tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: be978f8feb1d4678b941a3ccf181eea1039110e2 commit: 05596e9daf61b0965d525ce889d9414b49727b40 [7683/7824] iomap: constify ioreadX() iomem argument (as in generic implementation) config: x86_64-randconfig-s021-20200713 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-37-gc9676a3b-dirty git checkout 05596e9daf61b0965d525ce889d9414b49727b40 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/mailbox/bcm-pdc-mailbox.c:682:28: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:792:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:792:42: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:792:42: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:793:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:793:42: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:793:42: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1031:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1031:32: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1031:32: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1033:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1033:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1033:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1034:23: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1034:23: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1034:23: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1035:23: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1035:23: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1035:23: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1039:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1039:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1039:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1041:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1041:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1041:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1044:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1044:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1044:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1046:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1046:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1046:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1049:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1049:48: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1049:48: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1051:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1051:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1051:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1058:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1058:48: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1058:48: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1062:63: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1062:63: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1062:63: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1068:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1068:48: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1068:48: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1072:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1072:48: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1072:48: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1296:23: sparse: sparse: cast removes address space '__iomem' of expression drivers/mailbox/bcm-pdc-mailbox.c:1298:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/mailbox/bcm-pdc-mailbox.c:1301:16: sparse: sparse: cast removes address space '__iomem' of expression drivers/mailbox/bcm-pdc-mailbox.c:1308:27: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1308:27: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1308:27: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1313:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1313:32: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1313:32: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1316:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1316:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1316:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1319:23: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1319:23: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1319:23: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1320:23: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1320:23: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1320:23: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1337:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1337:32: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1337:32: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:1339:20: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned int * @@ drivers/mailbox/bcm-pdc-mailbox.c:1339:20: sparse: expected void [noderef] __iomem * drivers/mailbox/bcm-pdc-mailbox.c:1339:20: sparse: got unsigned int * drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addrlow @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: expected unsigned int [usertype] addrlow drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addrhigh @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: expected unsigned int [usertype] addrhigh drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] ctrl1 @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: expected unsigned int [usertype] ctrl1 drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] ctrl2 @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: expected unsigned int [usertype] ctrl2 drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addrlow @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: expected unsigned int [usertype] addrlow drivers/mailbox/bcm-pdc-mailbox.c:558:22: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addrhigh @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: expected unsigned int [usertype] addrhigh drivers/mailbox/bcm-pdc-mailbox.c:559:23: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] ctrl1 @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: expected unsigned int [usertype] ctrl1 drivers/mailbox/bcm-pdc-mailbox.c:560:20: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] ctrl2 @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: expected unsigned int [usertype] ctrl2 drivers/mailbox/bcm-pdc-mailbox.c:561:20: sparse: got restricted __le32 [usertype] drivers/mailbox/bcm-pdc-mailbox.c:530:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addrlow @@ got restricted __le32 [usertype] @@ drivers/mailbox/bcm-pdc-mailbox.c:530:22: sparse: expected unsigned int [usertype] addrlow drivers/mailbox/bcm-pdc-mailbox.c:530:22: sparse: got restricted __le32 [usertype] vim +682 drivers/mailbox/bcm-pdc-mailbox.c e004c7e7d3b873 Rob Rice 2016-11-14 667 e004c7e7d3b873 Rob Rice 2016-11-14 668 /** e004c7e7d3b873 Rob Rice 2016-11-14 669 * pdc_receive() - Process as many responses as are available in the rx ring. e004c7e7d3b873 Rob Rice 2016-11-14 670 * @pdcs: PDC state e004c7e7d3b873 Rob Rice 2016-11-14 671 * e004c7e7d3b873 Rob Rice 2016-11-14 672 * Called within the hard IRQ. e004c7e7d3b873 Rob Rice 2016-11-14 673 * Return: e004c7e7d3b873 Rob Rice 2016-11-14 674 */ e004c7e7d3b873 Rob Rice 2016-11-14 675 static int e004c7e7d3b873 Rob Rice 2016-11-14 676 pdc_receive(struct pdc_state *pdcs) e004c7e7d3b873 Rob Rice 2016-11-14 677 { e004c7e7d3b873 Rob Rice 2016-11-14 678 int rx_status; e004c7e7d3b873 Rob Rice 2016-11-14 679 e004c7e7d3b873 Rob Rice 2016-11-14 680 /* read last_rx_curr from register once */ e004c7e7d3b873 Rob Rice 2016-11-14 681 pdcs->last_rx_curr = cf17581340d730 Rob Rice 2016-11-14 @682 (ioread32(&pdcs->rxregs_64->status0) & e004c7e7d3b873 Rob Rice 2016-11-14 683 CRYPTO_D64_RS0_CD_MASK) / RING_ENTRY_SIZE; e004c7e7d3b873 Rob Rice 2016-11-14 684 e004c7e7d3b873 Rob Rice 2016-11-14 685 do { e004c7e7d3b873 Rob Rice 2016-11-14 686 /* Could be many frames ready */ e004c7e7d3b873 Rob Rice 2016-11-14 687 rx_status = pdc_receive_one(pdcs); e004c7e7d3b873 Rob Rice 2016-11-14 688 } while (rx_status == PDC_SUCCESS); e004c7e7d3b873 Rob Rice 2016-11-14 689 e004c7e7d3b873 Rob Rice 2016-11-14 690 return 0; a24532f8d17b72 Rob Rice 2016-06-30 691 } a24532f8d17b72 Rob Rice 2016-06-30 692 :::::: The code at line 682 was first introduced by commit :::::: cf17581340d730175f1f3f4ce6e90ae434154e37 mailbox: bcm-pdc: Remove unnecessary void* casts :::::: TO: Rob Rice <rob.rice(a)broadcom.com&gt; :::::: CC: Jassi Brar <jaswinder.singh(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org