It bothered to me to see "static struct i2c_algorithm i2c_dw_algo {}"
defined twice both in i2c-designware-pcidrv.c and
i2c-designware-platdrv.c and so many exported i2c-designware-core
functions.

It turned out some of them became unused or are local and there were
also duplicated probe code that I moved to new common i2c_dw_probe().

Object sizes below before and after this set from CONFIG_X86_64=y build.

   text    data     bss     dec     hex filename
   6439    1096       0    7535    1d6f 
drivers/i2c/busses/i2c-designware-core.ko
   5123    1588      16    6727    1a47 drivers/i2c/busses/i2c-designware-pci.ko
   5274    1096      16    6386    18f2 
drivers/i2c/busses/i2c-designware-platform.ko
  16836    3780      32   20648    50a8 (TOTALS)

   text    data     bss     dec     hex filename
   7225    1120      16    8361    20a9 
drivers/i2c/busses/i2c-designware-core.ko
   4281    1524       0    5805    16ad drivers/i2c/busses/i2c-designware-pci.ko
   4337    1072       0    5409    1521 
drivers/i2c/busses/i2c-designware-platform.ko
  15843    3716      16   19575    4c77 (TOTALS)

Jarkko Nikula (6):
  i2c: designware: Remove interrupt clearing from i2c_dw_pci_probe()
  i2c: designware: Disable interrupts before requesting PCI device
    interrupt
  i2c: designware: Remove unused functions
  i2c: designware: Make dw_readl() and dw_writel() static
  i2c: designware: Rename platform driver probe and PM functions
  i2c: designware: Move common probe code into i2c_dw_probe()

 drivers/i2c/busses/i2c-designware-core.c    | 73 ++++++++++++++++++-----------
 drivers/i2c/busses/i2c-designware-core.h    | 10 +---
 drivers/i2c/busses/i2c-designware-pcidrv.c  | 31 ++----------
 drivers/i2c/busses/i2c-designware-platdrv.c | 52 ++++++--------------
 4 files changed, 63 insertions(+), 103 deletions(-)

-- 
2.5.0

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