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    SubjectRe: [PATCH] arm64: add ioremap physical address information
    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?

    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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