drivers/net/ethernet/allwinner/sun4i-emac.c:940:60: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'resource_size_t' {aka 'long long unsigned int'}

From: kernel test robot
Date: Wed Dec 29 2021 - 04:20:01 EST


tree: https://github.com/0day-ci/linux/commits/UPDATE-20211229-095330/conleylee-foxmail-com/sun4i-emac-c-add-dma-support/20211224-225057
head: c1054aa82226f85551abd3193d686b3e263e75d2
commit: c1054aa82226f85551abd3193d686b3e263e75d2 sun4i-emac.c: add dma support
date: 7 hours ago
config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20211229/202112291759.0LDxIUcf-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/c1054aa82226f85551abd3193d686b3e263e75d2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review UPDATE-20211229-095330/conleylee-foxmail-com/sun4i-emac-c-add-dma-support/20211224-225057
git checkout c1054aa82226f85551abd3193d686b3e263e75d2
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/allwinner/

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

All warnings (new ones prefixed by >>):

drivers/net/ethernet/allwinner/sun4i-emac.c: In function 'emac_configure_dma':
>> drivers/net/ethernet/allwinner/sun4i-emac.c:940:60: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
940 | netdev_info(ndev, "get io resource from device: 0x%x, size = %u\n",
| ~^
| |
| unsigned int
| %llx
941 | regs->start, resource_size(regs));
| ~~~~~~~~~~~
| |
| resource_size_t {aka long long unsigned int}
>> drivers/net/ethernet/allwinner/sun4i-emac.c:940:71: warning: format '%u' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' {aka 'long long unsigned int'} [-Wformat=]
940 | netdev_info(ndev, "get io resource from device: 0x%x, size = %u\n",
| ~^
| |
| unsigned int
| %llu
941 | regs->start, resource_size(regs));
| ~~~~~~~~~~~~~~~~~~~
| |
| resource_size_t {aka long long unsigned int}


vim +940 drivers/net/ethernet/allwinner/sun4i-emac.c

924
925 static int emac_configure_dma(struct emac_board_info *db)
926 {
927 struct platform_device *pdev = db->pdev;
928 struct net_device *ndev = db->ndev;
929 struct dma_slave_config conf = {};
930 struct resource *regs;
931 int err = 0;
932
933 regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
934 if (!regs) {
935 netdev_err(ndev, "get io resource from device failed.\n");
936 err = -ENOMEM;
937 goto out_clear_chan;
938 }
939
> 940 netdev_info(ndev, "get io resource from device: 0x%x, size = %u\n",
941 regs->start, resource_size(regs));
942 db->emac_rx_fifo = regs->start + EMAC_RX_IO_DATA_REG;
943
944 db->rx_chan = dma_request_chan(&pdev->dev, "rx");
945 if (IS_ERR(db->rx_chan)) {
946 netdev_err(ndev,
947 "failed to request dma channel. dma is disabled\n");
948 err = PTR_ERR(db->rx_chan);
949 goto out_clear_chan;
950 }
951
952 conf.direction = DMA_DEV_TO_MEM;
953 conf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
954 conf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
955 conf.src_addr = db->emac_rx_fifo;
956 conf.dst_maxburst = 4;
957 conf.src_maxburst = 4;
958 conf.device_fc = false;
959
960 err = dmaengine_slave_config(db->rx_chan, &conf);
961 if (err) {
962 netdev_err(ndev, "config dma slave failed\n");
963 err = -EINVAL;
964 goto out_slave_configure_err;
965 }
966
967 return err;
968
969 out_slave_configure_err:
970 dma_release_channel(db->rx_chan);
971
972 out_clear_chan:
973 db->rx_chan = NULL;
974 return err;
975 }
976

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