From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: "Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Gustavo Pimentel" <gustavo.pimentel@synopsys.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Serge Semin" <fancer.lancer@gmail.com>,
"Alexey Malahov" <Alexey.Malahov@baikalelectronics.ru>,
"Pavel Parkhomenko" <Pavel.Parkhomenko@baikalelectronics.ru>,
"Frank Li" <Frank.Li@nxp.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND v5 12/18] PCI: dwc: Re-use local pointer to the resource data
Date: Tue, 28 Jun 2022 12:09:54 +0530 [thread overview]
Message-ID: <20220628063954.GE23601@thinkpad> (raw)
In-Reply-To: <20220624143428.8334-13-Sergey.Semin@baikalelectronics.ru>
On Fri, Jun 24, 2022 at 05:34:22PM +0300, Serge Semin wrote:
> The dw_pcie_host_init() method has two instances of the resource structure
> pointers used in non-related places of the method. It's pointless to have
> two different local storages for them since the corresponding code is
> small and having resource specific names doesn't make it more readable.
> Let's convert these parts of the function to using just a common pointer
> to the resource structure instance. That shall make the code a bit nicer
> looking.
>
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Thanks,
Mani
> Reviewed-by: Rob Herring <robh@kernel.org>
>
> ---
>
> Changelog v4:
> - This is a new patch created on the v4 lap of the series.
> ---
> .../pci/controller/dwc/pcie-designware-host.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index 54257874c154..2f13eec4812d 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -293,17 +293,17 @@ int dw_pcie_host_init(struct pcie_port *pp)
> struct platform_device *pdev = to_platform_device(dev);
> struct resource_entry *win;
> struct pci_host_bridge *bridge;
> - struct resource *cfg_res;
> + struct resource *res;
> int ret;
>
> raw_spin_lock_init(&pp->lock);
>
> - cfg_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "config");
> - if (cfg_res) {
> - pp->cfg0_size = resource_size(cfg_res);
> - pp->cfg0_base = cfg_res->start;
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "config");
> + if (res) {
> + pp->cfg0_size = resource_size(res);
> + pp->cfg0_base = res->start;
>
> - pp->va_cfg0_base = devm_pci_remap_cfg_resource(dev, cfg_res);
> + pp->va_cfg0_base = devm_pci_remap_cfg_resource(dev, res);
> if (IS_ERR(pp->va_cfg0_base))
> return PTR_ERR(pp->va_cfg0_base);
> } else {
> @@ -312,8 +312,8 @@ int dw_pcie_host_init(struct pcie_port *pp)
> }
>
> if (!pci->dbi_base) {
> - struct resource *dbi_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
> - pci->dbi_base = devm_pci_remap_cfg_resource(dev, dbi_res);
> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
> + pci->dbi_base = devm_pci_remap_cfg_resource(dev, res);
> if (IS_ERR(pci->dbi_base))
> return PTR_ERR(pci->dbi_base);
> }
> --
> 2.35.1
>
--
மணிவண்ணன் சதாசிவம்
next prev parent reply other threads:[~2022-06-28 6:40 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-24 14:34 [PATCH RESEND v5 00/18] PCI: dwc: Various fixes and cleanups Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 01/18] PCI: dwc: Stop link in the host init error and de-initialization Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 02/18] PCI: dwc: Add unroll iATU space support to the regions disable method Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 03/18] PCI: dwc: Disable outbound windows for controllers with iATU Serge Semin
2022-06-27 22:40 ` Bjorn Helgaas
2022-06-28 11:42 ` Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 04/18] PCI: dwc: Set INCREASE_REGION_SIZE flag based on limit address Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 05/18] PCI: dwc: Deallocate EPC memory on EP init error Serge Semin
2022-06-28 6:35 ` Manivannan Sadhasivam
2022-06-24 14:34 ` [PATCH RESEND v5 06/18] PCI: dwc: Enable CDM-check independently from the num_lanes value Serge Semin
2022-06-28 6:37 ` Manivannan Sadhasivam
2022-06-24 14:34 ` [PATCH RESEND v5 07/18] PCI: dwc: Add braces to the multi-line if-else statements Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 08/18] PCI: dwc: Add trailing new-line literals to the log messages Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 09/18] PCI: dwc: Discard IP-core version checking on unrolled iATU detection Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 10/18] PCI: dwc: Convert Link-up status method to using dw_pcie_readl_dbi() Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 11/18] PCI: dwc: Organize local variables usage Serge Semin
2022-06-28 6:38 ` Manivannan Sadhasivam
2022-06-28 23:33 ` Bjorn Helgaas
2022-06-29 2:03 ` Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 12/18] PCI: dwc: Re-use local pointer to the resource data Serge Semin
2022-06-28 6:39 ` Manivannan Sadhasivam [this message]
2022-06-24 14:34 ` [PATCH RESEND v5 13/18] PCI: dwc: Add start_link/stop_link inliners Serge Semin
2022-06-28 6:43 ` Manivannan Sadhasivam
2022-06-24 14:34 ` [PATCH RESEND v5 14/18] PCI: dwc: Move io_cfg_atu_shared to the Root Port descriptor Serge Semin
2022-06-28 6:44 ` Manivannan Sadhasivam
2022-06-24 14:34 ` [PATCH RESEND v5 15/18] PCI: dwc: Add dw_ prefix to the pcie_port structure name Serge Semin
2022-06-27 11:47 ` Jesper Nilsson
2022-06-27 12:16 ` Neil Armstrong
2022-06-28 6:46 ` Manivannan Sadhasivam
2022-06-24 14:34 ` [PATCH RESEND v5 16/18] PCI: dwc-plat: Simplify the probe method return value handling Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 17/18] PCI: dwc-plat: Discard unused regmap pointer Serge Semin
2022-06-24 14:34 ` [PATCH RESEND v5 18/18] PCI: dwc-plat: Drop dw_plat_pcie_of_match forward declaration Serge Semin
2022-06-28 6:58 ` [PATCH RESEND v5 00/18] PCI: dwc: Various fixes and cleanups Manivannan Sadhasivam
2022-06-28 11:57 ` Serge Semin
2022-06-28 23:35 ` Bjorn Helgaas
2022-06-29 1:38 ` Serge Semin
2022-07-11 18:40 ` Serge Semin
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