Re: [PATCH v10 5/5] drm/rockchip: Add dmc notifier in vop driver

From: kbuild test robot
Date: Mon Sep 05 2016 - 23:41:09 EST

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In reply to: Lin Huang: "[PATCH v10 5/5] drm/rockchip: Add dmc notifier in vop driver"
Next in thread: Sean Paul: "Re: [PATCH v10 5/5] drm/rockchip: Add dmc notifier in vop driver"
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Hi Lin,

[auto build test ERROR on next-20160825]
[cannot apply to rockchip/for-next devfreq/for-rafael linus/master v4.8-rc5 v4.8-rc4 v4.8-rc3 v4.8-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url: https://github.com/0day-ci/linux/commits/Lin-Huang/rk3399-support-ddr-frequency-scaling/20160905-131110
config: arm-multi_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1124:16: note: (near initialization for 'vop_crtc_helper_funcs.mode_fixup')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1125:18: error: initializer element is not constant
.atomic_flush = vop_crtc_atomic_flush,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1125:18: note: (near initialization for 'vop_crtc_helper_funcs.atomic_flush')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1126:18: error: initializer element is not constant
.atomic_begin = vop_crtc_atomic_begin,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1126:18: note: (near initialization for 'vop_crtc_helper_funcs.atomic_begin')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1129:13: error: invalid storage class for function 'vop_crtc_destroy'
static void vop_crtc_destroy(struct drm_crtc *crtc)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1134:13: error: invalid storage class for function 'vop_crtc_reset'
static void vop_crtc_reset(struct drm_crtc *crtc)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1145:31: error: invalid storage class for function 'vop_crtc_duplicate_state'
static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1157:13: error: invalid storage class for function 'vop_crtc_destroy_state'
static void vop_crtc_destroy_state(struct drm_crtc *crtc,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1169:13: error: initializer element is not constant
.destroy = vop_crtc_destroy,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1169:13: note: (near initialization for 'vop_crtc_funcs.destroy')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1170:11: error: initializer element is not constant
.reset = vop_crtc_reset,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1170:11: note: (near initialization for 'vop_crtc_funcs.reset')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1171:28: error: initializer element is not constant
.atomic_duplicate_state = vop_crtc_duplicate_state,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1171:28: note: (near initialization for 'vop_crtc_funcs.atomic_duplicate_state')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1172:26: error: initializer element is not constant
.atomic_destroy_state = vop_crtc_destroy_state,
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1172:26: note: (near initialization for 'vop_crtc_funcs.atomic_destroy_state')
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1175:13: error: invalid storage class for function 'vop_win_pending_is_complete'
static bool vop_win_pending_is_complete(struct vop_win *vop_win)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1187:13: error: invalid storage class for function 'vop_handle_vblank'
static void vop_handle_vblank(struct vop *vop)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1213:20: error: invalid storage class for function 'vop_isr'
static irqreturn_t vop_isr(int irq, void *data)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1259:12: error: invalid storage class for function 'vop_create_crtc'
static int vop_create_crtc(struct vop *vop)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1359:13: error: invalid storage class for function 'vop_destroy_crtc'
static void vop_destroy_crtc(struct vop *vop)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1387:12: error: invalid storage class for function 'vop_initial'
static int vop_initial(struct vop *vop)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1487:13: error: invalid storage class for function 'vop_win_init'
static void vop_win_init(struct vop *vop)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1501:12: error: invalid storage class for function 'vop_bind'
static int vop_bind(struct device *dev, struct device *master, void *data)
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1596:13: error: invalid storage class for function 'vop_unbind'
static void vop_unbind(struct device *dev, struct device *master, void *data)
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from include/linux/list.h:8,
from include/linux/agp_backend.h:33,
from include/drm/drmP.h:35,
from drivers/gpu/drm/rockchip/rockchip_drm_vop.c:16:
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:19: error: extern declaration of 'vop_component_ops' follows declaration with no linkage
EXPORT_SYMBOL_GPL(vop_component_ops);
^
include/linux/export.h:57:21: note: in definition of macro '___EXPORT_SYMBOL'
extern typeof(sym) sym; \
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1604:28: note: previous definition of 'vop_component_ops' was here
const struct component_ops vop_component_ops = {
^
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from include/linux/list.h:8,
from include/linux/agp_backend.h:33,
from include/drm/drmP.h:35,
from drivers/gpu/drm/rockchip/rockchip_drm_vop.c:16:
include/linux/export.h:63:25: warning: '__used__' attribute ignored [-Wattributes]
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
>> include/linux/export.h:63:39: error: section attribute cannot be specified for local variables
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
include/linux/export.h:63:25: warning: 'externally_visible' attribute have effect only on public objects [-Wattributes]
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
include/linux/export.h:63:39: error: declaration of '__ksymtab_vop_component_ops' with no linkage follows extern declaration
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
include/linux/export.h:62:36: note: previous declaration of '__ksymtab_vop_component_ops' was here
extern const struct kernel_symbol __ksymtab_##sym; \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
>> include/linux/export.h:63:25: error: expected declaration or statement at end of input
__visible const struct kernel_symbol __ksymtab_##sym \
^
include/linux/export.h:94:25: note: in expansion of macro '___EXPORT_SYMBOL'
#define __EXPORT_SYMBOL ___EXPORT_SYMBOL
^
include/linux/export.h:101:2: note: in expansion of macro '__EXPORT_SYMBOL'
__EXPORT_SYMBOL(sym, "_gpl")
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:1608:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(vop_component_ops);
^
drivers/gpu/drm/rockchip/rockchip_drm_vop.c: At top level:
drivers/gpu/drm/rockchip/rockchip_drm_vop.c:557:13: warning: 'vop_crtc_disable' defined but not used [-Wunused-function]
static void vop_crtc_disable(struct drm_crtc *crtc)
^

vim +63 include/linux/export.h

f5016932 Paul Gortmaker 2011-05-23 57 extern typeof(sym) sym; \
f5016932 Paul Gortmaker 2011-05-23 58 __CRC_SYMBOL(sym, sec) \
f5016932 Paul Gortmaker 2011-05-23 59 static const char __kstrtab_##sym[] \
f5016932 Paul Gortmaker 2011-05-23 60 __attribute__((section("__ksymtab_strings"), aligned(1))) \
b92021b0 Rusty Russell 2013-03-15 61 = VMLINUX_SYMBOL_STR(sym); \
7b4ec8dd Johannes Berg 2014-01-16 62 extern const struct kernel_symbol __ksymtab_##sym; \
e0f244c6 Andi Kleen 2013-10-23 @63 __visible const struct kernel_symbol __ksymtab_##sym \
f5016932 Paul Gortmaker 2011-05-23 64 __used \
f5016932 Paul Gortmaker 2011-05-23 65 __attribute__((section("___ksymtab" sec "+" #sym), unused)) \
f5016932 Paul Gortmaker 2011-05-23 66 = { (unsigned long)&sym, __kstrtab_##sym }
f5016932 Paul Gortmaker 2011-05-23 67
c1a95fda Nicolas Pitre 2016-01-22 68 #if defined(__KSYM_DEPS__)
c1a95fda Nicolas Pitre 2016-01-22 69
c1a95fda Nicolas Pitre 2016-01-22 70 /*
c1a95fda Nicolas Pitre 2016-01-22 71 * For fine grained build dependencies, we want to tell the build system
c1a95fda Nicolas Pitre 2016-01-22 72 * about each possible exported symbol even if they're not actually exported.
c1a95fda Nicolas Pitre 2016-01-22 73 * We use a string pattern that is unlikely to be valid code that the build
c1a95fda Nicolas Pitre 2016-01-22 74 * system filters out from the preprocessor output (see ksym_dep_filter
c1a95fda Nicolas Pitre 2016-01-22 75 * in scripts/Kbuild.include).
c1a95fda Nicolas Pitre 2016-01-22 76 */
c1a95fda Nicolas Pitre 2016-01-22 77 #define __EXPORT_SYMBOL(sym, sec) === __KSYM_##sym ===
c1a95fda Nicolas Pitre 2016-01-22 78
c1a95fda Nicolas Pitre 2016-01-22 79 #elif defined(CONFIG_TRIM_UNUSED_KSYMS)
f2355416 Nicolas Pitre 2016-01-22 80
f2355416 Nicolas Pitre 2016-01-22 81 #include <linux/kconfig.h>
f2355416 Nicolas Pitre 2016-01-22 82 #include <generated/autoksyms.h>
f2355416 Nicolas Pitre 2016-01-22 83
f2355416 Nicolas Pitre 2016-01-22 84 #define __EXPORT_SYMBOL(sym, sec) \
6023d236 Masahiro Yamada 2016-06-14 85 __cond_export_sym(sym, sec, __is_defined(__KSYM_##sym))
f2355416 Nicolas Pitre 2016-01-22 86 #define __cond_export_sym(sym, sec, conf) \
f2355416 Nicolas Pitre 2016-01-22 87 ___cond_export_sym(sym, sec, conf)
f2355416 Nicolas Pitre 2016-01-22 88 #define ___cond_export_sym(sym, sec, enabled) \
f2355416 Nicolas Pitre 2016-01-22 89 __cond_export_sym_##enabled(sym, sec)
f2355416 Nicolas Pitre 2016-01-22 90 #define __cond_export_sym_1(sym, sec) ___EXPORT_SYMBOL(sym, sec)
f2355416 Nicolas Pitre 2016-01-22 91 #define __cond_export_sym_0(sym, sec) /* nothing */
f2355416 Nicolas Pitre 2016-01-22 92
f2355416 Nicolas Pitre 2016-01-22 93 #else
f2355416 Nicolas Pitre 2016-01-22 @94 #define __EXPORT_SYMBOL ___EXPORT_SYMBOL
f2355416 Nicolas Pitre 2016-01-22 95 #endif
f2355416 Nicolas Pitre 2016-01-22 96
f5016932 Paul Gortmaker 2011-05-23 97 #define EXPORT_SYMBOL(sym) \

:::::: The code at line 63 was first introduced by commit
:::::: e0f244c63fc9d192dfd399cc2677bbdca61994b1 asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible

:::::: TO: Andi Kleen <ak@xxxxxxxxxxxxxxx>
:::::: CC: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

---
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Next message: Stephen Rothwell: "linux-next: manual merge of the tip tree with the kbuild tree"
Previous message: SF Markus Elfring: "Re: ACPI-APEI-HEST: Fine-tuning for three function implementations"
In reply to: Lin Huang: "[PATCH v10 5/5] drm/rockchip: Add dmc notifier in vop driver"
Next in thread: Sean Paul: "Re: [PATCH v10 5/5] drm/rockchip: Add dmc notifier in vop driver"
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