linux-kernel - Re: [PATCH] MIPS: jazz: fix 64bit build

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Date:   Wed, 9 Jan 2019 22:19:10 +0000
From:   Paul Burton <paul.burton@...s.com>
To:     Thomas Bogendoerfer <tbogendoerfer@...e.de>
CC:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <pburton@...ecomp.com>,
        James Hogan <jhogan@...nel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>
Subject: Re: [PATCH] MIPS: jazz: fix 64bit build

Hello,

Thomas Bogendoerfer wrote:
> 64bit JAZZ builds failed with
> 
> linux-next/arch/mips/jazz/jazzdma.c: In function âvdma_initâ:
> /linux-next/arch/mips/jazz/jazzdma.c:77:30: error: implicit declaration of function âKSEG1ADDRâ; did you mean âCKSEG1ADDRâ? [-Werror=implicit-function-declaration]
> pgtbl = (VDMA_PGTBL_ENTRY *)KSEG1ADDR(pgtbl);
> ^~~~~~~~~
> CKSEG1ADDR
> /linux-next/arch/mips/jazz/jazzdma.c:77:10: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
> pgtbl = (VDMA_PGTBL_ENTRY *)KSEG1ADDR(pgtbl);
> ^
> In file included from /linux-next/arch/mips/include/asm/barrier.h:11:0,
> from /linux-next/include/linux/compiler.h:248,
> from /linux-next/include/linux/kernel.h:10,
> from /linux-next/arch/mips/jazz/jazzdma.c:11:
> /linux-next/arch/mips/include/asm/addrspace.h:41:29: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
> #define _ACAST32_  (_ATYPE_)(_ATYPE32_) /* widen if necessary */
> ^
> /linux-next/arch/mips/include/asm/addrspace.h:53:25: note: in expansion of macro â_ACAST32_â
> #define CPHYSADDR(a)  ((_ACAST32_(a)) & 0x1fffffff)
> ^~~~~~~~~
> /linux-next/arch/mips/jazz/jazzdma.c:84:44: note: in expansion of macro âCPHYSADDRâ
> r4030_write_reg32(JAZZ_R4030_TRSTBL_BASE, CPHYSADDR(pgtbl));
> 
> Using correct casts and CKSEG1ADDR when dealing with the pgtbl setup
> fixes this.
> 
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>

Applied to mips-fixes.

Thanks,
    Paul

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