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Subjectdrivers/net/ethernet/smsc/smc91x.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces)
Hi Thorsten,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8c06da67d0bd3139a97f301b4aa9c482b9d4f29e
commit: 5eefb477d21a26183bc3499aeefa991198315a2d net: smc91x: Fix m68k kernel compilation for ColdFire CPU
date: 2 days ago
config: m68k-randconfig-r123-20240516 (https://download.01.org/0day-ci/archive/20240516/202405160853.3qyaSj8w-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240516/202405160853.3qyaSj8w-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405160853.3qyaSj8w-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *a @@ got void [noderef] __iomem * @@
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: expected void *a
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: got void [noderef] __iomem *
>> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *a @@ got void [noderef] __iomem * @@
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: expected void *a
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: got void [noderef] __iomem *
>> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *a @@ got void [noderef] __iomem * @@
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: expected void *a
drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: got void [noderef] __iomem *
drivers/net/ethernet/smsc/smc91x.c:483:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *a @@ got void [noderef] __iomem * @@
drivers/net/ethernet/smsc/smc91x.c:483:17: sparse: expected void *a
drivers/net/ethernet/smsc/smc91x.c:483:17: sparse: got void [noderef] __iomem *

vim +590 drivers/net/ethernet/smsc/smc91x.c

^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 535
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 536 /*
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 537 * This is called to actually send a packet to the chip.
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 538 */
7961fb1089f826 drivers/net/ethernet/smsc/smc91x.c Allen Pais 2020-09-14 539 static void smc_hardware_send_pkt(struct tasklet_struct *t)
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 540 {
7961fb1089f826 drivers/net/ethernet/smsc/smc91x.c Allen Pais 2020-09-14 541 struct smc_local *lp = from_tasklet(lp, t, tx_task);
7961fb1089f826 drivers/net/ethernet/smsc/smc91x.c Allen Pais 2020-09-14 542 struct net_device *dev = lp->dev;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 543 void __iomem *ioaddr = lp->base;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 544 struct sk_buff *skb;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 545 unsigned int packet_no, len;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 546 unsigned char *buf;
8ff499e43c5376 drivers/net/smc91x.c Dongdong Deng 2009-08-23 547 unsigned long flags;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 548
6389aa458ed995 drivers/net/ethernet/smsc/smc91x.c Ben Boeckel 2013-11-01 549 DBG(3, dev, "%s\n", __func__);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 550
8ff499e43c5376 drivers/net/smc91x.c Dongdong Deng 2009-08-23 551 if (!smc_special_trylock(&lp->lock, flags)) {
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 552 netif_stop_queue(dev);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 553 tasklet_schedule(&lp->tx_task);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 554 return;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 555 }
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 556
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 557 skb = lp->pending_tx_skb;
be83668a253149 drivers/net/smc91x.c Nicolas Pitre 2005-06-19 558 if (unlikely(!skb)) {
8ff499e43c5376 drivers/net/smc91x.c Dongdong Deng 2009-08-23 559 smc_special_unlock(&lp->lock, flags);
be83668a253149 drivers/net/smc91x.c Nicolas Pitre 2005-06-19 560 return;
be83668a253149 drivers/net/smc91x.c Nicolas Pitre 2005-06-19 561 }
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 562 lp->pending_tx_skb = NULL;
be83668a253149 drivers/net/smc91x.c Nicolas Pitre 2005-06-19 563
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 564 packet_no = SMC_GET_AR(lp);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 565 if (unlikely(packet_no & AR_FAILED)) {
6389aa458ed995 drivers/net/ethernet/smsc/smc91x.c Ben Boeckel 2013-11-01 566 netdev_err(dev, "Memory allocation failed.\n");
09f75cd7bf1372 drivers/net/smc91x.c Jeff Garzik 2007-10-03 567 dev->stats.tx_errors++;
09f75cd7bf1372 drivers/net/smc91x.c Jeff Garzik 2007-10-03 568 dev->stats.tx_fifo_errors++;
8ff499e43c5376 drivers/net/smc91x.c Dongdong Deng 2009-08-23 569 smc_special_unlock(&lp->lock, flags);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 570 goto done;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 571 }
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 572
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 573 /* point to the beginning of the packet */
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 574 SMC_SET_PN(lp, packet_no);
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 575 SMC_SET_PTR(lp, PTR_AUTOINC);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 576
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 577 buf = skb->data;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 578 len = skb->len;
6389aa458ed995 drivers/net/ethernet/smsc/smc91x.c Ben Boeckel 2013-11-01 579 DBG(2, dev, "TX PNR 0x%x LENGTH 0x%04x (%d) BUF 0x%p\n",
6389aa458ed995 drivers/net/ethernet/smsc/smc91x.c Ben Boeckel 2013-11-01 580 packet_no, len, len, buf);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 581 PRINT_PKT(buf, len);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 582
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 583 /*
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 584 * Send the packet length (+6 for status words, length, and ctl.
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 585 * The card will pad to 64 bytes with zeroes if packet is too small.
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 586 */
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 587 SMC_PUT_PKT_HDR(lp, 0, len + 6);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 588
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 589 /* send the actual data */
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 @590 SMC_PUSH_DATA(lp, buf, len & ~1);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 591
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 592 /* Send final ctl word with the last byte if there is one */
d09d747ae4c25a drivers/net/ethernet/smsc/smc91x.c Robert Jarzmik 2016-10-17 593 SMC_outw(lp, ((len & 1) ? (0x2000 | buf[len - 1]) : 0), ioaddr,
d09d747ae4c25a drivers/net/ethernet/smsc/smc91x.c Robert Jarzmik 2016-10-17 594 DATA_REG(lp));
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 595
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 596 /*
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 597 * If THROTTLE_TX_PKTS is set, we stop the queue here. This will
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 598 * have the effect of having at most one packet queued for TX
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 599 * in the chip's memory at all time.
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 600 *
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 601 * If THROTTLE_TX_PKTS is not set then the queue is stopped only
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 602 * when memory allocation (MC_ALLOC) does not succeed right away.
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 603 */
ea9375607f8b31 drivers/net/smc91x.c Nicolas Pitre 2005-04-12 604 if (THROTTLE_TX_PKTS)
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 605 netif_stop_queue(dev);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 606
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 607 /* queue the packet for TX */
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 608 SMC_SET_MMU_CMD(lp, MC_ENQUEUE);
8ff499e43c5376 drivers/net/smc91x.c Dongdong Deng 2009-08-23 609 smc_special_unlock(&lp->lock, flags);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 610
860e9538a9482b drivers/net/ethernet/smsc/smc91x.c Florian Westphal 2016-05-03 611 netif_trans_update(dev);
09f75cd7bf1372 drivers/net/smc91x.c Jeff Garzik 2007-10-03 612 dev->stats.tx_packets++;
09f75cd7bf1372 drivers/net/smc91x.c Jeff Garzik 2007-10-03 613 dev->stats.tx_bytes += len;
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 614
cfdfa86536d2fb drivers/net/smc91x.c Magnus Damm 2008-02-22 615 SMC_ENABLE_INT(lp, IM_TX_INT | IM_TX_EMPTY_INT);
^1da177e4c3f41 drivers/net/smc91x.c Linus Torvalds 2005-04-16 616

:::::: The code at line 590 was first introduced by commit
:::::: cfdfa86536d2fbc8102780ec15faea185e957d3d smc91x: pass along private data V2

:::::: TO: Magnus Damm <magnus.damm@gmail.com>
:::::: CC: Jeff Garzik <jeff@garzik.org>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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