When compiled for i386 PAE phys_addr_t is 64 bits but pointers are 32 bits. David Herrmann <dh.herrmann@xxxxxxxxx> wrote: >Hi > >On Sat, Aug 3, 2013 at 1:39 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote: >> On 08/02/2013 05:05 AM, David Herrmann wrote: >>> Hi >>> >>> I cut down my previous series to no longer include the SimpleDRM >driver. If >>> anyone is interested, you can find it here: >>> http://lwn.net/Articles/558104/ >>> I will resend it once these preparation patches are in. >>> >>> Changes since v2: >>> - added common x86 formats (reported by hpa) (patch #5) >>> >>> This whole series (including simpledrm) is tested by Stephen and me. >I would be >>> glad if maintainers could ack/nack this so I can continue my work. >>> >>> This series is pretty small and just converts x86 to use >platform-devices >>> instead of global objects to pass framebuffer data to drivers. The >commit >>> messages explain everything in detail. >>> The idea is to create a "platform-framebuffer" device which drivers >can bind to. >>> If x86 boot code detectes efi or vesa framebuffers, it creates >efi-framebuffer >>> or vesa-framebuffer devices instead. >>> >>> Additionally, if the modes are compatible, "simple-framebuffer" >devices are >>> created so simplefb can be used on x86. This feature is only enabled >if >>> CONFIG_X86_SYSFB is selected (off by default) so users without >simplefb still >>> get boot logs. >>> >>> @Stephen: I wasn't sure whether you tested the efi/vesa framebuffer >changes, >>> too, so I didn't add your tested-by there. And I changed patch #5 so >I dropped >>> it there, too. Thanks for testing! >>> >> >> I am getting a bunch of new warnings with this patchset, typically of >> the form: >> >> >> /home/hpa/kernel/distwork/drivers/video/arkfb.c:1019:23: warning: >cast >> to pointer from integer of different size [-Wint-to-pointer-cast] >> par->state.vgabase = (void __iomem *) vga_res.start; >> ^ >> /home/hpa/kernel/distwork/drivers/video/s3fb.c: In function >‘s3_pci_probe’: >> /home/hpa/kernel/distwork/drivers/video/s3fb.c:1186:23: warning: cast >to >> pointer from integer of different size [-Wint-to-pointer-cast] >> par->state.vgabase = (void __iomem *) vga_res.start; >> ^ >> I have pushed it out to a topic branch in the tip tree, partly to >give >> Fengguang's build bot a run at it (it is excellent at spotting the >> origin of new warnings), but this needs to be fixed; we will not >merge >> this branch in its current form. > >Thanks for looking at it. However, these warnings seem unrelated to my >patchset. I didn't change any vga/fb headers nor did I touch >arkfb/s3fb. Furthermore, I cannot reproduce these warnings. "vga_res" >is a "struct resource", "->start" is of type "resource_size_t" which >is typedef'ed to "phys_addr_t". Seems like the build-bot used some >random config with CONFIG_PHYS_ADDR_T_64BIT set but building on 32bit >(or something like that). > >Is there any place where I can see the compiler log? Or the used >.config file? > >Thanks >David -- Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
