Re: [PATCH 04/13] libnvdimm, nfit: move flush hint mapping to dimm driver

From: kbuild test robot
Date: Sat Jun 04 2016 - 18:04:50 EST


Hi,

[auto build test WARNING on v4.7-rc1]
[also build test WARNING on next-20160603]
[cannot apply to linux-nvdimm/libnvdimm-for-next tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Dan-Williams/deprecate-pcommit/20160605-045935
config: x86_64-randconfig-s4-06050512 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from drivers/nvdimm/core.c:13:0:
>> include/linux/libnvdimm.h:78:37: warning: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration
int (*populate_flush_hints)(struct device *dev,
^~~~~~

vim +78 include/linux/libnvdimm.h

62 * get_ndd() + put_ndd(), all other nd_mapping to ndd
63 * conversions use to_ndd() which respects enabled state of the
64 * nvdimm.
65 */
66 struct nvdimm_drvdata *ndd;
67 };
68
69 /**
70 * struct nvdimm_bus_descriptor - operations and attributes for an nvdimm bus
71 * @attr_groups: sysfs attributes for this bus
72 */
73 struct nvdimm_bus_descriptor {
74 const struct attribute_group **attr_groups;
75 unsigned long cmd_mask;
76 char *provider_name;
77 ndctl_fn ndctl;
> 78 int (*populate_flush_hints)(struct device *dev,
79 void __iomem *flush_wpq[]);
80 int (*flush_probe)(struct nvdimm_bus_descriptor *nd_desc);
81 int (*clear_to_send)(struct nvdimm_bus_descriptor *nd_desc,
82 struct nvdimm *nvdimm, unsigned int cmd);
83 };
84
85 struct nd_cmd_desc {
86 int in_num;

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