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[v3] ptp: mark symbols static where possible

Message ID 20200918100943.1740-1-hankinsea@gmail.com
State Changes Requested
Delegated to: David Miller
Headers show
Series [v3] ptp: mark symbols static where possible | expand

Commit Message

Herrington Sept. 18, 2020, 10:09 a.m. UTC
We get 1 warning when building kernel with W=1:
drivers/ptp/ptp_pch.c:182:5: warning: no previous prototype for ‘pch_ch_control_read’ [-Wmissing-prototypes]
 u32 pch_ch_control_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:193:6: warning: no previous prototype for ‘pch_ch_control_write’ [-Wmissing-prototypes]
 void pch_ch_control_write(struct pci_dev *pdev, u32 val)
drivers/ptp/ptp_pch.c:201:5: warning: no previous prototype for ‘pch_ch_event_read’ [-Wmissing-prototypes]
 u32 pch_ch_event_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:212:6: warning: no previous prototype for ‘pch_ch_event_write’ [-Wmissing-prototypes]
 void pch_ch_event_write(struct pci_dev *pdev, u32 val)
drivers/ptp/ptp_pch.c:220:5: warning: no previous prototype for ‘pch_src_uuid_lo_read’ [-Wmissing-prototypes]
 u32 pch_src_uuid_lo_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:231:5: warning: no previous prototype for ‘pch_src_uuid_hi_read’ [-Wmissing-prototypes]
 u32 pch_src_uuid_hi_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:242:5: warning: no previous prototype for ‘pch_rx_snap_read’ [-Wmissing-prototypes]
 u64 pch_rx_snap_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:259:5: warning: no previous prototype for ‘pch_tx_snap_read’ [-Wmissing-prototypes]
 u64 pch_tx_snap_read(struct pci_dev *pdev)
drivers/ptp/ptp_pch.c:300:5: warning: no previous prototype for ‘pch_set_station_address’ [-Wmissing-prototypes]
 int pch_set_station_address(u8 *addr, struct pci_dev *pdev)

Signed-off-by: Herrington <hankinsea@gmail.com>
---
 drivers/ptp/ptp_pch.c            | 11 -----------
 include/linux/ptp_clock_kernel.h |  9 +++++++++
 2 files changed, 9 insertions(+), 11 deletions(-)

Comments

Richard Cochran Sept. 18, 2020, 2:34 p.m. UTC | #1
On Fri, Sep 18, 2020 at 06:09:43PM +0800, Herrington wrote:
> diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
> index d3e8ba5c7125..5db4b8891b22 100644
> --- a/include/linux/ptp_clock_kernel.h
> +++ b/include/linux/ptp_clock_kernel.h
> @@ -307,4 +307,13 @@ static inline void ptp_read_system_postts(struct ptp_system_timestamp *sts)
>  		ktime_get_real_ts64(&sts->post_ts);
>  }
>  
> +void pch_ch_control_write(struct pci_dev *pdev, u32 val);
> +u32 pch_ch_event_read(struct pci_dev *pdev);
> +void pch_ch_event_write(struct pci_dev *pdev, u32 val);
> +u32 pch_src_uuid_lo_read(struct pci_dev *pdev);
> +u32 pch_src_uuid_hi_read(struct pci_dev *pdev);
> +u64 pch_rx_snap_read(struct pci_dev *pdev);
> +u64 pch_tx_snap_read(struct pci_dev *pdev);
> +int pch_set_station_address(u8 *addr, struct pci_dev *pdev);

NAK.  Please see Jacob's comment on the origin patch.

Thanks,
Richard
kernel test robot Sept. 18, 2020, 3:21 p.m. UTC | #2
Hi Herrington,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.9-rc5 next-20200918]
[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]

url:    https://github.com/0day-ci/linux/commits/Herrington/ptp-mark-symbols-static-where-possible/20200918-181139
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 10b82d5176488acee2820e5a2cf0f2ec5c3488b6
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/aquantia/atlantic/aq_ptp.c:12:
>> include/linux/ptp_clock_kernel.h:310:34: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     310 | void pch_ch_control_write(struct pci_dev *pdev, u32 val);
         |                                  ^~~~~~~
   include/linux/ptp_clock_kernel.h:311:30: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     311 | u32 pch_ch_event_read(struct pci_dev *pdev);
         |                              ^~~~~~~
   include/linux/ptp_clock_kernel.h:312:32: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     312 | void pch_ch_event_write(struct pci_dev *pdev, u32 val);
         |                                ^~~~~~~
   include/linux/ptp_clock_kernel.h:313:33: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     313 | u32 pch_src_uuid_lo_read(struct pci_dev *pdev);
         |                                 ^~~~~~~
   include/linux/ptp_clock_kernel.h:314:33: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     314 | u32 pch_src_uuid_hi_read(struct pci_dev *pdev);
         |                                 ^~~~~~~
   include/linux/ptp_clock_kernel.h:315:29: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     315 | u64 pch_rx_snap_read(struct pci_dev *pdev);
         |                             ^~~~~~~
   include/linux/ptp_clock_kernel.h:316:29: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     316 | u64 pch_tx_snap_read(struct pci_dev *pdev);
         |                             ^~~~~~~
   include/linux/ptp_clock_kernel.h:317:46: warning: 'struct pci_dev' declared inside parameter list will not be visible outside of this definition or declaration
     317 | int pch_set_station_address(u8 *addr, struct pci_dev *pdev);
         |                                              ^~~~~~~

# https://github.com/0day-ci/linux/commit/d5fd7587ec0ce30118654a4b5c38a41a19ea5920
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Herrington/ptp-mark-symbols-static-where-possible/20200918-181139
git checkout d5fd7587ec0ce30118654a4b5c38a41a19ea5920
vim +310 include/linux/ptp_clock_kernel.h

   309	
 > 310	void pch_ch_control_write(struct pci_dev *pdev, u32 val);
   311	u32 pch_ch_event_read(struct pci_dev *pdev);
   312	void pch_ch_event_write(struct pci_dev *pdev, u32 val);
   313	u32 pch_src_uuid_lo_read(struct pci_dev *pdev);
   314	u32 pch_src_uuid_hi_read(struct pci_dev *pdev);
   315	u64 pch_rx_snap_read(struct pci_dev *pdev);
   316	u64 pch_tx_snap_read(struct pci_dev *pdev);
   317	int pch_set_station_address(u8 *addr, struct pci_dev *pdev);
   318	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff mbox series

Patch

diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
index ce10ecd41ba0..f7ff7230623e 100644
--- a/drivers/ptp/ptp_pch.c
+++ b/drivers/ptp/ptp_pch.c
@@ -179,17 +179,6 @@  static inline void pch_block_reset(struct pch_dev *chip)
 	iowrite32(val, (&chip->regs->control));
 }
 
-u32 pch_ch_control_read(struct pci_dev *pdev)
-{
-	struct pch_dev *chip = pci_get_drvdata(pdev);
-	u32 val;
-
-	val = ioread32(&chip->regs->ch_control);
-
-	return val;
-}
-EXPORT_SYMBOL(pch_ch_control_read);
-
 void pch_ch_control_write(struct pci_dev *pdev, u32 val)
 {
 	struct pch_dev *chip = pci_get_drvdata(pdev);
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index d3e8ba5c7125..5db4b8891b22 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -307,4 +307,13 @@  static inline void ptp_read_system_postts(struct ptp_system_timestamp *sts)
 		ktime_get_real_ts64(&sts->post_ts);
 }
 
+void pch_ch_control_write(struct pci_dev *pdev, u32 val);
+u32 pch_ch_event_read(struct pci_dev *pdev);
+void pch_ch_event_write(struct pci_dev *pdev, u32 val);
+u32 pch_src_uuid_lo_read(struct pci_dev *pdev);
+u32 pch_src_uuid_hi_read(struct pci_dev *pdev);
+u64 pch_rx_snap_read(struct pci_dev *pdev);
+u64 pch_tx_snap_read(struct pci_dev *pdev);
+int pch_set_station_address(u8 *addr, struct pci_dev *pdev);
+
 #endif