From: YueHaibing <yuehaibing@huawei.com> To: <dan.j.williams@intel.com>, <vishal.l.verma@intel.com>, <dave.jiang@intel.com>, <ira.weiny@intel.com>, <aneesh.kumar@linux.ibm.com>, <jmoyer@redhat.com> Cc: linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org, YueHaibing <yuehaibing@huawei.com> Subject: [PATCH -next] libnvdimm/region: Fix build error Date: Mon, 30 Mar 2020 22:19:43 +0800 [thread overview] Message-ID: <20200330141943.31696-1-yuehaibing@huawei.com> (raw) On CONFIG_PPC32=y build fails: drivers/nvdimm/region_devs.c:1034:14: note: in expansion of macro ‘do_div’ remainder = do_div(per_mapping, mappings); ^~~~~~ In file included from ./arch/powerpc/include/generated/asm/div64.h:1:0, from ./include/linux/kernel.h:18, from ./include/asm-generic/bug.h:19, from ./arch/powerpc/include/asm/bug.h:109, from ./include/linux/bug.h:5, from ./include/linux/scatterlist.h:7, from drivers/nvdimm/region_devs.c:5: ./include/asm-generic/div64.h:243:22: error: passing argument 1 of ‘__div64_32’ from incompatible pointer type [-Werror=incompatible-pointer-types] __rem = __div64_32(&(n), __base); \ Use div_u64 instead of do_div to fix this. Fixes: 2522afb86a8c ("libnvdimm/region: Introduce an 'align' attribute") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/nvdimm/region_devs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index bf239e783940..2291f0649d27 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -564,7 +564,7 @@ static ssize_t align_store(struct device *dev, * space for the namespace. */ dpa = val; - remainder = do_div(dpa, nd_region->ndr_mappings); + remainder = div_u64(dpa, nd_region->ndr_mappings); if (!is_power_of_2(dpa) || dpa < PAGE_SIZE || val > region_size(nd_region) || remainder) return -EINVAL; @@ -1031,7 +1031,7 @@ static unsigned long default_align(struct nd_region *nd_region) mappings = max_t(u16, 1, nd_region->ndr_mappings); per_mapping = align; - remainder = do_div(per_mapping, mappings); + remainder = div_u64(per_mapping, mappings); if (remainder) align *= mappings; -- 2.17.1 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
WARNING: multiple messages have this Message-ID (diff)
From: YueHaibing <yuehaibing@huawei.com> To: <dan.j.williams@intel.com>, <vishal.l.verma@intel.com>, <dave.jiang@intel.com>, <ira.weiny@intel.com>, <aneesh.kumar@linux.ibm.com>, <jmoyer@redhat.com> Cc: <linux-nvdimm@lists.01.org>, <linux-kernel@vger.kernel.org>, YueHaibing <yuehaibing@huawei.com> Subject: [PATCH -next] libnvdimm/region: Fix build error Date: Mon, 30 Mar 2020 22:19:43 +0800 [thread overview] Message-ID: <20200330141943.31696-1-yuehaibing@huawei.com> (raw) On CONFIG_PPC32=y build fails: drivers/nvdimm/region_devs.c:1034:14: note: in expansion of macro ‘do_div’ remainder = do_div(per_mapping, mappings); ^~~~~~ In file included from ./arch/powerpc/include/generated/asm/div64.h:1:0, from ./include/linux/kernel.h:18, from ./include/asm-generic/bug.h:19, from ./arch/powerpc/include/asm/bug.h:109, from ./include/linux/bug.h:5, from ./include/linux/scatterlist.h:7, from drivers/nvdimm/region_devs.c:5: ./include/asm-generic/div64.h:243:22: error: passing argument 1 of ‘__div64_32’ from incompatible pointer type [-Werror=incompatible-pointer-types] __rem = __div64_32(&(n), __base); \ Use div_u64 instead of do_div to fix this. Fixes: 2522afb86a8c ("libnvdimm/region: Introduce an 'align' attribute") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/nvdimm/region_devs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index bf239e783940..2291f0649d27 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -564,7 +564,7 @@ static ssize_t align_store(struct device *dev, * space for the namespace. */ dpa = val; - remainder = do_div(dpa, nd_region->ndr_mappings); + remainder = div_u64(dpa, nd_region->ndr_mappings); if (!is_power_of_2(dpa) || dpa < PAGE_SIZE || val > region_size(nd_region) || remainder) return -EINVAL; @@ -1031,7 +1031,7 @@ static unsigned long default_align(struct nd_region *nd_region) mappings = max_t(u16, 1, nd_region->ndr_mappings); per_mapping = align; - remainder = do_div(per_mapping, mappings); + remainder = div_u64(per_mapping, mappings); if (remainder) align *= mappings; -- 2.17.1
next reply other threads:[~2020-03-30 14:22 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-30 14:19 YueHaibing [this message] 2020-03-30 14:19 ` [PATCH -next] libnvdimm/region: Fix build error YueHaibing 2020-03-31 9:46 ` Dan Williams 2020-03-31 9:46 ` Dan Williams 2020-03-31 11:50 ` [PATCH v2 " YueHaibing 2020-03-31 11:50 ` YueHaibing 2020-03-31 19:42 ` Dan Williams 2020-03-31 19:42 ` Dan Williams
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200330141943.31696-1-yuehaibing@huawei.com \ --to=yuehaibing@huawei.com \ --cc=aneesh.kumar@linux.ibm.com \ --cc=dan.j.williams@intel.com \ --cc=dave.jiang@intel.com \ --cc=ira.weiny@intel.com \ --cc=jmoyer@redhat.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-nvdimm@lists.01.org \ --cc=vishal.l.verma@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.