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    SubjectRe: swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first use in this function)
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    On 10/1/21 4:49 AM, Naresh Kamboju wrote:
    > Following build errors noticed while building Linux next 20211001
    > with gcc-11 for powerpc architecture.
    >
    > kernel/sched/debug.c: In function 'print_cfs_group_stats':
    > kernel/sched/debug.c:460:41: warning: unused variable 'stats'
    > [-Wunused-variable]
    > 460 | struct sched_statistics *stats =
    > __schedstats_from_se(se);
    > | ^~~~~
    > In file included from include/linux/blkdev.h:6,
    > from include/linux/blk-mq.h:5,
    > from drivers/block/swim3.c:24:
    > drivers/block/swim3.c: In function 'swim3_attach':
    > drivers/block/swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first
    > use in this function)
    > 1200 | rc = register_blkdev(FLOPPY_MAJOR, "fd");
    > | ^~~~~~~~~~~~
    > include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev'
    > 276 | __register_blkdev(major, name, NULL)
    > | ^~~~~
    > drivers/block/swim3.c:1200:38: note: each undeclared identifier is
    > reported only once for each function it appears in
    > 1200 | rc = register_blkdev(FLOPPY_MAJOR, "fd");
    > | ^~~~~~~~~~~~
    > include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev'
    > 276 | __register_blkdev(major, name, NULL)
    > | ^~~~~
    > make[3]: *** [scripts/Makefile.build:288: drivers/block/swim3.o] Error 1
    > make[3]: Target '__build' not remade because of errors.
    > make[2]: *** [scripts/Makefile.build:571: drivers/block] Error 2
    > make[2]: Target '__build' not remade because of errors.
    > make[1]: *** [Makefile:2034: drivers] Error 2
    >
    > Build config:
    > https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/config
    >
    > Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
    >
    > meta data:
    > -----------
    > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
    > git_sha: a25006a77348ba06c7bc96520d331cd9dd370715
    > git_short_log: a25006a77348 (\"Add linux-next specific files for 20211001\")
    > kconfig: ppc6xx_defconfig
    > kernel_version: 5.15.0-rc3
    > target_arch: powerpc
    > toolchain: gcc-11
    >
    > steps to reproduce:
    > https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/tuxmake_reproducer.sh

    Does this fix it?


    diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
    index f7e3482e846b..4b91c9aa5892 100644
    --- a/drivers/block/swim3.c
    +++ b/drivers/block/swim3.c
    @@ -27,6 +27,7 @@
    #include <linux/module.h>
    #include <linux/spinlock.h>
    #include <linux/wait.h>
    +#include <linux/major.h>
    #include <asm/io.h>
    #include <asm/dbdma.h>
    #include <asm/prom.h>
    --
    Jens Axboe

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