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* [PATCH v1 1/3] parport: Introduce module_parport_driver() helper macro
@ 2021-02-15 20:23 Andy Shevchenko
  2021-02-15 20:23 ` [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver() Andy Shevchenko
  2021-02-15 20:23 ` [PATCH v1 3/3] spi: lm70llp: " Andy Shevchenko
  0 siblings, 2 replies; 9+ messages in thread
From: Andy Shevchenko @ 2021-02-15 20:23 UTC (permalink / raw)
  To: Andy Shevchenko, Mauro Carvalho Chehab, Sudip Mukherjee,
	linux-spi, linux-kernel
  Cc: Mark Brown

Introduce module_parport_driver() helper macro to reduce boilerplate
in the existing and new code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/parport.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/linux/parport.h b/include/linux/parport.h
index f981f794c850..af9b707d9b54 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -332,9 +332,19 @@ int __must_check __parport_register_driver(struct parport_driver *,
 	__parport_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
 
 /* Unregister a high-level driver. */
-extern void parport_unregister_driver (struct parport_driver *);
 void parport_unregister_driver(struct parport_driver *);
 
+/**
+ * module_parport_driver() - Helper macro for registering a modular parport driver
+ * @__parport_driver: struct parport_driver to be used
+ *
+ * Helper macro for parport drivers which do not do anything special in module
+ * init and exit. This eliminates a lot of boilerplate. Each module may only
+ * use this macro once, and calling it replaces module_init() and module_exit().
+ */
+#define module_parport_driver(__parport_driver) \
+	module_driver(__parport_driver, parport_add_driver, parport_del_driver)
+
 /* If parport_register_driver doesn't fit your needs, perhaps
  * parport_find_xxx does. */
 extern struct parport *parport_find_number (int);
-- 
2.30.0


^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver()
  2021-02-15 20:23 [PATCH v1 1/3] parport: Introduce module_parport_driver() helper macro Andy Shevchenko
@ 2021-02-15 20:23 ` Andy Shevchenko
  2021-02-15 20:43   ` Mark Brown
  2021-02-15 22:15     ` kernel test robot
  2021-02-15 20:23 ` [PATCH v1 3/3] spi: lm70llp: " Andy Shevchenko
  1 sibling, 2 replies; 9+ messages in thread
From: Andy Shevchenko @ 2021-02-15 20:23 UTC (permalink / raw)
  To: Andy Shevchenko, Mauro Carvalho Chehab, Sudip Mukherjee,
	linux-spi, linux-kernel
  Cc: Mark Brown

Switch to use module_parport_driver() to reduce boilerplate code.
Note, device_initcall() is a default for module_init().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/spi/spi-butterfly.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/spi/spi-butterfly.c b/drivers/spi/spi-butterfly.c
index 7e71a351f3b7..cceae816cebc 100644
--- a/drivers/spi/spi-butterfly.c
+++ b/drivers/spi/spi-butterfly.c
@@ -317,18 +317,7 @@ static struct parport_driver butterfly_driver = {
 	.detach =	butterfly_detach,
 	.devmodel = true,
 };
-
-static int __init butterfly_init(void)
-{
-	return parport_register_driver(&butterfly_driver);
-}
-device_initcall(butterfly_init);
-
-static void __exit butterfly_exit(void)
-{
-	parport_unregister_driver(&butterfly_driver);
-}
-module_exit(butterfly_exit);
+module_parport_driver(butterfly_driver);
 
 MODULE_DESCRIPTION("Parport Adapter driver for AVR Butterfly");
 MODULE_LICENSE("GPL");
-- 
2.30.0


^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH v1 3/3] spi: lm70llp: Switch to use module_parport_driver()
  2021-02-15 20:23 [PATCH v1 1/3] parport: Introduce module_parport_driver() helper macro Andy Shevchenko
  2021-02-15 20:23 ` [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver() Andy Shevchenko
@ 2021-02-15 20:23 ` Andy Shevchenko
  2021-02-15 20:43   ` Mark Brown
  2021-02-16  0:03     ` kernel test robot
  1 sibling, 2 replies; 9+ messages in thread
From: Andy Shevchenko @ 2021-02-15 20:23 UTC (permalink / raw)
  To: Andy Shevchenko, Mauro Carvalho Chehab, Sudip Mukherjee,
	linux-spi, linux-kernel
  Cc: Mark Brown

Switch to use module_parport_driver() to reduce boilerplate code.
Note, device_initcall() is a default for module_init().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/spi/spi-lm70llp.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/spi/spi-lm70llp.c b/drivers/spi/spi-lm70llp.c
index 174dba29b1dd..f914b8d2043e 100644
--- a/drivers/spi/spi-lm70llp.c
+++ b/drivers/spi/spi-lm70llp.c
@@ -320,18 +320,7 @@ static struct parport_driver spi_lm70llp_drv = {
 	.detach =	spi_lm70llp_detach,
 	.devmodel =	true,
 };
-
-static int __init init_spi_lm70llp(void)
-{
-	return parport_register_driver(&spi_lm70llp_drv);
-}
-module_init(init_spi_lm70llp);
-
-static void __exit cleanup_spi_lm70llp(void)
-{
-	parport_unregister_driver(&spi_lm70llp_drv);
-}
-module_exit(cleanup_spi_lm70llp);
+module_parport_driver(spi_lm70llp_drv);
 
 MODULE_AUTHOR("Kaiwan N Billimoria <kaiwan@designergraphix.com>");
 MODULE_DESCRIPTION(
-- 
2.30.0


^ permalink raw reply related	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver()
  2021-02-15 20:23 ` [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver() Andy Shevchenko
@ 2021-02-15 20:43   ` Mark Brown
  2021-02-15 22:15     ` kernel test robot
  1 sibling, 0 replies; 9+ messages in thread
From: Mark Brown @ 2021-02-15 20:43 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: Mauro Carvalho Chehab, Sudip Mukherjee, linux-spi, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 234 bytes --]

On Mon, Feb 15, 2021 at 10:23:52PM +0200, Andy Shevchenko wrote:
> Switch to use module_parport_driver() to reduce boilerplate code.
> Note, device_initcall() is a default for module_init().

Acked-by: Mark Brown <broonie@kernel.org>

[-- Attachment #2: signature.asc --]
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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 3/3] spi: lm70llp: Switch to use module_parport_driver()
  2021-02-15 20:23 ` [PATCH v1 3/3] spi: lm70llp: " Andy Shevchenko
@ 2021-02-15 20:43   ` Mark Brown
  2021-02-16  0:03     ` kernel test robot
  1 sibling, 0 replies; 9+ messages in thread
From: Mark Brown @ 2021-02-15 20:43 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: Mauro Carvalho Chehab, Sudip Mukherjee, linux-spi, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 234 bytes --]

On Mon, Feb 15, 2021 at 10:23:53PM +0200, Andy Shevchenko wrote:
> Switch to use module_parport_driver() to reduce boilerplate code.
> Note, device_initcall() is a default for module_init().

Acked-by: Mark Brown <broonie@kernel.org>

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver()
  2021-02-15 20:23 ` [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver() Andy Shevchenko
@ 2021-02-15 22:15     ` kernel test robot
  2021-02-15 22:15     ` kernel test robot
  1 sibling, 0 replies; 9+ messages in thread
From: kernel test robot @ 2021-02-15 22:15 UTC (permalink / raw)
  To: Andy Shevchenko, Mauro Carvalho Chehab, Sudip Mukherjee,
	linux-spi, linux-kernel
  Cc: kbuild-all, clang-built-linux, linux-media, Mark Brown

[-- Attachment #1: Type: text/plain, Size: 9627 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on spi/for-next]
[also build test ERROR on linus/master v5.11 next-20210215]
[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/Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: powerpc-randconfig-r034-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/59847957f9c092e0c9530501dcaf0d0b5e3f193a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
        git checkout 59847957f9c092e0c9530501dcaf0d0b5e3f193a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   ^
   arch/powerpc/include/asm/io.h:537:62: note: expanded from macro '__do_outl'
   #define __do_outl(val, port)    writel(val,(PCI_IO_ADDR)_IO_BASE+port);
                                              ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:211:1: note: expanded from here
   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:213:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:215:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:217:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:219:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:221:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> drivers/spi/spi-butterfly.c:320:1: error: implicit declaration of function 'parport_add_driver' [-Werror,-Wimplicit-function-declaration]
   module_parport_driver(butterfly_driver);
   ^
   include/linux/parport.h:315:34: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                           ^
>> drivers/spi/spi-butterfly.c:320:1: error: implicit declaration of function 'parport_del_driver' [-Werror,-Wimplicit-function-declaration]
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   drivers/spi/spi-butterfly.c:320:1: note: did you mean 'parport_del_port'?
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   include/linux/parport.h:328:6: note: 'parport_del_port' declared here
   void parport_del_port(struct parport *);
        ^
   12 warnings and 2 errors generated.


vim +/parport_add_driver +320 drivers/spi/spi-butterfly.c

   313	
   314	static struct parport_driver butterfly_driver = {
   315		.name =		"spi_butterfly",
   316		.match_port =	butterfly_attach,
   317		.detach =	butterfly_detach,
   318		.devmodel = true,
   319	};
 > 320	module_parport_driver(butterfly_driver);
   321	

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 24171 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver()
@ 2021-02-15 22:15     ` kernel test robot
  0 siblings, 0 replies; 9+ messages in thread
From: kernel test robot @ 2021-02-15 22:15 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 9795 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on spi/for-next]
[also build test ERROR on linus/master v5.11 next-20210215]
[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/Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: powerpc-randconfig-r034-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/59847957f9c092e0c9530501dcaf0d0b5e3f193a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
        git checkout 59847957f9c092e0c9530501dcaf0d0b5e3f193a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   ^
   arch/powerpc/include/asm/io.h:537:62: note: expanded from macro '__do_outl'
   #define __do_outl(val, port)    writel(val,(PCI_IO_ADDR)_IO_BASE+port);
                                              ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:211:1: note: expanded from here
   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:213:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:215:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:217:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:219:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-butterfly.c:15:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:221:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> drivers/spi/spi-butterfly.c:320:1: error: implicit declaration of function 'parport_add_driver' [-Werror,-Wimplicit-function-declaration]
   module_parport_driver(butterfly_driver);
   ^
   include/linux/parport.h:315:34: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                           ^
>> drivers/spi/spi-butterfly.c:320:1: error: implicit declaration of function 'parport_del_driver' [-Werror,-Wimplicit-function-declaration]
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   drivers/spi/spi-butterfly.c:320:1: note: did you mean 'parport_del_port'?
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   include/linux/parport.h:328:6: note: 'parport_del_port' declared here
   void parport_del_port(struct parport *);
        ^
   12 warnings and 2 errors generated.


vim +/parport_add_driver +320 drivers/spi/spi-butterfly.c

   313	
   314	static struct parport_driver butterfly_driver = {
   315		.name =		"spi_butterfly",
   316		.match_port =	butterfly_attach,
   317		.detach =	butterfly_detach,
   318		.devmodel = true,
   319	};
 > 320	module_parport_driver(butterfly_driver);
   321	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 24171 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 3/3] spi: lm70llp: Switch to use module_parport_driver()
  2021-02-15 20:23 ` [PATCH v1 3/3] spi: lm70llp: " Andy Shevchenko
@ 2021-02-16  0:03     ` kernel test robot
  2021-02-16  0:03     ` kernel test robot
  1 sibling, 0 replies; 9+ messages in thread
From: kernel test robot @ 2021-02-16  0:03 UTC (permalink / raw)
  To: Andy Shevchenko, Mauro Carvalho Chehab, Sudip Mukherjee,
	linux-spi, linux-kernel
  Cc: kbuild-all, clang-built-linux, linux-media, Mark Brown

[-- Attachment #1: Type: text/plain, Size: 9600 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on spi/for-next]
[also build test ERROR on linus/master v5.11 next-20210215]
[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/Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: powerpc-randconfig-r034-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/b436c5f6666ea5fb47d7b1826a66d4110bb37072
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
        git checkout b436c5f6666ea5fb47d7b1826a66d4110bb37072
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   ^
   arch/powerpc/include/asm/io.h:537:62: note: expanded from macro '__do_outl'
   #define __do_outl(val, port)    writel(val,(PCI_IO_ADDR)_IO_BASE+port);
                                              ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:205:1: note: expanded from here
   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:207:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:209:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:211:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:213:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:215:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> drivers/spi/spi-lm70llp.c:323:1: error: implicit declaration of function 'parport_add_driver' [-Werror,-Wimplicit-function-declaration]
   module_parport_driver(spi_lm70llp_drv);
   ^
   include/linux/parport.h:315:34: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                           ^
>> drivers/spi/spi-lm70llp.c:323:1: error: implicit declaration of function 'parport_del_driver' [-Werror,-Wimplicit-function-declaration]
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   drivers/spi/spi-lm70llp.c:323:1: note: did you mean 'parport_del_port'?
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   include/linux/parport.h:328:6: note: 'parport_del_port' declared here
   void parport_del_port(struct parport *);
        ^
   12 warnings and 2 errors generated.


vim +/parport_add_driver +323 drivers/spi/spi-lm70llp.c

   316	
   317	static struct parport_driver spi_lm70llp_drv = {
   318		.name =		DRVNAME,
   319		.match_port =	spi_lm70llp_attach,
   320		.detach =	spi_lm70llp_detach,
   321		.devmodel =	true,
   322	};
 > 323	module_parport_driver(spi_lm70llp_drv);
   324	

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 24171 bytes --]

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH v1 3/3] spi: lm70llp: Switch to use module_parport_driver()
@ 2021-02-16  0:03     ` kernel test robot
  0 siblings, 0 replies; 9+ messages in thread
From: kernel test robot @ 2021-02-16  0:03 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 9768 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on spi/for-next]
[also build test ERROR on linus/master v5.11 next-20210215]
[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/Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: powerpc-randconfig-r034-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/b436c5f6666ea5fb47d7b1826a66d4110bb37072
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/parport-Introduce-module_parport_driver-helper-macro/20210216-042909
        git checkout b436c5f6666ea5fb47d7b1826a66d4110bb37072
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   ^
   arch/powerpc/include/asm/io.h:537:62: note: expanded from macro '__do_outl'
   #define __do_outl(val, port)    writel(val,(PCI_IO_ADDR)_IO_BASE+port);
                                              ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:205:1: note: expanded from here
   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:207:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:209:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:211:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:213:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from drivers/spi/spi-lm70llp.c:19:
   In file included from include/linux/spi/spi.h:15:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:215:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> drivers/spi/spi-lm70llp.c:323:1: error: implicit declaration of function 'parport_add_driver' [-Werror,-Wimplicit-function-declaration]
   module_parport_driver(spi_lm70llp_drv);
   ^
   include/linux/parport.h:315:34: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                           ^
>> drivers/spi/spi-lm70llp.c:323:1: error: implicit declaration of function 'parport_del_driver' [-Werror,-Wimplicit-function-declaration]
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   drivers/spi/spi-lm70llp.c:323:1: note: did you mean 'parport_del_port'?
   include/linux/parport.h:315:54: note: expanded from macro 'module_parport_driver'
           module_driver(__parport_driver, parport_add_driver, parport_del_driver)
                                                               ^
   include/linux/parport.h:328:6: note: 'parport_del_port' declared here
   void parport_del_port(struct parport *);
        ^
   12 warnings and 2 errors generated.


vim +/parport_add_driver +323 drivers/spi/spi-lm70llp.c

   316	
   317	static struct parport_driver spi_lm70llp_drv = {
   318		.name =		DRVNAME,
   319		.match_port =	spi_lm70llp_attach,
   320		.detach =	spi_lm70llp_detach,
   321		.devmodel =	true,
   322	};
 > 323	module_parport_driver(spi_lm70llp_drv);
   324	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2021-02-16  0:05 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-15 20:23 [PATCH v1 1/3] parport: Introduce module_parport_driver() helper macro Andy Shevchenko
2021-02-15 20:23 ` [PATCH v1 2/3] spi: butterfly: Switch to use module_parport_driver() Andy Shevchenko
2021-02-15 20:43   ` Mark Brown
2021-02-15 22:15   ` kernel test robot
2021-02-15 22:15     ` kernel test robot
2021-02-15 20:23 ` [PATCH v1 3/3] spi: lm70llp: " Andy Shevchenko
2021-02-15 20:43   ` Mark Brown
2021-02-16  0:03   ` kernel test robot
2021-02-16  0:03     ` kernel test robot

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