CC: [email protected] CC: [email protected] CC: [email protected] TO: "Marek Behún" <[email protected]> CC: Lorenzo Pieralisi <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a763d5a5abd65797aec3dd1bf01fe2ccbec32967 commit: 464de7e7fff767e87429cd7be09c4f2cb50a6ccb PCI: aardvark: Don't spam about PIO Response Status date: 9 weeks ago :::::: branch date: 5 hours ago :::::: commit date: 9 weeks ago config: riscv-randconfig-c006-20211130 (https://download.01.org/0day-ci/archive/20211212/[email protected]/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=464de7e7fff767e87429cd7be09c4f2cb50a6ccb git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 464de7e7fff767e87429cd7be09c4f2cb50a6ccb # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^~~~~~~~~~~~~~~~~ fs/mpage.c:526:8: note: Left side of '||' is false fs/mpage.c:526:29: note: Assuming the condition is false if (!buffer_dirty(bh) || !buffer_uptodate(bh)) ^~~~~~~~~~~~~~~~~~~~ fs/mpage.c:526:4: note: Taking false branch if (!buffer_dirty(bh) || !buffer_uptodate(bh)) ^ fs/mpage.c:528:8: note: 'page_block' is 0 if (page_block) { ^~~~~~~~~~ fs/mpage.c:528:4: note: Taking false branch if (page_block) { ^ fs/mpage.c:534:8: note: Assuming 'boundary' is 0 if (boundary) { ^~~~~~~~ fs/mpage.c:534:4: note: Taking false branch if (boundary) { ^ fs/mpage.c:539:12: note: Assuming the condition is false } while ((bh = bh->b_this_page) != head); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/mpage.c:509:3: note: Loop condition is false. Exiting loop do { ^ fs/mpage.c:541:7: note: Assuming 'first_unmapped' is not equal to 0 if (first_unmapped) ^~~~~~~~~~~~~~ fs/mpage.c:541:3: note: Taking true branch if (first_unmapped) ^ fs/mpage.c:542:4: note: Control jumps to line 588 goto page_is_mapped; ^ fs/mpage.c:589:6: note: Assuming 'end_index' is > field 'index' if (page->index >= end_index) { ^~~~~~~~~~~~~~~~~~~~~~~~ fs/mpage.c:589:2: note: Taking false branch if (page->index >= end_index) { ^ fs/mpage.c:608:6: note: Assuming 'bio' is non-null if (bio && mpd->last_block_in_bio != blocks[0] - 1) ^~~ fs/mpage.c:608:6: note: Left side of '&&' is true fs/mpage.c:608:13: note: Assuming the condition is false if (bio && mpd->last_block_in_bio != blocks[0] - 1) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/mpage.c:608:2: note: Taking false branch if (bio && mpd->last_block_in_bio != blocks[0] - 1) ^ fs/mpage.c:612:6: note: 'bio' is not equal to NULL if (bio == NULL) { ^~~ fs/mpage.c:612:2: note: Taking false branch if (bio == NULL) { ^ fs/mpage.c:634:6: note: Assuming the condition is false if (bio_add_page(bio, page, length, 0) < length) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/mpage.c:634:2: note: Taking false branch if (bio_add_page(bio, page, length, 0) < length) { ^ fs/mpage.c:641:2: note: Assuming the condition is true BUG_ON(PageWriteback(page)); ^ include/asm-generic/bug.h:65:36: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:78:40: note: expanded from macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^~~~ fs/mpage.c:641:2: note: Taking false branch BUG_ON(PageWriteback(page)); ^ include/asm-generic/bug.h:65:32: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^ fs/mpage.c:641:2: note: Loop condition is false. Exiting loop BUG_ON(PageWriteback(page)); ^ include/asm-generic/bug.h:65:27: note: expanded from macro 'BUG_ON' #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0) ^ fs/mpage.c:644:6: note: 'boundary' is 0 if (boundary || (first_unmapped != blocks_per_page)) { ^~~~~~~~ fs/mpage.c:644:6: note: Left side of '||' is false fs/mpage.c:644:19: note: 'first_unmapped' is equal to 'blocks_per_page' if (boundary || (first_unmapped != blocks_per_page)) { ^~~~~~~~~~~~~~ fs/mpage.c:644:2: note: Taking false branch if (boundary || (first_unmapped != blocks_per_page)) { ^ fs/mpage.c:651:26: note: Assigned value is garbage or undefined mpd->last_block_in_bio = blocks[blocks_per_page - 1]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 5 warnings generated. >> drivers/pci/controller/pci-aardvark.c:595:17: warning: Value stored to 'dev' >> during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = &pcie->pdev->dev; ^~~ ~~~~~~~~~~~~~~~~ drivers/pci/controller/pci-aardvark.c:595:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = &pcie->pdev->dev; ^~~ ~~~~~~~~~~~~~~~~ >> drivers/pci/controller/pci-aardvark.c:682:3: warning: Value stored to >> 'str_posted' is never read [clang-analyzer-deadcode.DeadStores] str_posted = "Non-posted"; ^ ~~~~~~~~~~~~ drivers/pci/controller/pci-aardvark.c:682:3: note: Value stored to 'str_posted' is never read str_posted = "Non-posted"; ^ ~~~~~~~~~~~~ drivers/pci/controller/pci-aardvark.c:684:3: warning: Value stored to 'str_posted' is never read [clang-analyzer-deadcode.DeadStores] str_posted = "Posted"; ^ ~~~~~~~~ drivers/pci/controller/pci-aardvark.c:684:3: note: Value stored to 'str_posted' is never read str_posted = "Posted"; ^ ~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (2 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. include/linux/list.h:135:13: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] __list_del(entry->prev, entry->next); ^ drivers/dma/tegra20-apb-dma.c:1329:2: note: Loop condition is false. Exiting loop dev_dbg(tdc2dev(tdc), "Freeing channel %d\n", tdc->id); ^ include/linux/dev_printk.h:158:2: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__) ^ include/linux/dev_printk.h:128:3: note: expanded from macro 'dev_printk' dev_printk_index_emit(level, fmt); \ ^ include/linux/dev_printk.h:105:2: note: expanded from macro 'dev_printk_index_emit' printk_index_subsys_emit("%s %s: ", level, fmt) ^ include/linux/printk.h:413:2: note: expanded from macro 'printk_index_subsys_emit' __printk_index_emit(fmt, level, subsys_fmt_prefix) ^ include/linux/printk.h:392:34: note: expanded from macro '__printk_index_emit' #define __printk_index_emit(...) do {} while (0) ^ drivers/dma/tegra20-apb-dma.c:1341:2: note: Loop condition is true. Entering loop body while (!list_empty(&dma_desc_list)) { ^ drivers/dma/tegra20-apb-dma.c:1342:14: note: Left side of '&&' is false dma_desc = list_first_entry(&dma_desc_list, typeof(*dma_desc), ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:61: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ drivers/dma/tegra20-apb-dma.c:1342:14: note: Taking false branch dma_desc = list_first_entry(&dma_desc_list, typeof(*dma_desc), ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:302:3: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^ drivers/dma/tegra20-apb-dma.c:1342:14: note: Loop condition is false. Exiting loop dma_desc = list_first_entry(&dma_desc_list, typeof(*dma_desc), ^ include/linux/list.h:522:2: note: expanded from macro 'list_first_entry' list_entry((ptr)->next, type, member) ^ include/linux/list.h:511:2: note: expanded from macro 'list_entry' container_of(ptr, type, member) ^ include/linux/kernel.h:495:2: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:300:2: note: expanded from macro '__compiletime_assert' do { \ ^ vim +/dev +595 drivers/pci/controller/pci-aardvark.c 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 592 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 593 static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u32 *val) 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 594 { 9aec2feaf787a7 drivers/pci/host/pci-aardvark.c Bjorn Helgaas 2016-10-06 @595 struct device *dev = &pcie->pdev->dev; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 596 u32 reg; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 597 unsigned int status; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 598 char *strcomp_status, *str_posted; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 599 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 600 reg = advk_readl(pcie, PIO_STAT); 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 601 status = (reg & PIO_COMPLETION_STATUS_MASK) >> 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 602 PIO_COMPLETION_STATUS_SHIFT; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 603 fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 604 /* fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 605 * According to HW spec, the PIO status check sequence as below: fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 606 * 1) even if COMPLETION_STATUS(bit9:7) indicates successful, fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 607 * it still needs to check Error Status(bit11), only when this bit fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 608 * indicates no error happen, the operation is successful. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 609 * 2) value Unsupported Request(1) of COMPLETION_STATUS(bit9:7) only fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 610 * means a PIO write error, and for PIO read it is successful with fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 611 * a read value of 0xFFFFFFFF. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 612 * 3) value Completion Retry Status(CRS) of COMPLETION_STATUS(bit9:7) fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 613 * only means a PIO write error, and for PIO read it is successful fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 614 * with a read value of 0xFFFF0001. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 615 * 4) value Completer Abort (CA) of COMPLETION_STATUS(bit9:7) means fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 616 * error for both PIO read and PIO write operation. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 617 * 5) other errors are indicated as 'unknown'. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 618 */ 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 619 switch (status) { fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 620 case PIO_COMPLETION_STATUS_OK: fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 621 if (reg & PIO_ERR_STATUS) { fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 622 strcomp_status = "COMP_ERR"; fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 623 break; fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 624 } fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 625 /* Get the read result */ fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 626 if (val) fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 627 *val = advk_readl(pcie, PIO_RD_DATA); fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 628 /* No error */ fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 629 strcomp_status = NULL; fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 630 break; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 631 case PIO_COMPLETION_STATUS_UR: 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 632 strcomp_status = "UR"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 633 break; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 634 case PIO_COMPLETION_STATUS_CRS: 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 635 if (allow_crs && val) { 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 636 /* PCIe r4.0, sec 2.3.2, says: 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 637 * If CRS Software Visibility is enabled: 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 638 * For a Configuration Read Request that includes both 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 639 * bytes of the Vendor ID field of a device Function's 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 640 * Configuration Space Header, the Root Complex must 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 641 * complete the Request to the host by returning a 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 642 * read-data value of 0001h for the Vendor ID field and 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 643 * all '1's for any additional bytes included in the 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 644 * request. 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 645 * 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 646 * So CRS in this case is not an error status. 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 647 */ 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 648 *val = CFG_RD_CRS_VAL; 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 649 strcomp_status = NULL; 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 650 break; 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 651 } fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 652 /* PCIe r4.0, sec 2.3.2, says: fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 653 * If CRS Software Visibility is not enabled, the Root Complex fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 654 * must re-issue the Configuration Request as a new Request. 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 655 * If CRS Software Visibility is enabled: For a Configuration 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 656 * Write Request or for any other Configuration Read Request, 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 657 * the Root Complex must re-issue the Configuration Request as 43f5c77bcbd27c drivers/pci/controller/pci-aardvark.c Pali Rohár 2021-07-22 658 * a new Request. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 659 * A Root Complex implementation may choose to limit the number fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 660 * of Configuration Request/CRS Completion Status loops before fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 661 * determining that something is wrong with the target of the fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 662 * Request and taking appropriate action, e.g., complete the fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 663 * Request to the host as a failed transaction. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 664 * fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 665 * To simplify implementation do not re-issue the Configuration fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 666 * Request and complete the Request as a failed transaction. fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 667 */ 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 668 strcomp_status = "CRS"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 669 break; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 670 case PIO_COMPLETION_STATUS_CA: 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 671 strcomp_status = "CA"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 672 break; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 673 default: 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 674 strcomp_status = "Unknown"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 675 break; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 676 } 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 677 fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 678 if (!strcomp_status) fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 679 return 0; fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 680 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 681 if (reg & PIO_NON_POSTED_REQ) 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 @682 str_posted = "Non-posted"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 683 else 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 684 str_posted = "Posted"; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 685 464de7e7fff767 drivers/pci/controller/pci-aardvark.c Marek Behún 2021-10-05 686 dev_dbg(dev, "%s PIO Response Status: %s, %#x @ %#x\n", 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 687 str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS)); fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 688 fcb461e2bc8b83 drivers/pci/controller/pci-aardvark.c Evan Wang 2021-07-22 689 return -EFAULT; 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 690 } 8c39d710363c14 drivers/pci/host/pci-aardvark.c Thomas Petazzoni 2016-06-30 691 :::::: The code at line 595 was first introduced by commit :::::: 9aec2feaf787a766f802172e9021c7422029bc64 PCI: aardvark: Add local struct device pointers :::::: TO: Bjorn Helgaas <[email protected]> :::::: CC: Bjorn Helgaas <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
