RE: [PATCH] PCI: Designware: remove wrong RC memory base/limit configuration

From: Gabriele Paoloni
Date: Sat Apr 16 2016 - 07:06:03 EST


> -----Original Message-----
> From: kbuild test robot [mailto:lkp@xxxxxxxxx]
> Sent: 15 April 2016 17:24
> To: Gabriele Paoloni
> Cc: kbuild-all@xxxxxx; pratyush.anand@xxxxxxxxx; jingoohan1@xxxxxxxxx;
> Gabriele Paoloni; Linuxarm; linux-pci@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; helgaas@xxxxxxxxxx
> Subject: Re: [PATCH] PCI: Designware: remove wrong RC memory base/limit
> configuration
>
> Hi gabriele,
>
> [auto build test WARNING on pci/next]
> [also build test WARNING on v4.6-rc3 next-20160415]
> [if your patch is applied to the wrong git tree, please drop us a note
> to help improving the system]
>
> url: https://github.com/0day-ci/linux/commits/Gabriele-Paoloni/PCI-
> Designware-remove-wrong-RC-memory-base-limit-configuration/20160416-
> 000746
> base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
> next
> config: x86_64-randconfig-x011-201615 (attached as .config)
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All warnings (new ones prefixed by >>):
>
> drivers/pci/host/pcie-designware.c: In function 'dw_pcie_setup_rc':
> >> drivers/pci/host/pcie-designware.c:732:6: warning: unused variable
> 'memlimit' [-Wunused-variable]
> u32 memlimit;
> ^
> >> drivers/pci/host/pcie-designware.c:731:6: warning: unused variable
> 'membase' [-Wunused-variable]
> u32 membase;
> ^

Just sent v2 to fix this

Gab

>
> vim +/memlimit +732 drivers/pci/host/pcie-designware.c
>
> 4b1ced84 Jingoo Han 2013-07-31 725 .write = dw_pcie_wr_conf,
> 340cba60 Jingoo Han 2013-06-21 726 };
> 340cba60 Jingoo Han 2013-06-21 727
> 4b1ced84 Jingoo Han 2013-07-31 728 void dw_pcie_setup_rc(struct
> pcie_port *pp)
> 340cba60 Jingoo Han 2013-06-21 729 {
> 340cba60 Jingoo Han 2013-06-21 730 u32 val;
> 340cba60 Jingoo Han 2013-06-21 @731 u32 membase;
> 340cba60 Jingoo Han 2013-06-21 @732 u32 memlimit;
> 340cba60 Jingoo Han 2013-06-21 733
> 66c5c34b Mohit Kumar 2014-04-14 734 /* set the number of lanes */
> f7b7868c Seungwon Jeon 2013-08-28 735 dw_pcie_readl_rc(pp,
> PCIE_PORT_LINK_CONTROL, &val);
>
> :::::: The code at line 732 was first introduced by commit
> :::::: 340cba6092c2c1688629d327b74e7eb746a571a7 pci: Add PCIe driver
> for Samsung Exynos
>
> :::::: TO: Jingoo Han <jg1.han@xxxxxxxxxxx>
> :::::: CC: Arnd Bergmann <arnd@xxxxxxxx>
>
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