3:43 p.m.
Hi Robert,
FYI, the error/warning still remains.
tree: https://github.com/Freescale/linux-fslc 5.4-2.3.x-imx
head: ef8eb7d4787bee4be718a83b6c73fb8cc7e8f158
commit: c40c90f2d3265167edd6384dd8691dc88f78308d [10205/19343] LF-811-1: drm/bridge: Add
driver for legacy Freescale Seiko 43WVFIG adapter
config: m68k-randconfig-r002-20210611 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/Freescale/linux-fslc/commit/c40c90f2d3265167edd6384dd8...
git remote add freescale-fslc https://github.com/Freescale/linux-fslc
git fetch --no-tags freescale-fslc 5.4-2.3.x-imx
git checkout c40c90f2d3265167edd6384dd8691dc88f78308d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/agp_backend.h:33,
from include/drm/drmP.h:35,
from drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c:17:
include/linux/scatterlist.h: In function 'sg_set_buf':
arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with
null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET
&& (void *)(kaddr) < high_memory)
| ^~
include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~
include/linux/scatterlist.h:143:10: note: in expansion of macro
'virt_addr_valid'
143 | BUG_ON(!virt_addr_valid(buf));
| ^~~~~~~~~~~~~~~
In file included from arch/m68k/include/asm/bug.h:32,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from include/asm-generic/preempt.h:5,
from ./arch/m68k/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from arch/m68k/include/asm/irqflags.h:6,
from include/linux/irqflags.h:16,
from arch/m68k/include/asm/atomic.h:6,
from include/linux/atomic.h:7,
from include/linux/mutex.h:18,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/cdev.h:5,
from include/drm/drmP.h:36,
from drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c:17:
include/linux/dma-mapping.h: In function 'dma_map_resource':
arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with
null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET
&& (void *)(kaddr) < high_memory)
| ^~
include/asm-generic/bug.h:139:27: note: in definition of macro 'WARN_ON_ONCE'
139 | int __ret_warn_once = !!(condition); \
| ^~~~~~~~~
arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro
'virt_addr_valid'
170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn))
| ^~~~~~~~~~~~~~~
include/linux/dma-mapping.h:355:19: note: in expansion of macro 'pfn_valid'
355 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
| ^~~~~~~~~
drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c: In function 'seiko_adapter_probe':
> drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c:214:14: error:
'struct drm_bridge' has no member named 'of_node'
214 |
adap->bridge.of_node = dev->of_node;
| ^
In file included from drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c:20:
At top level:
include/drm/drm_of.h:64:12: warning: 'drm_of_component_probe_with_match'
defined but not used [-Wunused-function]
64 | static int drm_of_component_probe_with_match(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +214 drivers/gpu/drm/bridge/nxp-seiko-43wvfig.c
166
167 static int seiko_adapter_probe(struct platform_device *pdev)
168 {
169 struct device *dev = &pdev->dev;
170 struct seiko_adapter *adap;
171 struct device_node *remote;
172 u32 bus_mode;
173 int port;
174
175 adap = devm_kzalloc(dev, sizeof(*adap), GFP_KERNEL);
176 if (!adap)
177 return -ENOMEM;
178
179 of_property_read_u32(dev->of_node, "bus_mode", &bus_mode);
180 if (bus_mode != 18 && bus_mode != 24) {
181 dev_err(dev, "Invalid bus_mode: %d\n", bus_mode);
182 return -EINVAL;
183 }
184
185 switch (bus_mode) {
186 case 18:
187 adap->bpc = 6;
188 adap->bus_format = MEDIA_BUS_FMT_RGB666_1X18;
189 break;
190 case 24:
191 adap->bpc = 8;
192 adap->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
193 break;
194 }
195
196 for (port = 0; port < 2; port++) {
197 remote = of_graph_get_remote_node(dev->of_node, port, -1);
198 if (!remote) {
199 dev_err(dev, "No remote for port %d\n", port);
200 return -ENODEV;
201 }
202 adap->panel = of_drm_find_panel(remote);
203 if (!IS_ERR(adap->panel))
204 break;
205 }
206 if (IS_ERR(adap->panel)) {
207 dev_err(dev, "No panel found: %ld\n", PTR_ERR(adap->panel));
208 return PTR_ERR(adap->panel);
209 }
210
211 adap->dev = dev;
212 adap->bridge.driver_private = adap;
213 adap->bridge.funcs = &seiko_adapter_bridge_funcs;
214 adap->bridge.of_node = dev->of_node;
215
216 drm_bridge_add(&adap->bridge);
217
218 return 0;
219 }
220
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org