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Message-ID: <202209060123.uhjAWgYf-lkp@intel.com>
Date: Tue, 6 Sep 2022 01:22:33 +0800
From: kernel test robot <lkp@...el.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
Jonathan Corbet <corbet@....net>
Subject: drivers/dma/ppc4xx/adma.c:1329: warning: expecting prototype for
ppc440spe_adma_device_estimate(). Prototype was for
ppc440spe_adma_estimate() instead
Hi Mauro,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7e18e42e4b280c85b76967a9106a13ca61c16179
commit: 52042e2db45290f6a512d525518488b7bf143531 scripts: kernel-doc: validate kernel-doc markup with the actual names
date: 1 year, 8 months ago
config: powerpc-randconfig-r012-20220905 (https://download.01.org/0day-ci/archive/20220906/202209060123.uhjAWgYf-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=52042e2db45290f6a512d525518488b7bf143531
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 52042e2db45290f6a512d525518488b7bf143531
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/dma/ppc4xx/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/dma/ppc4xx/adma.c:233: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_interrupt'
drivers/dma/ppc4xx/adma.c:233: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_init_interrupt'
drivers/dma/ppc4xx/adma.c:261: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_null_xor'
drivers/dma/ppc4xx/adma.c:273: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_xor'
drivers/dma/ppc4xx/adma.c:273: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_desc_init_xor'
drivers/dma/ppc4xx/adma.c:273: warning: Function parameter or member 'flags' not described in 'ppc440spe_desc_init_xor'
drivers/dma/ppc4xx/adma.c:293: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_dma2pq'
drivers/dma/ppc4xx/adma.c:293: warning: Function parameter or member 'dst_cnt' not described in 'ppc440spe_desc_init_dma2pq'
drivers/dma/ppc4xx/adma.c:293: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_desc_init_dma2pq'
drivers/dma/ppc4xx/adma.c:293: warning: Function parameter or member 'flags' not described in 'ppc440spe_desc_init_dma2pq'
drivers/dma/ppc4xx/adma.c:320: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_dma01pq'
drivers/dma/ppc4xx/adma.c:320: warning: Function parameter or member 'dst_cnt' not described in 'ppc440spe_desc_init_dma01pq'
drivers/dma/ppc4xx/adma.c:320: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_desc_init_dma01pq'
drivers/dma/ppc4xx/adma.c:320: warning: Function parameter or member 'flags' not described in 'ppc440spe_desc_init_dma01pq'
drivers/dma/ppc4xx/adma.c:320: warning: Function parameter or member 'op' not described in 'ppc440spe_desc_init_dma01pq'
drivers/dma/ppc4xx/adma.c:433: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_dma01pqzero_sum'
drivers/dma/ppc4xx/adma.c:433: warning: Function parameter or member 'dst_cnt' not described in 'ppc440spe_desc_init_dma01pqzero_sum'
drivers/dma/ppc4xx/adma.c:433: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_desc_init_dma01pqzero_sum'
drivers/dma/ppc4xx/adma.c:503: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_init_memcpy'
drivers/dma/ppc4xx/adma.c:503: warning: Function parameter or member 'flags' not described in 'ppc440spe_desc_init_memcpy'
drivers/dma/ppc4xx/adma.c:526: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_src_addr'
drivers/dma/ppc4xx/adma.c:526: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_src_addr'
drivers/dma/ppc4xx/adma.c:526: warning: Function parameter or member 'src_idx' not described in 'ppc440spe_desc_set_src_addr'
drivers/dma/ppc4xx/adma.c:526: warning: Function parameter or member 'addrh' not described in 'ppc440spe_desc_set_src_addr'
drivers/dma/ppc4xx/adma.c:526: warning: Function parameter or member 'addrl' not described in 'ppc440spe_desc_set_src_addr'
drivers/dma/ppc4xx/adma.c:560: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_src_mult'
drivers/dma/ppc4xx/adma.c:560: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_src_mult'
drivers/dma/ppc4xx/adma.c:560: warning: Function parameter or member 'mult_index' not described in 'ppc440spe_desc_set_src_mult'
drivers/dma/ppc4xx/adma.c:560: warning: Function parameter or member 'sg_index' not described in 'ppc440spe_desc_set_src_mult'
drivers/dma/ppc4xx/adma.c:560: warning: Function parameter or member 'mult_value' not described in 'ppc440spe_desc_set_src_mult'
drivers/dma/ppc4xx/adma.c:605: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_dest_addr'
drivers/dma/ppc4xx/adma.c:605: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_dest_addr'
drivers/dma/ppc4xx/adma.c:605: warning: Function parameter or member 'addrh' not described in 'ppc440spe_desc_set_dest_addr'
drivers/dma/ppc4xx/adma.c:605: warning: Function parameter or member 'addrl' not described in 'ppc440spe_desc_set_dest_addr'
drivers/dma/ppc4xx/adma.c:605: warning: Function parameter or member 'dst_idx' not described in 'ppc440spe_desc_set_dest_addr'
drivers/dma/ppc4xx/adma.c:645: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_byte_count'
drivers/dma/ppc4xx/adma.c:645: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_byte_count'
drivers/dma/ppc4xx/adma.c:645: warning: Function parameter or member 'byte_count' not described in 'ppc440spe_desc_set_byte_count'
drivers/dma/ppc4xx/adma.c:666: warning: Function parameter or member 'byte_count' not described in 'ppc440spe_desc_set_rxor_block_size'
drivers/dma/ppc4xx/adma.c:679: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_dcheck'
drivers/dma/ppc4xx/adma.c:679: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_dcheck'
drivers/dma/ppc4xx/adma.c:679: warning: Function parameter or member 'qword' not described in 'ppc440spe_desc_set_dcheck'
drivers/dma/ppc4xx/adma.c:701: warning: Function parameter or member 'prev_desc' not described in 'ppc440spe_xor_set_link'
drivers/dma/ppc4xx/adma.c:701: warning: Function parameter or member 'next_desc' not described in 'ppc440spe_xor_set_link'
drivers/dma/ppc4xx/adma.c:724: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_set_link'
drivers/dma/ppc4xx/adma.c:724: warning: Function parameter or member 'prev_desc' not described in 'ppc440spe_desc_set_link'
drivers/dma/ppc4xx/adma.c:724: warning: Function parameter or member 'next_desc' not described in 'ppc440spe_desc_set_link'
drivers/dma/ppc4xx/adma.c:771: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_get_link'
drivers/dma/ppc4xx/adma.c:771: warning: Function parameter or member 'chan' not described in 'ppc440spe_desc_get_link'
drivers/dma/ppc4xx/adma.c:783: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_is_aligned'
drivers/dma/ppc4xx/adma.c:783: warning: Function parameter or member 'num_slots' not described in 'ppc440spe_desc_is_aligned'
drivers/dma/ppc4xx/adma.c:793: warning: Function parameter or member 'len' not described in 'ppc440spe_chan_xor_slot_count'
drivers/dma/ppc4xx/adma.c:793: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_chan_xor_slot_count'
drivers/dma/ppc4xx/adma.c:793: warning: Function parameter or member 'slots_per_op' not described in 'ppc440spe_chan_xor_slot_count'
drivers/dma/ppc4xx/adma.c:814: warning: Function parameter or member 'srcs' not described in 'ppc440spe_dma2_pq_slot_count'
drivers/dma/ppc4xx/adma.c:814: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_dma2_pq_slot_count'
drivers/dma/ppc4xx/adma.c:814: warning: Function parameter or member 'len' not described in 'ppc440spe_dma2_pq_slot_count'
drivers/dma/ppc4xx/adma.c:898: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_device_clear_eot_status'
drivers/dma/ppc4xx/adma.c:1017: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_is_busy'
drivers/dma/ppc4xx/adma.c:1050: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_set_first_xor_descriptor'
drivers/dma/ppc4xx/adma.c:1050: warning: Function parameter or member 'next_desc' not described in 'ppc440spe_chan_set_first_xor_descriptor'
drivers/dma/ppc4xx/adma.c:1076: warning: Function parameter or member 'chan' not described in 'ppc440spe_dma_put_desc'
drivers/dma/ppc4xx/adma.c:1076: warning: Function parameter or member 'desc' not described in 'ppc440spe_dma_put_desc'
drivers/dma/ppc4xx/adma.c:1095: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_append'
drivers/dma/ppc4xx/adma.c:1174: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_get_current_descriptor'
drivers/dma/ppc4xx/adma.c:1198: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_run'
drivers/dma/ppc4xx/adma.c:1252: warning: Function parameter or member 'srcs' not described in 'ppc440spe_can_rxor'
drivers/dma/ppc4xx/adma.c:1252: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_can_rxor'
drivers/dma/ppc4xx/adma.c:1252: warning: Function parameter or member 'len' not described in 'ppc440spe_can_rxor'
>> drivers/dma/ppc4xx/adma.c:1329: warning: expecting prototype for ppc440spe_adma_device_estimate(). Prototype was for ppc440spe_adma_estimate() instead
drivers/dma/ppc4xx/adma.c:1422: warning: Function parameter or member 'entry_idx' not described in 'ppc440spe_get_group_entry'
drivers/dma/ppc4xx/adma.c:1446: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_free_slots'
drivers/dma/ppc4xx/adma.c:1465: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_run_tx_complete_actions'
drivers/dma/ppc4xx/adma.c:1465: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_run_tx_complete_actions'
drivers/dma/ppc4xx/adma.c:1465: warning: Function parameter or member 'cookie' not described in 'ppc440spe_adma_run_tx_complete_actions'
drivers/dma/ppc4xx/adma.c:1489: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_clean_slot'
drivers/dma/ppc4xx/adma.c:1489: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_clean_slot'
drivers/dma/ppc4xx/adma.c:1534: warning: Function parameter or member 'chan' not described in '__ppc440spe_adma_slot_cleanup'
drivers/dma/ppc4xx/adma.c:1662: warning: Function parameter or member 't' not described in 'ppc440spe_adma_tasklet'
drivers/dma/ppc4xx/adma.c:1674: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_slot_cleanup'
drivers/dma/ppc4xx/adma.c:1686: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_alloc_slots'
drivers/dma/ppc4xx/adma.c:1686: warning: Function parameter or member 'num_slots' not described in 'ppc440spe_adma_alloc_slots'
drivers/dma/ppc4xx/adma.c:1686: warning: Function parameter or member 'slots_per_op' not described in 'ppc440spe_adma_alloc_slots'
drivers/dma/ppc4xx/adma.c:1765: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_alloc_chan_resources'
drivers/dma/ppc4xx/adma.c:1846: warning: Function parameter or member 'desc' not described in 'ppc440spe_rxor_set_region'
drivers/dma/ppc4xx/adma.c:1846: warning: Function parameter or member 'xor_arg_no' not described in 'ppc440spe_rxor_set_region'
drivers/dma/ppc4xx/adma.c:1846: warning: Function parameter or member 'mask' not described in 'ppc440spe_rxor_set_region'
>> drivers/dma/ppc4xx/adma.c:1846: warning: expecting prototype for ppc440spe_rxor_set_region_data(). Prototype was for ppc440spe_rxor_set_region() instead
drivers/dma/ppc4xx/adma.c:1857: warning: Function parameter or member 'desc' not described in 'ppc440spe_rxor_set_src'
drivers/dma/ppc4xx/adma.c:1857: warning: Function parameter or member 'xor_arg_no' not described in 'ppc440spe_rxor_set_src'
drivers/dma/ppc4xx/adma.c:1857: warning: Function parameter or member 'addr' not described in 'ppc440spe_rxor_set_src'
drivers/dma/ppc4xx/adma.c:1869: warning: Function parameter or member 'desc' not described in 'ppc440spe_rxor_set_mult'
drivers/dma/ppc4xx/adma.c:1869: warning: Function parameter or member 'xor_arg_no' not described in 'ppc440spe_rxor_set_mult'
drivers/dma/ppc4xx/adma.c:1869: warning: Function parameter or member 'idx' not described in 'ppc440spe_rxor_set_mult'
drivers/dma/ppc4xx/adma.c:1869: warning: Function parameter or member 'mult' not described in 'ppc440spe_rxor_set_mult'
drivers/dma/ppc4xx/adma.c:1880: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_check_threshold'
drivers/dma/ppc4xx/adma.c:1896: warning: Function parameter or member 'tx' not described in 'ppc440spe_adma_tx_submit'
drivers/dma/ppc4xx/adma.c:1946: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_interrupt'
drivers/dma/ppc4xx/adma.c:1946: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_interrupt'
drivers/dma/ppc4xx/adma.c:1978: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_memcpy'
drivers/dma/ppc4xx/adma.c:1978: warning: Function parameter or member 'dma_dest' not described in 'ppc440spe_adma_prep_dma_memcpy'
drivers/dma/ppc4xx/adma.c:1978: warning: Function parameter or member 'dma_src' not described in 'ppc440spe_adma_prep_dma_memcpy'
drivers/dma/ppc4xx/adma.c:1978: warning: Function parameter or member 'len' not described in 'ppc440spe_adma_prep_dma_memcpy'
drivers/dma/ppc4xx/adma.c:1978: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_memcpy'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'dma_dest' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'dma_src' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'len' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2020: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_xor'
drivers/dma/ppc4xx/adma.c:2069: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_init_dma2rxor_slot'
drivers/dma/ppc4xx/adma.c:2069: warning: Function parameter or member 'src' not described in 'ppc440spe_adma_init_dma2rxor_slot'
drivers/dma/ppc4xx/adma.c:2069: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_init_dma2rxor_slot'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'ppc440spe_chan' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'dst' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'dst_cnt' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'src' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'scf' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'len' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2087: warning: Function parameter or member 'flags' not described in 'ppc440spe_dma01_prep_mult'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'ppc440spe_chan' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'dst' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'src' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'scf' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'len' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2173: warning: Function parameter or member 'flags' not described in 'ppc440spe_dma01_prep_sum_product'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'dst' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'src' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'scf' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'len' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2511: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_pq'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'pq' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'src' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'scf' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'len' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'pqres' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2587: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_pqzero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'src' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'len' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'result' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2765: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_prep_dma_xor_zero_sum'
drivers/dma/ppc4xx/adma.c:2785: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_set_dest'
drivers/dma/ppc4xx/adma.c:2785: warning: Function parameter or member 'addr' not described in 'ppc440spe_adma_set_dest'
drivers/dma/ppc4xx/adma.c:2785: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_set_dest'
drivers/dma/ppc4xx/adma.c:2832: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_pq_set_dest'
drivers/dma/ppc4xx/adma.c:2832: warning: Function parameter or member 'addrs' not described in 'ppc440spe_adma_pq_set_dest'
drivers/dma/ppc4xx/adma.c:2832: warning: Function parameter or member 'flags' not described in 'ppc440spe_adma_pq_set_dest'
drivers/dma/ppc4xx/adma.c:3022: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_pqzero_sum_set_dest'
drivers/dma/ppc4xx/adma.c:3022: warning: Function parameter or member 'paddr' not described in 'ppc440spe_adma_pqzero_sum_set_dest'
drivers/dma/ppc4xx/adma.c:3022: warning: Function parameter or member 'qaddr' not described in 'ppc440spe_adma_pqzero_sum_set_dest'
>> drivers/dma/ppc4xx/adma.c:3022: warning: expecting prototype for ppc440spe_adma_pq_zero_sum_set_dest(). Prototype was for ppc440spe_adma_pqzero_sum_set_dest() instead
drivers/dma/ppc4xx/adma.c:3086: warning: Function parameter or member 'desc' not described in 'ppc440spe_desc_set_xor_src_cnt'
drivers/dma/ppc4xx/adma.c:3086: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_desc_set_xor_src_cnt'
drivers/dma/ppc4xx/adma.c:3098: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_pq_set_src'
drivers/dma/ppc4xx/adma.c:3098: warning: Function parameter or member 'addr' not described in 'ppc440spe_adma_pq_set_src'
drivers/dma/ppc4xx/adma.c:3098: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_pq_set_src'
drivers/dma/ppc4xx/adma.c:3208: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_memcpy_xor_set_src'
drivers/dma/ppc4xx/adma.c:3208: warning: Function parameter or member 'addr' not described in 'ppc440spe_adma_memcpy_xor_set_src'
drivers/dma/ppc4xx/adma.c:3208: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_memcpy_xor_set_src'
drivers/dma/ppc4xx/adma.c:3224: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_dma2rxor_inc_addr'
drivers/dma/ppc4xx/adma.c:3224: warning: Function parameter or member 'cursor' not described in 'ppc440spe_adma_dma2rxor_inc_addr'
drivers/dma/ppc4xx/adma.c:3224: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_dma2rxor_inc_addr'
drivers/dma/ppc4xx/adma.c:3224: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_dma2rxor_inc_addr'
drivers/dma/ppc4xx/adma.c:3242: warning: Function parameter or member 'hdesc' not described in 'ppc440spe_adma_dma2rxor_prep_src'
drivers/dma/ppc4xx/adma.c:3242: warning: Function parameter or member 'cursor' not described in 'ppc440spe_adma_dma2rxor_prep_src'
drivers/dma/ppc4xx/adma.c:3242: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_dma2rxor_prep_src'
drivers/dma/ppc4xx/adma.c:3242: warning: Function parameter or member 'src_cnt' not described in 'ppc440spe_adma_dma2rxor_prep_src'
drivers/dma/ppc4xx/adma.c:3242: warning: Function parameter or member 'addr' not described in 'ppc440spe_adma_dma2rxor_prep_src'
drivers/dma/ppc4xx/adma.c:3361: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_dma2rxor_set_src'
drivers/dma/ppc4xx/adma.c:3361: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_dma2rxor_set_src'
drivers/dma/ppc4xx/adma.c:3361: warning: Function parameter or member 'addr' not described in 'ppc440spe_adma_dma2rxor_set_src'
drivers/dma/ppc4xx/adma.c:3402: warning: Function parameter or member 'desc' not described in 'ppc440spe_adma_dma2rxor_set_mult'
drivers/dma/ppc4xx/adma.c:3402: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_dma2rxor_set_mult'
drivers/dma/ppc4xx/adma.c:3402: warning: Function parameter or member 'mult' not described in 'ppc440spe_adma_dma2rxor_set_mult'
drivers/dma/ppc4xx/adma.c:3438: warning: Function parameter or member 'cursor' not described in 'ppc440spe_init_rxor_cursor'
drivers/dma/ppc4xx/adma.c:3450: warning: Function parameter or member 'sw_desc' not described in 'ppc440spe_adma_pq_set_src_mult'
drivers/dma/ppc4xx/adma.c:3450: warning: Function parameter or member 'mult' not described in 'ppc440spe_adma_pq_set_src_mult'
drivers/dma/ppc4xx/adma.c:3450: warning: Function parameter or member 'index' not described in 'ppc440spe_adma_pq_set_src_mult'
drivers/dma/ppc4xx/adma.c:3450: warning: Function parameter or member 'dst_pos' not described in 'ppc440spe_adma_pq_set_src_mult'
drivers/dma/ppc4xx/adma.c:3534: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_free_chan_resources'
drivers/dma/ppc4xx/adma.c:3594: warning: Function parameter or member 'irq' not described in 'ppc440spe_adma_eot_handler'
drivers/dma/ppc4xx/adma.c:3594: warning: Function parameter or member 'data' not described in 'ppc440spe_adma_eot_handler'
drivers/dma/ppc4xx/adma.c:3611: warning: Function parameter or member 'irq' not described in 'ppc440spe_adma_err_handler'
drivers/dma/ppc4xx/adma.c:3611: warning: Function parameter or member 'data' not described in 'ppc440spe_adma_err_handler'
drivers/dma/ppc4xx/adma.c:3627: warning: Function parameter or member 'unused' not described in 'ppc440spe_test_callback'
drivers/dma/ppc4xx/adma.c:3635: warning: Function parameter or member 'chan' not described in 'ppc440spe_adma_issue_pending'
drivers/dma/ppc4xx/adma.c:3655: warning: Function parameter or member 'chan' not described in 'ppc440spe_chan_start_null_xor'
drivers/dma/ppc4xx/adma.c:3701: warning: Function parameter or member 'chan' not described in 'ppc440spe_test_raid6'
drivers/dma/ppc4xx/adma.c:4006: warning: Function parameter or member 'ofdev' not described in 'ppc440spe_adma_probe'
drivers/dma/ppc4xx/adma.c:4235: warning: Function parameter or member 'ofdev' not described in 'ppc440spe_adma_remove'
vim +1329 drivers/dma/ppc4xx/adma.c
12458ea06efd7b Anatolij Gustschin 2009-12-11 1313
12458ea06efd7b Anatolij Gustschin 2009-12-11 1314 /**
12458ea06efd7b Anatolij Gustschin 2009-12-11 1315 * ppc440spe_adma_device_estimate - estimate the efficiency of processing
12458ea06efd7b Anatolij Gustschin 2009-12-11 1316 * the operation given on this channel. It's assumed that 'chan' is
12458ea06efd7b Anatolij Gustschin 2009-12-11 1317 * capable to process 'cap' type of operation.
12458ea06efd7b Anatolij Gustschin 2009-12-11 1318 * @chan: channel to use
12458ea06efd7b Anatolij Gustschin 2009-12-11 1319 * @cap: type of transaction
12458ea06efd7b Anatolij Gustschin 2009-12-11 1320 * @dst_lst: array of destination pointers
12458ea06efd7b Anatolij Gustschin 2009-12-11 1321 * @dst_cnt: number of destination operands
12458ea06efd7b Anatolij Gustschin 2009-12-11 1322 * @src_lst: array of source pointers
12458ea06efd7b Anatolij Gustschin 2009-12-11 1323 * @src_cnt: number of source operands
12458ea06efd7b Anatolij Gustschin 2009-12-11 1324 * @src_sz: size of each source operand
12458ea06efd7b Anatolij Gustschin 2009-12-11 1325 */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1326 static int ppc440spe_adma_estimate(struct dma_chan *chan,
12458ea06efd7b Anatolij Gustschin 2009-12-11 1327 enum dma_transaction_type cap, struct page **dst_lst, int dst_cnt,
12458ea06efd7b Anatolij Gustschin 2009-12-11 1328 struct page **src_lst, int src_cnt, size_t src_sz)
12458ea06efd7b Anatolij Gustschin 2009-12-11 @1329 {
12458ea06efd7b Anatolij Gustschin 2009-12-11 1330 int ef = 1;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1331
12458ea06efd7b Anatolij Gustschin 2009-12-11 1332 if (cap == DMA_PQ || cap == DMA_PQ_VAL) {
12458ea06efd7b Anatolij Gustschin 2009-12-11 1333 /* If RAID-6 capabilities were not activated don't try
12458ea06efd7b Anatolij Gustschin 2009-12-11 1334 * to use them
12458ea06efd7b Anatolij Gustschin 2009-12-11 1335 */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1336 if (unlikely(!ppc440spe_r6_enabled))
12458ea06efd7b Anatolij Gustschin 2009-12-11 1337 return -1;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1338 }
12458ea06efd7b Anatolij Gustschin 2009-12-11 1339 /* In the current implementation of ppc440spe ADMA driver it
12458ea06efd7b Anatolij Gustschin 2009-12-11 1340 * makes sense to pick out only pq case, because it may be
12458ea06efd7b Anatolij Gustschin 2009-12-11 1341 * processed:
12458ea06efd7b Anatolij Gustschin 2009-12-11 1342 * (1) either using Biskup method on DMA2;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1343 * (2) or on DMA0/1.
12458ea06efd7b Anatolij Gustschin 2009-12-11 1344 * Thus we give a favour to (1) if the sources are suitable;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1345 * else let it be processed on one of the DMA0/1 engines.
12458ea06efd7b Anatolij Gustschin 2009-12-11 1346 * In the sum_product case where destination is also the
12458ea06efd7b Anatolij Gustschin 2009-12-11 1347 * source process it on DMA0/1 only.
12458ea06efd7b Anatolij Gustschin 2009-12-11 1348 */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1349 if (cap == DMA_PQ && chan->chan_id == PPC440SPE_XOR_ID) {
12458ea06efd7b Anatolij Gustschin 2009-12-11 1350
12458ea06efd7b Anatolij Gustschin 2009-12-11 1351 if (dst_cnt == 1 && src_cnt == 2 && dst_lst[0] == src_lst[1])
12458ea06efd7b Anatolij Gustschin 2009-12-11 1352 ef = 0; /* sum_product case, process on DMA0/1 */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1353 else if (ppc440spe_can_rxor(src_lst, src_cnt, src_sz))
12458ea06efd7b Anatolij Gustschin 2009-12-11 1354 ef = 3; /* override (DMA0/1 + idle) */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1355 else
12458ea06efd7b Anatolij Gustschin 2009-12-11 1356 ef = 0; /* can't process on DMA2 if !rxor */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1357 }
12458ea06efd7b Anatolij Gustschin 2009-12-11 1358
12458ea06efd7b Anatolij Gustschin 2009-12-11 1359 /* channel idleness increases the priority */
12458ea06efd7b Anatolij Gustschin 2009-12-11 1360 if (likely(ef) &&
12458ea06efd7b Anatolij Gustschin 2009-12-11 1361 !ppc440spe_chan_is_busy(to_ppc440spe_adma_chan(chan)))
12458ea06efd7b Anatolij Gustschin 2009-12-11 1362 ef++;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1363
12458ea06efd7b Anatolij Gustschin 2009-12-11 1364 return ef;
12458ea06efd7b Anatolij Gustschin 2009-12-11 1365 }
12458ea06efd7b Anatolij Gustschin 2009-12-11 1366
:::::: The code at line 1329 was first introduced by commit
:::::: 12458ea06efd7b44281e68fe59c950ec7d59c649 ppc440spe-adma: adds updated ppc440spe adma driver
:::::: TO: Anatolij Gustschin <agust@...x.de>
:::::: CC: Dan Williams <dan.j.williams@...el.com>
--
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