Re: randconfig build error with next-20140205, in drivers/iio/kfifo_buf.c

From: Jonathan Cameron
Date: Sat Feb 15 2014 - 06:03:19 EST

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On 05/02/14 22:56, Jim Davis wrote:

Building with the attached random configuration file,

warning: (AD5933 && IIO_SIMPLE_DUMMY_BUFFER && TI_AM335X_ADC) selects
IIO_KFIFO_BUF which has unmet direct dependencies (IIO && IIO_BUFFER)

drivers/iio/kfifo_buf.c:13:20: error: field 'buffer' has incomplete type
struct iio_buffer buffer;
^
In file included from /home/jim/linux/arch/x86/include/asm/percpu.h:44:0,
from /home/jim/linux/arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
drivers/iio/kfifo_buf.c: In function 'iio_request_update_kfifo':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:34:26: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *buf = iio_to_kfifo(r);
^
include/linux/kernel.h:833:48: warning: (near initialization for
'buf') [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:34:26: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *buf = iio_to_kfifo(r);
^
drivers/iio/kfifo_buf.c: In function 'iio_get_length_kfifo':
drivers/iio/kfifo_buf.c:52:10: error: dereferencing pointer to incomplete type
return r->length;
^
drivers/iio/kfifo_buf.c: At top level:
drivers/iio/kfifo_buf.c:55:8: error: type defaults to 'int' in
declaration of 'IIO_BUFFER_ENABLE_ATTR' [-Werror=implicit-int]
static IIO_BUFFER_ENABLE_ATTR;
^
drivers/iio/kfifo_buf.c:56:8: error: type defaults to 'int' in
declaration of 'IIO_BUFFER_LENGTH_ATTR' [-Werror=implicit-int]
static IIO_BUFFER_LENGTH_ATTR;
^
drivers/iio/kfifo_buf.c:59:3: error: 'dev_attr_length' undeclared here
(not in a function)
&dev_attr_length.attr,
^
drivers/iio/kfifo_buf.c:60:3: error: 'dev_attr_enable' undeclared here
(not in a function)
&dev_attr_enable.attr,
^
drivers/iio/kfifo_buf.c: In function 'iio_get_bytes_per_datum_kfifo':
drivers/iio/kfifo_buf.c:71:10: error: dereferencing pointer to incomplete type
return r->bytes_per_datum;
^
drivers/iio/kfifo_buf.c:71:10: error: request for member
'bytes_per_datum' in something not a structure or union
drivers/iio/kfifo_buf.c:71:2: warning: return makes integer from
pointer without a cast [enabled by default]
return r->bytes_per_datum;
^
In file included from /home/jim/linux/arch/x86/include/asm/percpu.h:44:0,
from /home/jim/linux/arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
drivers/iio/kfifo_buf.c: In function 'iio_mark_update_needed_kfifo':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:76:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:833:48: warning: (near initialization for 'kf')
[enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:76:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:834:27: error: invalid operands to binary -
(have 'char *' and 'struct attribute **')
(type *)( (char *)__mptr - offsetof(type,member) );})
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:76:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
drivers/iio/kfifo_buf.c: In function 'iio_set_bytes_per_datum_kfifo':
drivers/iio/kfifo_buf.c:83:7: error: dereferencing pointer to incomplete type
if (r->bytes_per_datum != bpd) {
^
drivers/iio/kfifo_buf.c:83:7: error: request for member
'bytes_per_datum' in something not a structure or union
drivers/iio/kfifo_buf.c:83:25: warning: comparison between pointer and
integer [enabled by default]
if (r->bytes_per_datum != bpd) {
^
drivers/iio/kfifo_buf.c:84:4: error: dereferencing pointer to incomplete type
r->bytes_per_datum = bpd;
^
drivers/iio/kfifo_buf.c:84:4: error: request for member
'bytes_per_datum' in something not a structure or union
drivers/iio/kfifo_buf.c:84:3: warning: statement with no effect [-Wunused-value]
r->bytes_per_datum = bpd;
^
drivers/iio/kfifo_buf.c: In function 'iio_set_length_kfifo':
drivers/iio/kfifo_buf.c:95:7: error: dereferencing pointer to incomplete type
if (r->length != length) {
^
drivers/iio/kfifo_buf.c:95:7: error: request for member 'length' in
something not a structure or union
drivers/iio/kfifo_buf.c:95:16: warning: comparison between pointer and
integer [enabled by default]
if (r->length != length) {
^
drivers/iio/kfifo_buf.c:96:4: error: dereferencing pointer to incomplete type
r->length = length;
^
drivers/iio/kfifo_buf.c:96:4: error: request for member 'length' in
something not a structure or union
drivers/iio/kfifo_buf.c:96:3: warning: statement with no effect [-Wunused-value]
r->length = length;
^
In file included from /home/jim/linux/arch/x86/include/asm/percpu.h:44:0,
from /home/jim/linux/arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
drivers/iio/kfifo_buf.c: In function 'iio_store_to_kfifo':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:106:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:833:48: warning: (near initialization for 'kf')
[enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:106:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:834:27: error: invalid operands to binary -
(have 'char *' and 'struct attribute **')
(type *)( (char *)__mptr - offsetof(type,member) );})
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:106:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
In file included from include/linux/mmzone.h:9:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
drivers/iio/kfifo_buf.c:111:31: error: dereferencing pointer to incomplete type
wake_up_interruptible_poll(&r->pollq, POLLIN | POLLRDNORM);
^
include/linux/wait.h:178:12: note: in definition of macro
'wake_up_interruptible_poll'
__wake_up(x, TASK_INTERRUPTIBLE, 1, (void *) (m))
^
drivers/iio/kfifo_buf.c:111:31: error: request for member 'pollq' in
something not a structure or union
wake_up_interruptible_poll(&r->pollq, POLLIN | POLLRDNORM);
^
include/linux/wait.h:178:12: note: in definition of macro
'wake_up_interruptible_poll'
__wake_up(x, TASK_INTERRUPTIBLE, 1, (void *) (m))
^
drivers/iio/kfifo_buf.c:111:2: warning: passing argument 1 of
'__wake_up' from incompatible pointer type [enabled by default]
wake_up_interruptible_poll(&r->pollq, POLLIN | POLLRDNORM);
^
In file included from include/linux/mmzone.h:9:0,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
include/linux/wait.h:144:6: note: expected 'struct wait_queue_head_t
*' but argument is of type 'struct attribute * (*)[1]'
void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
^
In file included from /home/jim/linux/arch/x86/include/asm/percpu.h:44:0,
from /home/jim/linux/arch/x86/include/asm/preempt.h:5,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/mmzone.h:7,
from include/linux/gfp.h:5,
from include/linux/slab.h:14,
from drivers/iio/kfifo_buf.c:1:
drivers/iio/kfifo_buf.c: In function 'iio_read_first_n_kfifo':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:120:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:833:48: warning: (near initialization for 'kf')
[enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:120:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:834:27: error: invalid operands to binary -
(have 'char *' and 'struct attribute **')
(type *)( (char *)__mptr - offsetof(type,member) );})
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:120:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
drivers/iio/kfifo_buf.c: In function 'iio_kfifo_buf_data_available':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:138:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:833:48: warning: (near initialization for 'kf')
[enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:138:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
include/linux/kernel.h:834:27: error: invalid operands to binary -
(have 'char *' and 'struct attribute **')
(type *)( (char *)__mptr - offsetof(type,member) );})
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:138:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(r);
^
drivers/iio/kfifo_buf.c: In function 'iio_kfifo_buffer_release':
include/linux/kernel.h:833:48: warning: initialization from
incompatible pointer type [enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:150:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(buffer);
^
include/linux/kernel.h:833:48: warning: (near initialization for 'kf')
[enabled by default]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:150:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(buffer);
^
include/linux/kernel.h:834:27: error: invalid operands to binary -
(have 'char *' and 'struct attribute **')
(type *)( (char *)__mptr - offsetof(type,member) );})
^
drivers/iio/kfifo_buf.c:19:25: note: in expansion of macro 'container_of'
#define iio_to_kfifo(r) container_of(r, struct iio_kfifo, buffer)
^
drivers/iio/kfifo_buf.c:150:25: note: in expansion of macro 'iio_to_kfifo'
struct iio_kfifo *kf = iio_to_kfifo(buffer);
^
drivers/iio/kfifo_buf.c: At top level:
drivers/iio/kfifo_buf.c:157:21: error: variable 'kfifo_access_funcs'
has initializer but incomplete type
static const struct iio_buffer_access_funcs kfifo_access_funcs = {
^
drivers/iio/kfifo_buf.c:158:2: error: unknown field 'store_to'
specified in initializer
.store_to = &iio_store_to_kfifo,
^
drivers/iio/kfifo_buf.c:158:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:158:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:159:2: error: unknown field 'read_first_n'
specified in initializer
.read_first_n = &iio_read_first_n_kfifo,
^
drivers/iio/kfifo_buf.c:159:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:159:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:160:2: error: unknown field 'data_available'
specified in initializer
.data_available = iio_kfifo_buf_data_available,
^
drivers/iio/kfifo_buf.c:160:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:160:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:161:2: error: unknown field 'request_update'
specified in initializer
.request_update = &iio_request_update_kfifo,
^
drivers/iio/kfifo_buf.c:161:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:161:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:162:2: error: unknown field
'get_bytes_per_datum' specified in initializer
.get_bytes_per_datum = &iio_get_bytes_per_datum_kfifo,
^
drivers/iio/kfifo_buf.c:162:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:162:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:163:2: error: unknown field
'set_bytes_per_datum' specified in initializer
.set_bytes_per_datum = &iio_set_bytes_per_datum_kfifo,
^
drivers/iio/kfifo_buf.c:163:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:163:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:164:2: error: unknown field 'get_length'
specified in initializer
.get_length = &iio_get_length_kfifo,
^
drivers/iio/kfifo_buf.c:164:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:164:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:165:2: error: unknown field 'set_length'
specified in initializer
.set_length = &iio_set_length_kfifo,
^
drivers/iio/kfifo_buf.c:165:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:165:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c:166:2: error: unknown field 'release'
specified in initializer
.release = &iio_kfifo_buffer_release,
^
drivers/iio/kfifo_buf.c:166:2: warning: excess elements in struct
initializer [enabled by default]
drivers/iio/kfifo_buf.c:166:2: warning: (near initialization for
'kfifo_access_funcs') [enabled by default]
drivers/iio/kfifo_buf.c: In function 'iio_kfifo_allocate':
drivers/iio/kfifo_buf.c:177:2: error: implicit declaration of function
'iio_buffer_init' [-Werror=implicit-function-declaration]
iio_buffer_init(&kf->buffer);
^
drivers/iio/kfifo_buf.c:178:12: error: request for member 'attrs' in
something not a structure or union
kf->buffer.attrs = &iio_kfifo_attribute_group;
^
drivers/iio/kfifo_buf.c:178:2: warning: statement with no effect
[-Wunused-value]
kf->buffer.attrs = &iio_kfifo_attribute_group;
^
drivers/iio/kfifo_buf.c:179:12: error: request for member 'access' in
something not a structure or union
kf->buffer.access = &kfifo_access_funcs;
^
drivers/iio/kfifo_buf.c:179:2: warning: statement with no effect
[-Wunused-value]
kf->buffer.access = &kfifo_access_funcs;
^
drivers/iio/kfifo_buf.c:180:12: error: request for member 'length' in
something not a structure or union
kf->buffer.length = 2;
^
drivers/iio/kfifo_buf.c:180:2: warning: statement with no effect
[-Wunused-value]
kf->buffer.length = 2;
^
drivers/iio/kfifo_buf.c:182:2: warning: return from incompatible
pointer type [enabled by default]
return &kf->buffer;
^
drivers/iio/kfifo_buf.c: At top level:
LD sound/soc/codecs/snd-soc-wm8782.o
drivers/iio/kfifo_buf.c:55:8: warning: 'IIO_BUFFER_ENABLE_ATTR'
defined but not used [-Wunused-variable]
static IIO_BUFFER_ENABLE_ATTR;
^
drivers/iio/kfifo_buf.c:56:8: warning: 'IIO_BUFFER_LENGTH_ATTR'
defined but not used [-Wunused-variable]
static IIO_BUFFER_LENGTH_ATTR;
^
cc1: some warnings being treated as errors
make[2]: *** [drivers/iio/kfifo_buf.o] Error 1\

Fixed by iio:ti_am335x_adc ensure that IIO_KFIFO_BUF is not selected witout IIO_BUFFER
09f33c332018be05cdaebf14a75ea232810948d0

Thanks
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Next message: Tommi Rantala: "BUG: Bad page state in process trinity-c19"
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