tree: git://linuxtv.org/media_tree.git devel
head: 2558eeda5cd75649a1159aadca530a990b81c4ee
commit: ace9078f1c07b94332e37a5017bb34097e082e54 [498/499] [media] enable
COMPILE_TEST for OMAP2 vout
config: make ARCH=ia64 allmodconfig
All warnings:
drivers/media/platform/omap/omap_vout.c: In function
'omap_vout_uservirt_to_phys':
>> drivers/media/platform/omap/omap_vout.c:209:23: warning: cast to pointer
>> from integer of different size [-Wint-to-pointer-cast]
return virt_to_phys((void *) virtp);
^
drivers/media/platform/omap/omap_vout.c: In function 'omapvid_setup_overlay':
>> drivers/media/platform/omap/omap_vout.c:422:2: warning: format '%x' expects
>> argument of type 'unsigned int', but argument 5 has type 'dma_addr_t'
>> [-Wformat=]
v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
^
drivers/media/platform/omap/omap_vout.c: In function
'omap_vout_buffer_prepare':
>> drivers/media/platform/omap/omap_vout.c:796:34: warning: cast to pointer
>> from integer of different size [-Wint-to-pointer-cast]
vout->queued_buf_addr[vb->i] = (u8 *)
^
In file included from arch/ia64/include/asm/dma-mapping.h:56:0,
from include/linux/dma-mapping.h:82,
from drivers/media/platform/omap/omap_vout.c:40:
>> drivers/media/platform/omap/omap_vout.c:805:58: warning: cast to pointer
>> from integer of different size [-Wint-to-pointer-cast]
dma_addr = dma_map_single(vout->vid_dev->v4l2_dev.dev, (void *) addr,
^
include/asm-generic/dma-mapping-common.h:174:60: note: in definition of
macro 'dma_map_single'
#define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, NULL)
^
vim +209 drivers/media/platform/omap/omap_vout.c
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
193
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
194 return bpp;
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
195 }
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
196
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
197 /*
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
198 * omap_vout_uservirt_to_phys: This inline function is used to convert user
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
199 * space virtual address to physical address.
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
200 */
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
201 static u32 omap_vout_uservirt_to_phys(u32 virtp)
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
202 {
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
203 unsigned long physp = 0;
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
204 struct vm_area_struct *vma;
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
205 struct mm_struct *mm = current->mm;
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
206
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
207 /* For kernel direct-mapped memory, take the easy way */
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
208 if (virtp >= PAGE_OFFSET)
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
@209 return virt_to_phys((void *) virtp);
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
210
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
211 down_read(¤t->mm->mmap_sem);
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
212 vma = find_vma(mm, virtp);
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
213 if (vma && (vma->vm_flags & VM_IO) && vma->vm_pgoff) {
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
214 /* this will catch, kernel-allocated, mmaped-to-usermode
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
215 addresses */
5c7ab634 drivers/media/video/omap/omap_vout.c Vaibhav Hiremath 2010-04-11
216 physp = (vma->vm_pgoff << PAGE_SHIFT) + (virtp -
vma->vm_start);
55ee64b3 drivers/media/platform/omap/omap_vout.c Al Viro 2012-12-16
217 up_read(¤t->mm->mmap_sem);
:::::: The code at line 209 was first introduced by commit
:::::: 55ee64b30a38d688232e5eb2860467dddc493573 [media] omap_vout: find_vma()
needs ->mmap_sem held
:::::: TO: Al Viro <[email protected]>
:::::: CC: Mauro Carvalho Chehab <[email protected]>
---
0-DAY kernel build testing backend Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
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