tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8 commit: 1062fc45d1e93faefb93961f3be0a687f3f0e2e1 MIPS: Loongson64: Select SMP in Kconfig to avoid build error date: 5 months ago config: mips-randconfig-r011-20210301 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b077d82b00d81934c7c27ac89dd8b0e7f448bded) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1062fc45d1e93faefb93961f3be0a687f3f0e2e1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 1062fc45d1e93faefb93961f3be0a687f3f0e2e1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:6: In file included from include/linux/pci.h:1439: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:208:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:10: In file included from include/linux/skbuff.h:28: In file included from include/net/checksum.h:22: arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') : "0" ((__force unsigned long)daddr), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:15: In file included from drivers/net/wireless/quantenna/qtnfmac/bus.h:7: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] } while (cmpxchg(&n->state, val, new) != val); ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:15: In file included from drivers/net/wireless/quantenna/qtnfmac/bus.h:7: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:15: In file included from drivers/net/wireless/quantenna/qtnfmac/bus.h:11: In file included from drivers/net/wireless/quantenna/qtnfmac/core.h:15: In file included from include/net/sock.h:61: include/linux/poll.h:142:27: warning: division by zero is undefined [-Wdivision-by-zero] M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | ^~~~~~~~~ include/linux/poll.h:140:32: note: expanded from macro 'M' #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:126:51: note: expanded from macro '__MAP' (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) ^ ~~~~~~~~~ include/linux/poll.h:142:39: warning: division by zero is undefined [-Wdivision-by-zero] M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | ^~~~~~~~~ include/linux/poll.h:140:32: note: expanded from macro 'M' #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:126:51: note: expanded from macro '__MAP' (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) ^ ~~~~~~~~~ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:15: In file included from drivers/net/wireless/quantenna/qtnfmac/bus.h:11: In file included from drivers/net/wireless/quantenna/qtnfmac/core.h:15: include/net/sock.h:1971:12: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:16: In file included from drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h:15: In file included from drivers/net/wireless/quantenna/qtnfmac/bus.h:11: In file included from drivers/net/wireless/quantenna/qtnfmac/core.h:15: include/net/sock.h:2219:8: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] err = xchg(&sk->sk_err, 0); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ >> drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:233:24: warning: >> taking address of packed member 'param1' of class or structure >> 'qtnf_extra_bd_params' may result in an unaligned pointer value >> [-Waddress-of-packed-member] ts->ep_next_rx_pkt = &extra_params->param1; ^~~~~~~~~~~~~~~~~~~~ >> drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:236:22: warning: >> taking address of packed member 'param2' of class or structure >> 'qtnf_extra_bd_params' may result in an unaligned pointer value >> [-Waddress-of-packed-member] ts->txqueue_wake = &extra_params->param2; ^~~~~~~~~~~~~~~~~~~~ >> drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c:237:20: warning: >> taking address of packed member 'param3' of class or structure >> 'qtnf_extra_bd_params' may result in an unaligned pointer value >> [-Waddress-of-packed-member] ts->ep_pmstate = &extra_params->param3; ^~~~~~~~~~~~~~~~~~~~ 21 warnings and 1 error generated. -- In file included from include/linux/rculist.h:11: In file included from include/linux/rcupdate.h:29: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:15: In file included from include/linux/smp_types.h:5: include/linux/llist.h:222:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&head->first, NULL); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:64: In file included from include/linux/sched.h:14: In file included from include/linux/pid.h:5: In file included from include/linux/rculist.h:11: In file included from include/linux/rcupdate.h:29: In file included from include/linux/lockdep.h:27: include/linux/debug_locks.h:17:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&debug_locks, 0); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:69: In file included from drivers/net/wireless/intel/iwlwifi/iwl-io.h:61: In file included from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:15: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:13: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:208:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL); ^ arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:69: In file included from drivers/net/wireless/intel/iwlwifi/iwl-io.h:61: In file included from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:15: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:13: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:208:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:69: In file included from drivers/net/wireless/intel/iwlwifi/iwl-io.h:61: In file included from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:15: In file included from include/linux/skbuff.h:28: In file included from include/net/checksum.h:22: arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') : "0" ((__force unsigned long)daddr), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:69: In file included from drivers/net/wireless/intel/iwlwifi/iwl-io.h:61: In file included from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:16: In file included from include/linux/ieee80211.h:20: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] } while (cmpxchg(&n->state, val, new) != val); ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:69: In file included from drivers/net/wireless/intel/iwlwifi/iwl-io.h:61: In file included from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:16: In file included from include/linux/ieee80211.h:20: In file included from include/linux/etherdevice.h:21: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:70: >> drivers/net/wireless/intel/iwlwifi/pcie/internal.h:273:20: warning: taking >> address of packed member 'closed_rb_num' of class or structure >> 'iwl_rb_status' may result in an unaligned pointer value >> [-Waddress-of-packed-member] return READ_ONCE(rb_stts->closed_rb_num); ^~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:50:14: note: expanded from macro 'READ_ONCE' __READ_ONCE(x); \ ^ include/asm-generic/rwonce.h:44:72: note: expanded from macro '__READ_ONCE' #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) ^ 15 warnings and 1 error generated. -- In file included from include/linux/pid.h:5: In file included from include/linux/rculist.h:11: In file included from include/linux/rcupdate.h:29: In file included from include/linux/lockdep.h:14: In file included from include/linux/smp.h:15: In file included from include/linux/smp_types.h:5: include/linux/llist.h:222:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&head->first, NULL); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:64: In file included from include/linux/devcoredump.h:8: In file included from include/linux/device.h:15: In file included from include/linux/dev_printk.h:16: In file included from include/linux/ratelimit.h:6: In file included from include/linux/sched.h:14: In file included from include/linux/pid.h:5: In file included from include/linux/rculist.h:11: In file included from include/linux/rcupdate.h:29: In file included from include/linux/lockdep.h:27: include/linux/debug_locks.h:17:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] return xchg(&debug_locks, 0); ^ arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:64: In file included from include/linux/devcoredump.h:12: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:208:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL); ^ arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:64: In file included from include/linux/devcoredump.h:12: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:33: In file included from include/linux/pgtable.h:6: arch/mips/include/asm/pgtable.h:208:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64' cmpxchg((ptr), (o), (n)); \ ^ arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:66: In file included from drivers/net/wireless/intel/iwlwifi/fw/runtime.h:63: In file included from drivers/net/wireless/intel/iwlwifi/iwl-config.h:64: In file included from include/linux/netdevice.h:37: In file included from include/linux/ethtool.h:18: In file included from include/uapi/linux/ethtool.h:19: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:28: In file included from include/net/checksum.h:22: arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') : "0" ((__force unsigned long)daddr), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:66: In file included from drivers/net/wireless/intel/iwlwifi/fw/runtime.h:63: In file included from drivers/net/wireless/intel/iwlwifi/iwl-config.h:64: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] } while (cmpxchg(&n->state, val, new) != val); ^ arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ In file included from drivers/net/wireless/intel/iwlwifi/fw/dbg.c:66: In file included from drivers/net/wireless/intel/iwlwifi/fw/runtime.h:63: In file included from drivers/net/wireless/intel/iwlwifi/iwl-config.h:64: include/linux/netdevice.h:567:11: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare] arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg' if (!__SYNC_loongson3_war) \ ^ arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war' # define __SYNC_loongson3_war (1 << 31) ^ >> drivers/net/wireless/intel/iwlwifi/fw/dbg.c:1940:17: warning: taking address >> of packed member 'list' of class or structure 'iwl_fw_ini_dump_entry' may >> result in an unaligned pointer value [-Waddress-of-packed-member] list_add_tail(&entry->list, list); ^~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2046:12: warning: taking address of packed member 'list' of class or structure 'iwl_fw_ini_dump_entry' may result in an unaligned pointer value [-Waddress-of-packed-member] list_add(&entry->list, list); ^~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2219:12: warning: taking address of packed member 'list' of class or structure 'iwl_fw_ini_dump_entry' may result in an unaligned pointer value [-Waddress-of-packed-member] list_add(&entry->list, list); ^~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2286:13: warning: taking address of packed member 'list' of class or structure 'iwl_fw_ini_dump_entry' may result in an unaligned pointer value [-Waddress-of-packed-member] list_del(&entry->list); ^~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/fw/dbg.c:2314:23: warning: taking address of packed member 'list' of class or structure 'iwl_fw_ini_dump_entry' may result in an unaligned pointer value [-Waddress-of-packed-member] list_for_each_entry(entry, &dump_list, list) { ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:620:8: note: expanded from macro 'list_for_each_entry' &pos->member != (head); \ ^~~~~~~~~~~ 19 warnings and 1 error generated. .. vim +233 drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c e401fa25cfa23d Sergey Matyukevich 2018-10-16 182 e401fa25cfa23d Sergey Matyukevich 2018-10-16 183 static int topaz_alloc_bd_table(struct qtnf_pcie_topaz_state *ts, e401fa25cfa23d Sergey Matyukevich 2018-10-16 184 struct qtnf_topaz_bda __iomem *bda) e401fa25cfa23d Sergey Matyukevich 2018-10-16 185 { e401fa25cfa23d Sergey Matyukevich 2018-10-16 186 struct qtnf_extra_bd_params __iomem *extra_params; e401fa25cfa23d Sergey Matyukevich 2018-10-16 187 struct qtnf_pcie_bus_priv *priv = &ts->base; e401fa25cfa23d Sergey Matyukevich 2018-10-16 188 dma_addr_t paddr; e401fa25cfa23d Sergey Matyukevich 2018-10-16 189 void *vaddr; e401fa25cfa23d Sergey Matyukevich 2018-10-16 190 int len; e401fa25cfa23d Sergey Matyukevich 2018-10-16 191 int i; e401fa25cfa23d Sergey Matyukevich 2018-10-16 192 e401fa25cfa23d Sergey Matyukevich 2018-10-16 193 /* bd table */ e401fa25cfa23d Sergey Matyukevich 2018-10-16 194 e401fa25cfa23d Sergey Matyukevich 2018-10-16 195 len = priv->tx_bd_num * sizeof(struct qtnf_topaz_tx_bd) + e401fa25cfa23d Sergey Matyukevich 2018-10-16 196 priv->rx_bd_num * sizeof(struct qtnf_topaz_rx_bd) + e401fa25cfa23d Sergey Matyukevich 2018-10-16 197 sizeof(struct qtnf_extra_bd_params); e401fa25cfa23d Sergey Matyukevich 2018-10-16 198 e401fa25cfa23d Sergey Matyukevich 2018-10-16 199 vaddr = dmam_alloc_coherent(&priv->pdev->dev, len, &paddr, GFP_KERNEL); e401fa25cfa23d Sergey Matyukevich 2018-10-16 200 if (!vaddr) e401fa25cfa23d Sergey Matyukevich 2018-10-16 201 return -ENOMEM; e401fa25cfa23d Sergey Matyukevich 2018-10-16 202 e401fa25cfa23d Sergey Matyukevich 2018-10-16 203 /* tx bd */ e401fa25cfa23d Sergey Matyukevich 2018-10-16 204 e401fa25cfa23d Sergey Matyukevich 2018-10-16 205 ts->tx_bd_vbase = vaddr; e401fa25cfa23d Sergey Matyukevich 2018-10-16 206 qtnf_non_posted_write(paddr, &bda->bda_rc_tx_bd_base); e401fa25cfa23d Sergey Matyukevich 2018-10-16 207 e401fa25cfa23d Sergey Matyukevich 2018-10-16 208 for (i = 0; i < priv->tx_bd_num; i++) e401fa25cfa23d Sergey Matyukevich 2018-10-16 209 ts->tx_bd_vbase[i].info |= cpu_to_le32(QTN_BD_EMPTY); e401fa25cfa23d Sergey Matyukevich 2018-10-16 210 e401fa25cfa23d Sergey Matyukevich 2018-10-16 211 pr_debug("TX descriptor table: vaddr=0x%p paddr=%pad\n", vaddr, &paddr); e401fa25cfa23d Sergey Matyukevich 2018-10-16 212 e401fa25cfa23d Sergey Matyukevich 2018-10-16 213 priv->tx_bd_r_index = 0; e401fa25cfa23d Sergey Matyukevich 2018-10-16 214 priv->tx_bd_w_index = 0; e401fa25cfa23d Sergey Matyukevich 2018-10-16 215 e401fa25cfa23d Sergey Matyukevich 2018-10-16 216 /* rx bd */ e401fa25cfa23d Sergey Matyukevich 2018-10-16 217 e401fa25cfa23d Sergey Matyukevich 2018-10-16 218 vaddr = ((struct qtnf_topaz_tx_bd *)vaddr) + priv->tx_bd_num; e401fa25cfa23d Sergey Matyukevich 2018-10-16 219 paddr += priv->tx_bd_num * sizeof(struct qtnf_topaz_tx_bd); e401fa25cfa23d Sergey Matyukevich 2018-10-16 220 e401fa25cfa23d Sergey Matyukevich 2018-10-16 221 ts->rx_bd_vbase = vaddr; e401fa25cfa23d Sergey Matyukevich 2018-10-16 222 qtnf_non_posted_write(paddr, &bda->bda_rc_rx_bd_base); e401fa25cfa23d Sergey Matyukevich 2018-10-16 223 e401fa25cfa23d Sergey Matyukevich 2018-10-16 224 pr_debug("RX descriptor table: vaddr=0x%p paddr=%pad\n", vaddr, &paddr); e401fa25cfa23d Sergey Matyukevich 2018-10-16 225 e401fa25cfa23d Sergey Matyukevich 2018-10-16 226 /* extra shared params */ e401fa25cfa23d Sergey Matyukevich 2018-10-16 227 e401fa25cfa23d Sergey Matyukevich 2018-10-16 228 vaddr = ((struct qtnf_topaz_rx_bd *)vaddr) + priv->rx_bd_num; e401fa25cfa23d Sergey Matyukevich 2018-10-16 229 paddr += priv->rx_bd_num * sizeof(struct qtnf_topaz_rx_bd); e401fa25cfa23d Sergey Matyukevich 2018-10-16 230 e401fa25cfa23d Sergey Matyukevich 2018-10-16 231 extra_params = (struct qtnf_extra_bd_params __iomem *)vaddr; e401fa25cfa23d Sergey Matyukevich 2018-10-16 232 e401fa25cfa23d Sergey Matyukevich 2018-10-16 @233 ts->ep_next_rx_pkt = &extra_params->param1; e401fa25cfa23d Sergey Matyukevich 2018-10-16 234 qtnf_non_posted_write(paddr + QTNF_BD_PARAM_OFFSET(1), e401fa25cfa23d Sergey Matyukevich 2018-10-16 235 &bda->bda_ep_next_pkt); e401fa25cfa23d Sergey Matyukevich 2018-10-16 @236 ts->txqueue_wake = &extra_params->param2; e401fa25cfa23d Sergey Matyukevich 2018-10-16 @237 ts->ep_pmstate = &extra_params->param3; e401fa25cfa23d Sergey Matyukevich 2018-10-16 238 ts->dma_msi_dummy = paddr + QTNF_BD_PARAM_OFFSET(4); e401fa25cfa23d Sergey Matyukevich 2018-10-16 239 e401fa25cfa23d Sergey Matyukevich 2018-10-16 240 return 0; e401fa25cfa23d Sergey Matyukevich 2018-10-16 241 } e401fa25cfa23d Sergey Matyukevich 2018-10-16 242 :::::: The code at line 233 was first introduced by commit :::::: e401fa25cfa23df8b17960a656ff11f49facae84 qtnfmac: add support for Topaz chipsets :::::: TO: Sergey Matyukevich <[email protected]> :::::: CC: Kalle Valo <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
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