Messages in this thread | | | Date | Tue, 6 Jan 2015 22:58:09 +0800 | Subject | Re: [PATCH] arm64: add ioremap physical address information | From | Min-Hua Chen <> |
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On Tue, Jan 6, 2015 at 10:17 PM, Will Deacon <will.deacon@arm.com> wrote: > On Fri, Dec 26, 2014 at 04:52:10PM +0000, Min-Hua Chen wrote: >> In /proc/vmallocinfo, it's good to show the physical address >> of each ioremap in vmallocinfo. Add physical address information >> in arm64 ioremap. >> >> 0xffffc900047f2000-0xffffc900047f4000 8192 _nv013519rm+0x57/0xa0 >> [nvidia] phys=f8100000 ioremap >> 0xffffc900047f4000-0xffffc900047f6000 8192 _nv013519rm+0x57/0xa0 >> [nvidia] phys=f8008000 ioremap >> 0xffffc90004800000-0xffffc90004821000 135168 e1000_probe+0x22c/0xb95 >> [e1000e] phys=f4300000 ioremap >> 0xffffc900049c0000-0xffffc900049e1000 135168 _nv013521rm+0x4d/0xd0 >> [nvidia] phys=e0140000 ioremap >> >> Signed-off-by: Min-Hua Chen <orca.chen@gmail.com> >> --- > > Thanks, this looks useful for debugging. > > Acked-by: Will Deacon <will.deacon@arm.com> > > I assume this can wait for 3.20?
Sure, thanks.
Min-Hua
> > Will > > >> arch/arm64/mm/ioremap.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c >> index cbb99c8..01e88c8 100644 >> --- a/arch/arm64/mm/ioremap.c >> +++ b/arch/arm64/mm/ioremap.c >> @@ -62,6 +62,7 @@ static void __iomem *__ioremap_caller(phys_addr_t >> phys_addr, size_t size, >> if (!area) >> return NULL; >> addr = (unsigned long)area->addr; >> + area->phys_addr = phys_addr; >> >> err = ioremap_page_range(addr, addr + size, phys_addr, prot); >> if (err) { >> -- >> 1.7.10.4 >>
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