[1/8] powerpc/fsl_uli1575: Misc cleanup

Message ID 20230408132151.8902-2-pali@kernel.org
State New
Headers
Series powerpc/fsl_uli1575: Cleanups |

Commit Message

Pali Rohár April 8, 2023, 1:21 p.m. UTC
  From: Christophe Leroy <christophe.leroy@csgroup.eu>

Use a single line for uli_exclude_device().

Add uli_exclude_device() prototype in ppc-pci.h and guard it.

Remove that prototype from mpc85xx_ds.c and mpc86xx_hpcn.c files.

Make uli_pirq_to_irq[] static as it is used only in that file.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Pali Rohár <pali@kernel.org>
---
 arch/powerpc/include/asm/ppc-pci.h         | 8 ++++++++
 arch/powerpc/platforms/85xx/mpc85xx_ds.c   | 4 +---
 arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 4 +---
 arch/powerpc/platforms/fsl_uli1575.c       | 6 +++---
 4 files changed, 13 insertions(+), 9 deletions(-)
  

Comments

kernel test robot April 8, 2023, 3:24 p.m. UTC | #1
Hi Pali,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes linus/master v6.3-rc5 next-20230406]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Pali-Roh-r/powerpc-fsl_uli1575-Misc-cleanup/20230408-212610
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20230408132151.8902-2-pali%40kernel.org
patch subject: [PATCH 1/8] powerpc/fsl_uli1575: Misc cleanup
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20230408/202304082352.xhNWS4WV-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/4d3f86e2ae53d180d2cbbe556355ff5b03d4251b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Pali-Roh-r/powerpc-fsl_uli1575-Misc-cleanup/20230408-212610
        git checkout 4d3f86e2ae53d180d2cbbe556355ff5b03d4251b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304082352.xhNWS4WV-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/sys_ppc32.c:56:
   arch/powerpc/include/asm/ppc-pci.h:71:45: error: 'struct pci_controller' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
      71 | static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
         |                                             ^~~~~~~~~~~~~~
   arch/powerpc/include/asm/ppc-pci.h: In function 'uli_exclude_device':
>> arch/powerpc/include/asm/ppc-pci.h:71:102: error: 'PCIBIOS_SUCCESSFUL' undeclared (first use in this function)
      71 | static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
         |                                                                                                      ^~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/ppc-pci.h:71:102: note: each undeclared identifier is reported only once for each function it appears in
   cc1: all warnings being treated as errors


vim +/PCIBIOS_SUCCESSFUL +71 arch/powerpc/include/asm/ppc-pci.h

    69	
    70	#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575)
  > 71	static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
    72	#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */
    73
  
Pali Rohár April 8, 2023, 3:50 p.m. UTC | #2
On Saturday 08 April 2023 23:24:07 kernel test robot wrote:
> Hi Pali,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on powerpc/next]
> [also build test ERROR on powerpc/fixes linus/master v6.3-rc5 next-20230406]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Pali-Roh-r/powerpc-fsl_uli1575-Misc-cleanup/20230408-212610
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
> patch link:    https://lore.kernel.org/r/20230408132151.8902-2-pali%40kernel.org
> patch subject: [PATCH 1/8] powerpc/fsl_uli1575: Misc cleanup
> config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20230408/202304082352.xhNWS4WV-lkp@intel.com/config)
> compiler: powerpc-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/intel-lab-lkp/linux/commit/4d3f86e2ae53d180d2cbbe556355ff5b03d4251b
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Pali-Roh-r/powerpc-fsl_uli1575-Misc-cleanup/20230408-212610
>         git checkout 4d3f86e2ae53d180d2cbbe556355ff5b03d4251b
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202304082352.xhNWS4WV-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from arch/powerpc/kernel/sys_ppc32.c:56:
>    arch/powerpc/include/asm/ppc-pci.h:71:45: error: 'struct pci_controller' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>       71 | static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
>          |                                             ^~~~~~~~~~~~~~
>    arch/powerpc/include/asm/ppc-pci.h: In function 'uli_exclude_device':
> >> arch/powerpc/include/asm/ppc-pci.h:71:102: error: 'PCIBIOS_SUCCESSFUL' undeclared (first use in this function)
>       71 | static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
>          |                                                                                                      ^~~~~~~~~~~~~~~~~~
>    arch/powerpc/include/asm/ppc-pci.h:71:102: note: each undeclared identifier is reported only once for each function it appears in
>    cc1: all warnings being treated as errors
> 
> 
> vim +/PCIBIOS_SUCCESSFUL +71 arch/powerpc/include/asm/ppc-pci.h
> 
>     69	
>     70	#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575)
>   > 71	static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
>     72	#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */
>     73	
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests

Fixed in V2:
https://lore.kernel.org/linuxppc-dev/20230408154814.10400-1-pali@kernel.org/T/#t
  

Patch

diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
index f6cf0159024e..56ba9ec68fcd 100644
--- a/arch/powerpc/include/asm/ppc-pci.h
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -57,11 +57,19 @@  void eeh_sysfs_remove_device(struct pci_dev *pdev);
 
 #endif /* CONFIG_EEH */
 
+#ifdef CONFIG_FSL_ULI1575
+int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn);
+#endif /* CONFIG_FSL_ULI1575 */
+
 #define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff)
 
 #else /* CONFIG_PCI */
 static inline void init_pci_config_tokens(void) { }
 #endif /* !CONFIG_PCI */
 
+#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575)
+static inline int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { return PCIBIOS_SUCCESSFUL; }
+#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PPC_PCI_H */
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 70167b8f00a3..ed7b71d55b10 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -26,6 +26,7 @@ 
 #include <asm/mpic.h>
 #include <asm/i8259.h>
 #include <asm/swiotlb.h>
+#include <asm/ppc-pci.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
@@ -107,9 +108,6 @@  void __init mpc85xx_ds_pic_init(void)
 }
 
 #ifdef CONFIG_PCI
-extern int uli_exclude_device(struct pci_controller *hose,
-				u_char bus, u_char devfn);
-
 static struct device_node *pci_with_uli;
 
 static int mpc85xx_exclude_device(struct pci_controller *hose,
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 7b00ebd2d7f8..3dbd396a0df5 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -22,6 +22,7 @@ 
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
 #include <asm/swiotlb.h>
+#include <asm/ppc-pci.h>
 
 #include <asm/mpic.h>
 
@@ -39,9 +40,6 @@ 
 #endif
 
 #ifdef CONFIG_PCI
-extern int uli_exclude_device(struct pci_controller *hose,
-				u_char bus, u_char devfn);
-
 static int mpc86xx_exclude_device(struct pci_controller *hose,
 				   u_char bus, u_char devfn)
 {
diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c
index 84afae7a2561..a32f9cef7845 100644
--- a/arch/powerpc/platforms/fsl_uli1575.c
+++ b/arch/powerpc/platforms/fsl_uli1575.c
@@ -13,6 +13,7 @@ 
 #include <linux/of_irq.h>
 
 #include <asm/pci-bridge.h>
+#include <asm/ppc-pci.h>
 
 #define ULI_PIRQA	0x08
 #define ULI_PIRQB	0x09
@@ -36,7 +37,7 @@ 
 #define ULI_8259_IRQ14	0x0d
 #define ULI_8259_IRQ15	0x0f
 
-u8 uli_pirq_to_irq[8] = {
+static u8 uli_pirq_to_irq[8] = {
 	ULI_8259_IRQ9,		/* PIRQA */
 	ULI_8259_IRQ10,		/* PIRQB */
 	ULI_8259_IRQ11,		/* PIRQC */
@@ -341,8 +342,7 @@  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, hpcd_quirk_uli5288);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, hpcd_quirk_uli5229);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, 0x5288, hpcd_final_uli5288);
 
-int uli_exclude_device(struct pci_controller *hose,
-			u_char bus, u_char devfn)
+int uli_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn)
 {
 	if (bus == (hose->first_busno + 2)) {
 		/* exclude Modem controller */