip Mukherjee wrote:
> Coccinelle suggested using PTR_ERR_OR_ZERO() and looking at the code,
> we can use PTR_ERR_OR_ZERO() instead of checking IS_ERR() and then
> doing 'return 0'.
>
> Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
> ---
> drivers/pci/controller/dwc/pci-meson.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c
> index 1913dc2c8fa0..f4261f5aceb1 100644
> --- a/drivers/pci/controller/dwc/pci-meson.c
> +++ b/drivers/pci/controller/dwc/pci-meson.c
> @@ -115,10 +115,8 @@ static int meson_pcie_get_mems(struct platform_device *pdev,
> return PTR_ERR(pci->dbi_base);
>
> mp->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg");
> - if (IS_ERR(mp->cfg_base))
> - return PTR_ERR(mp->cfg_base);
>
> - return 0;
> + return PTR_ERR_OR_ZERO(mp->cfg_base);
> }
>
> static int meson_pcie_power_on(struct meson_pcie *mp)
> @@ -208,10 +206,8 @@ static int meson_pcie_probe_clocks(struct meson_pcie *mp)
> return PTR_ERR(res->general_clk);
>
> res->clk = meson_pcie_probe_clock(dev, "pclk", 0);
> - if (IS_ERR(res->clk))
> - return PTR_ERR(res->clk);
>
> - return 0;
> + return PTR_ERR_OR_ZERO(res->clk);
> }
>
> static inline u32 meson_cfg_readl(struct meson_pcie *mp, u32 reg)
>
Hi,
This has been nacked multiple times already:
https://lore.kernel.org/linux-pci/20190527140952.GB7202@ulmo/
Neil
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prev parent reply other threads:[~2020-11-17 8:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-16 16:34 [PATCH] PCI: dwc/meson: Use PTR_ERR_OR_ZERO Sudip Mukherjee
2020-11-17 8:36 ` Neil Armstrong [this message]
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