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Subject[ambarus:at-hdmac-virt-dma-2nd-iteration 9/11] drivers/dma/at_hdmac.c:469: warning: expecting prototype for set_desc_eol(). Prototype was for set_lli_eol() instead
tree:   https://github.com/ambarus/linux-0day at-hdmac-virt-dma-2nd-iteration
head: ae6fc9abe0bb2ef6193d3353b41ebcd49f7f95a0
commit: e4caf9eb097113115c4ae345da16ce06c9365842 [9/11] dmaengine: at-hdmac: Update driver to use virt-dma
config: arm-at91_dt_defconfig (https://download.01.org/0day-ci/archive/20220731/202207312153.ze7Hqt3a-lkp@intel.com/config)
compiler: arm-linux-gnueabi-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/ambarus/linux-0day/commit/e4caf9eb097113115c4ae345da16ce06c9365842
git remote add ambarus https://github.com/ambarus/linux-0day
git fetch --no-tags ambarus at-hdmac-virt-dma-2nd-iteration
git checkout e4caf9eb097113115c4ae345da16ce06c9365842
# 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=arm SHELL=/bin/bash drivers/dma/

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

All warnings (new ones prefixed by >>):

drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'vd' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'atchan' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'sglen' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'active_xfer' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'boundary' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'dst_hole' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'src_hole' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'memset_buffer' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'memset_paddr' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'memset_vaddr' not described in 'at_desc'
drivers/dma/at_hdmac.c:251: warning: Function parameter or member 'sg' not described in 'at_desc'
drivers/dma/at_hdmac.c:259: warning: cannot understand function prototype: 'enum atc_status '
drivers/dma/at_hdmac.c:292: warning: Function parameter or member 'vc' not described in 'at_dma_chan'
drivers/dma/at_hdmac.c:292: warning: Function parameter or member 'atdma' not described in 'at_dma_chan'
drivers/dma/at_hdmac.c:292: warning: Function parameter or member 'sgidx' not described in 'at_dma_chan'
drivers/dma/at_hdmac.c:292: warning: Function parameter or member 'cyclic' not described in 'at_dma_chan'
drivers/dma/at_hdmac.c:292: warning: Function parameter or member 'desc' not described in 'at_dma_chan'
drivers/dma/at_hdmac.c:365: warning: Function parameter or member 'regs' not described in 'at_dma'
drivers/dma/at_hdmac.c:469: warning: Function parameter or member 'i' not described in 'set_lli_eol'
>> drivers/dma/at_hdmac.c:469: warning: expecting prototype for set_desc_eol(). Prototype was for set_lli_eol() instead
drivers/dma/at_hdmac.c:708: warning: Function parameter or member 'i' not described in 'atc_handle_error'


vim +469 drivers/dma/at_hdmac.c

807dd140a1f96b Tudor Ambarus 2022-07-04 463
807dd140a1f96b Tudor Ambarus 2022-07-04 464 /**
807dd140a1f96b Tudor Ambarus 2022-07-04 465 * set_desc_eol - set end-of-link to descriptor so it will end transfer
807dd140a1f96b Tudor Ambarus 2022-07-04 466 * @desc: descriptor, signle or at the end of a chain, to end chain on
807dd140a1f96b Tudor Ambarus 2022-07-04 467 */
e4caf9eb097113 Tudor Ambarus 2022-07-11 468 static void set_lli_eol(struct at_desc *desc, unsigned int i)
807dd140a1f96b Tudor Ambarus 2022-07-04 @469 {
e4caf9eb097113 Tudor Ambarus 2022-07-11 470 u32 ctrlb = desc->sg[i].lli->ctrlb;
807dd140a1f96b Tudor Ambarus 2022-07-04 471
807dd140a1f96b Tudor Ambarus 2022-07-04 472 ctrlb &= ~ATC_IEN;
807dd140a1f96b Tudor Ambarus 2022-07-04 473 ctrlb |= ATC_SRC_DSCR_DIS | ATC_DST_DSCR_DIS;
807dd140a1f96b Tudor Ambarus 2022-07-04 474
e4caf9eb097113 Tudor Ambarus 2022-07-11 475 desc->sg[i].lli->ctrlb = ctrlb;
e4caf9eb097113 Tudor Ambarus 2022-07-11 476 desc->sg[i].lli->dscr = 0;
807dd140a1f96b Tudor Ambarus 2022-07-04 477 }
807dd140a1f96b Tudor Ambarus 2022-07-04 478

:::::: The code at line 469 was first introduced by commit
:::::: 807dd140a1f96b66a04811cb693fcc3685110501 dmaengine: at_hdmac: Keep register definitions and structures private to at_hdmac.c

:::::: TO: Tudor Ambarus <tudor.ambarus@microchip.com>
:::::: CC: Tudor Ambarus <tudor.ambarus@microchip.com>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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