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Message-ID: <201811021622.D7cniTRf%fengguang.wu@intel.com>
Date: Fri, 2 Nov 2018 16:28:17 +0800
From: kbuild test robot <lkp@...el.com>
To: Peng Hao <peng.hao2@....com.cn>
Cc: kbuild-all@...org, robh+dt@...nel.org, mark.rutland@....com,
arnd@...db.de, gregkh@...uxfoundation.org, andy@...radead.org,
dvhart@...radead.org, linux-kernel@...r.kernel.org,
platform-driver-x86@...r.kernel.org, hutao@...fujitsu.com,
linux-doc@...r.kernel.org, Peng Hao <peng.hao2@....com.cn>
Subject: Re: [PATCH V6 3/8] misc/pvpanic: add MMIO support
Hi Peng,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on v4.19 next-20181102]
[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/Peng-Hao/pvpanic-move-pvpanic-to-misc-as-common-driver/20181102-124907
config: openrisc-allyesconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=openrisc
All errors (new ones prefixed by >>):
drivers//misc/pvpanic.c:36:36: error: array type has incomplete element type 'struct acpi_device_id'
static const struct acpi_device_id pvpanic_device_ids[] = {
^~~~~~~~~~~~~~~~~~
drivers//misc/pvpanic.c:46:15: error: variable 'pvpanic_driver' has initializer but incomplete type
static struct acpi_driver pvpanic_driver = {
^~~~~~~~~~~
drivers//misc/pvpanic.c:47:2: error: unknown field 'name' specified in initializer
.name = "pvpanic",
^
drivers//misc/pvpanic.c:47:11: warning: excess elements in struct initializer
.name = "pvpanic",
^~~~~~~~~
drivers//misc/pvpanic.c:47:11: note: (near initialization for 'pvpanic_driver')
drivers//misc/pvpanic.c:48:2: error: unknown field 'class' specified in initializer
.class = "QEMU",
^
drivers//misc/pvpanic.c:48:11: warning: excess elements in struct initializer
.class = "QEMU",
^~~~~~
drivers//misc/pvpanic.c:48:11: note: (near initialization for 'pvpanic_driver')
drivers//misc/pvpanic.c:49:2: error: unknown field 'ids' specified in initializer
.ids = pvpanic_device_ids,
^
drivers//misc/pvpanic.c:49:10: warning: excess elements in struct initializer
.ids = pvpanic_device_ids,
^~~~~~~~~~~~~~~~~~
drivers//misc/pvpanic.c:49:10: note: (near initialization for 'pvpanic_driver')
drivers//misc/pvpanic.c:50:2: error: unknown field 'ops' specified in initializer
.ops = {
^
drivers//misc/pvpanic.c:50:10: error: extra brace group at end of initializer
.ops = {
^
drivers//misc/pvpanic.c:50:10: note: (near initialization for 'pvpanic_driver')
drivers//misc/pvpanic.c:50:10: warning: excess elements in struct initializer
drivers//misc/pvpanic.c:50:10: note: (near initialization for 'pvpanic_driver')
drivers//misc/pvpanic.c:54:2: error: unknown field 'owner' specified in initializer
.owner = THIS_MODULE,
^
In file included from include/linux/linkage.h:7:0,
from include/linux/kernel.h:7,
from drivers//misc/pvpanic.c:23:
include/linux/export.h:18:21: warning: excess elements in struct initializer
#define THIS_MODULE ((struct module *)0)
^
drivers//misc/pvpanic.c:54:11: note: in expansion of macro 'THIS_MODULE'
.owner = THIS_MODULE,
^~~~~~~~~~~
include/linux/export.h:18:21: note: (near initialization for 'pvpanic_driver')
#define THIS_MODULE ((struct module *)0)
^
drivers//misc/pvpanic.c:54:11: note: in expansion of macro 'THIS_MODULE'
.owner = THIS_MODULE,
^~~~~~~~~~~
drivers//misc/pvpanic.c: In function 'pvpanic_send_event':
drivers//misc/pvpanic.c:60:2: error: implicit declaration of function 'iowrite8' [-Werror=implicit-function-declaration]
iowrite8(event, base);
^~~~~~~~
drivers//misc/pvpanic.c: In function 'pvpanic_walk_resources':
drivers//misc/pvpanic.c:82:6: error: implicit declaration of function 'acpi_dev_resource_io' [-Werror=implicit-function-declaration]
if (acpi_dev_resource_io(res, &r)) {
^~~~~~~~~~~~~~~~~~~~
>> drivers//misc/pvpanic.c:83:27: error: implicit declaration of function 'ioport_map' [-Werror=implicit-function-declaration]
base = (void __iomem *) ioport_map(r.start,
^~~~~~~~~~
>> drivers//misc/pvpanic.c:86:13: error: implicit declaration of function 'acpi_dev_resource_memory' [-Werror=implicit-function-declaration]
} else if (acpi_dev_resource_memory(res, &r)) {
^~~~~~~~~~~~~~~~~~~~~~~~
drivers//misc/pvpanic.c:87:10: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
base = ioremap(r.start, r.end - r.start + 1);
^~~~~~~
drivers//misc/pvpanic.c:87:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
base = ioremap(r.start, r.end - r.start + 1);
^
drivers//misc/pvpanic.c: In function 'pvpanic_add':
drivers//misc/pvpanic.c:98:8: error: implicit declaration of function 'acpi_bus_get_status' [-Werror=implicit-function-declaration]
ret = acpi_bus_get_status(device);
^~~~~~~~~~~~~~~~~~~
drivers//misc/pvpanic.c:102:13: error: dereferencing pointer to incomplete type 'struct acpi_device'
if (!device->status.enabled || !device->status.functional)
^~
drivers//misc/pvpanic.c: In function 'pvpanic_remove':
drivers//misc/pvpanic.c:122:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
iounmap(base);
^~~~~~~
drivers//misc/pvpanic.c: At top level:
drivers//misc/pvpanic.c:127:1: warning: data definition has no type or storage class
module_acpi_driver(pvpanic_driver);
^~~~~~~~~~~~~~~~~~
drivers//misc/pvpanic.c:127:1: error: type defaults to 'int' in declaration of 'module_acpi_driver' [-Werror=implicit-int]
drivers//misc/pvpanic.c:127:1: warning: parameter names (without types) in function declaration
drivers//misc/pvpanic.c:46:27: error: storage size of 'pvpanic_driver' isn't known
static struct acpi_driver pvpanic_driver = {
^~~~~~~~~~~~~~
drivers//misc/pvpanic.c:46:27: warning: 'pvpanic_driver' defined but not used [-Wunused-variable]
drivers//misc/pvpanic.c:36:36: warning: 'pvpanic_device_ids' defined but not used [-Wunused-variable]
static const struct acpi_device_id pvpanic_device_ids[] = {
^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/ioport_map +83 drivers//misc/pvpanic.c
56
57 static void
58 pvpanic_send_event(unsigned int event)
59 {
> 60 iowrite8(event, base);
61 }
62
63 static int
64 pvpanic_panic_notify(struct notifier_block *nb, unsigned long code,
65 void *unused)
66 {
67 pvpanic_send_event(PVPANIC_PANICKED);
68 return NOTIFY_DONE;
69 }
70
71 static struct notifier_block pvpanic_panic_nb = {
72 .notifier_call = pvpanic_panic_notify,
73 .priority = 1, /* let this called before broken drm_fb_helper */
74 };
75
76
77 static acpi_status
78 pvpanic_walk_resources(struct acpi_resource *res, void *context)
79 {
80 struct resource r;
81
> 82 if (acpi_dev_resource_io(res, &r)) {
> 83 base = (void __iomem *) ioport_map(r.start,
84 r.end - r.start + 1);
85 return AE_OK;
> 86 } else if (acpi_dev_resource_memory(res, &r)) {
87 base = ioremap(r.start, r.end - r.start + 1);
88 return AE_OK;
89 }
90
91 return AE_ERROR;
92 }
93
---
0-DAY kernel test infrastructure Open Source Technology Center
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