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Message-ID: <201906251809.ZKXZmaJq%lkp@intel.com>
Date:   Tue, 25 Jun 2019 18:03:04 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Marek Vasut <marex@...x.de>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        Marek Vasut <marex@...x.de>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Tristram Ha <Tristram.Ha@...rochip.com>,
        Woojung Huh <Woojung.Huh@...rochip.com>
Subject: Re: [PATCH V3 07/10] net: dsa: microchip: Initial SPI regmap support

Hi Marek,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on v5.2-rc6 next-20190621]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Marek-Vasut/net-dsa-microchip-Convert-to-regmap/20190625-021215
config: x86_64-randconfig-ne0-06250702 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   ld: drivers/base/regmap/regmap-spi.o: in function `regmap_spi_read':
>> drivers/base/regmap/regmap-spi.c:98: undefined reference to `spi_write_then_read'
   ld: drivers/base/regmap/regmap-spi.o: in function `regmap_spi_async_write':
>> drivers/base/regmap/regmap-spi.c:77: undefined reference to `spi_async'
   ld: drivers/base/regmap/regmap-spi.o: in function `spi_sync_transfer':
   include/linux/spi/spi.h:1087: undefined reference to `spi_sync'
   ld: drivers/base/regmap/regmap-spi.o: in function `regmap_spi_gather_write':
>> drivers/base/regmap/regmap-spi.c:50: undefined reference to `spi_sync'

vim +98 drivers/base/regmap/regmap-spi.c

a676f083 Mark Brown     2011-05-12   35  
0135bbcc Stephen Warren 2012-04-04   36  static int regmap_spi_gather_write(void *context,
a676f083 Mark Brown     2011-05-12   37  				   const void *reg, size_t reg_len,
a676f083 Mark Brown     2011-05-12   38  				   const void *val, size_t val_len)
a676f083 Mark Brown     2011-05-12   39  {
0135bbcc Stephen Warren 2012-04-04   40  	struct device *dev = context;
a676f083 Mark Brown     2011-05-12   41  	struct spi_device *spi = to_spi_device(dev);
a676f083 Mark Brown     2011-05-12   42  	struct spi_message m;
a676f083 Mark Brown     2011-05-12   43  	struct spi_transfer t[2] = { { .tx_buf = reg, .len = reg_len, },
a676f083 Mark Brown     2011-05-12   44  				     { .tx_buf = val, .len = val_len, }, };
a676f083 Mark Brown     2011-05-12   45  
a676f083 Mark Brown     2011-05-12   46  	spi_message_init(&m);
a676f083 Mark Brown     2011-05-12   47  	spi_message_add_tail(&t[0], &m);
a676f083 Mark Brown     2011-05-12   48  	spi_message_add_tail(&t[1], &m);
a676f083 Mark Brown     2011-05-12   49  
a676f083 Mark Brown     2011-05-12  @50  	return spi_sync(spi, &m);
a676f083 Mark Brown     2011-05-12   51  }
a676f083 Mark Brown     2011-05-12   52  
e0356dfe Mark Brown     2013-01-29   53  static int regmap_spi_async_write(void *context,
e0356dfe Mark Brown     2013-01-29   54  				  const void *reg, size_t reg_len,
e0356dfe Mark Brown     2013-01-29   55  				  const void *val, size_t val_len,
e0356dfe Mark Brown     2013-01-29   56  				  struct regmap_async *a)
e0356dfe Mark Brown     2013-01-29   57  {
e0356dfe Mark Brown     2013-01-29   58  	struct regmap_async_spi *async = container_of(a,
e0356dfe Mark Brown     2013-01-29   59  						      struct regmap_async_spi,
e0356dfe Mark Brown     2013-01-29   60  						      core);
e0356dfe Mark Brown     2013-01-29   61  	struct device *dev = context;
e0356dfe Mark Brown     2013-01-29   62  	struct spi_device *spi = to_spi_device(dev);
e0356dfe Mark Brown     2013-01-29   63  
e0356dfe Mark Brown     2013-01-29   64  	async->t[0].tx_buf = reg;
e0356dfe Mark Brown     2013-01-29   65  	async->t[0].len = reg_len;
e0356dfe Mark Brown     2013-01-29   66  	async->t[1].tx_buf = val;
e0356dfe Mark Brown     2013-01-29   67  	async->t[1].len = val_len;
e0356dfe Mark Brown     2013-01-29   68  
e0356dfe Mark Brown     2013-01-29   69  	spi_message_init(&async->m);
e0356dfe Mark Brown     2013-01-29   70  	spi_message_add_tail(&async->t[0], &async->m);
cd1b9dd0 Mark Brown     2013-10-10   71  	if (val)
e0356dfe Mark Brown     2013-01-29   72  		spi_message_add_tail(&async->t[1], &async->m);
e0356dfe Mark Brown     2013-01-29   73  
e0356dfe Mark Brown     2013-01-29   74  	async->m.complete = regmap_spi_complete;
e0356dfe Mark Brown     2013-01-29   75  	async->m.context = async;
e0356dfe Mark Brown     2013-01-29   76  
e0356dfe Mark Brown     2013-01-29  @77  	return spi_async(spi, &async->m);
e0356dfe Mark Brown     2013-01-29   78  }
e0356dfe Mark Brown     2013-01-29   79  
e0356dfe Mark Brown     2013-01-29   80  static struct regmap_async *regmap_spi_async_alloc(void)
e0356dfe Mark Brown     2013-01-29   81  {
e0356dfe Mark Brown     2013-01-29   82  	struct regmap_async_spi *async_spi;
e0356dfe Mark Brown     2013-01-29   83  
e0356dfe Mark Brown     2013-01-29   84  	async_spi = kzalloc(sizeof(*async_spi), GFP_KERNEL);
95601d65 Mark Brown     2013-02-05   85  	if (!async_spi)
95601d65 Mark Brown     2013-02-05   86  		return NULL;
e0356dfe Mark Brown     2013-01-29   87  
e0356dfe Mark Brown     2013-01-29   88  	return &async_spi->core;
e0356dfe Mark Brown     2013-01-29   89  }
e0356dfe Mark Brown     2013-01-29   90  
0135bbcc Stephen Warren 2012-04-04   91  static int regmap_spi_read(void *context,
a676f083 Mark Brown     2011-05-12   92  			   const void *reg, size_t reg_size,
a676f083 Mark Brown     2011-05-12   93  			   void *val, size_t val_size)
a676f083 Mark Brown     2011-05-12   94  {
0135bbcc Stephen Warren 2012-04-04   95  	struct device *dev = context;
a676f083 Mark Brown     2011-05-12   96  	struct spi_device *spi = to_spi_device(dev);
a676f083 Mark Brown     2011-05-12   97  
a676f083 Mark Brown     2011-05-12  @98  	return spi_write_then_read(spi, reg, reg_size, val, val_size);
a676f083 Mark Brown     2011-05-12   99  }
a676f083 Mark Brown     2011-05-12  100  

:::::: The code at line 98 was first introduced by commit
:::::: a676f083068b08e676c557279effbd7f4d590812 regmap: Add SPI bus support

:::::: TO: Mark Brown <broonie@...nsource.wolfsonmicro.com>
:::::: CC: Mark Brown <broonie@...nsource.wolfsonmicro.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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