tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next head: 39325b9a22301178ef684effade7c8bce04b5246 commit: 8706b37e87e58cd4d4dea593767d34447321610a [34/43] usb: mtu3: support 36-bit DMA address config: mips-allyesconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8706b37e87e58cd4d4dea593767d34447321610a # save the attached .config to linux build tree make.cross ARCH=mips All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:329:0, from include/linux/kernel.h:13, from include/asm-generic/bug.h:15, from arch/mips/include/asm/bug.h:41, from include/linux/bug.h:4, from include/linux/scatterlist.h:6, from include/linux/dmapool.h:14, from drivers/usb/mtu3/mtu3_qmu.c:30: drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_tx_gpd': >> drivers/usb/mtu3/mtu3_qmu.c:261:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Wformat=] dev_dbg(mep->mtu->dev, "TX-EP%d queue gpd=%p, enq=%p, qdma=%llx\n", ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^~~ drivers/usb/mtu3/mtu3_qmu.c:261:2: note: in expansion of macro 'dev_dbg' dev_dbg(mep->mtu->dev, "TX-EP%d queue gpd=%p, enq=%p, qdma=%llx\n", ^~~~~~~ drivers/usb/mtu3/mtu3_qmu.c: In function 'mtu3_prepare_rx_gpd': drivers/usb/mtu3/mtu3_qmu.c:300:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 7 has type 'dma_addr_t {aka unsigned int}' [-Wformat=] dev_dbg(mep->mtu->dev, "RX-EP%d queue gpd=%p, enq=%p, qdma=%llx\n", ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^~~ drivers/usb/mtu3/mtu3_qmu.c:300:2: note: in expansion of macro 'dev_dbg' dev_dbg(mep->mtu->dev, "RX-EP%d queue gpd=%p, enq=%p, qdma=%llx\n", ^~~~~~~ vim +261 drivers/usb/mtu3/mtu3_qmu.c 240 241 static int mtu3_prepare_tx_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq) 242 { 243 struct qmu_gpd *enq; 244 struct mtu3_gpd_ring *ring = &mep->gpd_ring; 245 struct qmu_gpd *gpd = ring->enqueue; 246 struct usb_request *req = &mreq->request; 247 dma_addr_t enq_dma; 248 u16 ext_addr; 249 250 /* set all fields to zero as default value */ 251 memset(gpd, 0, sizeof(*gpd)); 252 253 gpd->buffer = cpu_to_le32(lower_32_bits(req->dma)); 254 ext_addr = GPD_EXT_BUF(upper_32_bits(req->dma)); 255 gpd->buf_len = cpu_to_le16(req->length); 256 gpd->flag |= GPD_FLAGS_IOC; 257 258 /* get the next GPD */ 259 enq = advance_enq_gpd(ring); 260 enq_dma = gpd_virt_to_dma(ring, enq); > 261 dev_dbg(mep->mtu->dev, "TX-EP%d queue gpd=%p, enq=%p, qdma=%llx\n", 262 mep->epnum, gpd, enq, enq_dma); 263 264 enq->flag &= ~GPD_FLAGS_HWO; 265 gpd->next_gpd = cpu_to_le32(lower_32_bits(enq_dma)); 266 ext_addr |= GPD_EXT_NGP(upper_32_bits(enq_dma)); 267 gpd->tx_ext_addr = cpu_to_le16(ext_addr); 268 269 if (req->zero) 270 gpd->ext_flag |= GPD_EXT_FLAG_ZLP; 271 272 gpd->chksum = qmu_calc_checksum((u8 *)gpd); 273 gpd->flag |= GPD_FLAGS_HWO; 274 275 mreq->gpd = gpd; 276 277 return 0; 278 } 279 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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