Re: [PATCH v2 1/2] asm-generic: Remove pci.h copying remaining code to x86
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- To: Stafford Horne <shorne@xxxxxxxxx>
- Subject: Re: [PATCH v2 1/2] asm-generic: Remove pci.h copying remaining code to x86
- From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
- Date: Sun, 17 Jul 2022 11:23:24 +0200
- Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Richard Henderson <rth@xxxxxxxxxxxxxxx>, Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "the arch/x86 maintainers" <x86@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Chris Zankel <chris@xxxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, Albert Ou <aou@xxxxxxxxxxxxxxxxx>, Nick Child <nick.child@xxxxxxx>, Niklas Schnelle <schnelle@xxxxxxxxxxxxx>, Matthew Rosato <mjrosato@xxxxxxxxxxxxx>, Pierre Morel <pmorel@xxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx>, alpha <linux-alpha@xxxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, linux-m68k <linux-m68k@xxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, "open list:TENSILICA XTENSA PORT (xtensa)" <linux-xtensa@xxxxxxxxxxxxxxxx>, linux-pci <linux-pci@xxxxxxxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, linux-riscv <linux-riscv@xxxxxxxxxxxxxxxxxxx>
- In-reply-to: <20220717033453.2896843-2-shorne@gmail.com>
- References: <20220717033453.2896843-1-shorne@gmail.com> <20220717033453.2896843-2-shorne@gmail.com>
Hi Stafford,
On Sun, Jul 17, 2022 at 5:35 AM Stafford Horne <shorne@xxxxxxxxx> wrote:
> The generic pci.h header now only provides a definition of
> pci_get_legacy_ide_irq which is used by architectures that support PNP.
> Of the architectures that use asm-generic/pci.h this is only x86.
>
> This patch removes the old pci.h in order to make room for a new
> pci.h to be used by arm64, riscv, openrisc, etc.
>
> The existing code in pci.h is moved out to x86. On other architectures
> we clean up any outstanding references.
>
> Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
> Link: https://lore.kernel.org/lkml/CAK8P3a0JmPeczfmMBE__vn=Jbvf=nkbpVaZCycyv40pZNCJJXQ@xxxxxxxxxxxxxx/
> Signed-off-by: Stafford Horne <shorne@xxxxxxxxx>
Thanks for your patch!
> --- a/arch/m68k/include/asm/pci.h
> +++ b/arch/m68k/include/asm/pci.h
> @@ -2,11 +2,14 @@
> #ifndef _ASM_M68K_PCI_H
> #define _ASM_M68K_PCI_H
>
> -#include <asm-generic/pci.h>
> -
> #define pcibios_assign_all_busses() 1
>
> #define PCIBIOS_MIN_IO 0x00000100
> #define PCIBIOS_MIN_MEM 0x02000000
>
> +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
> +{
> + return channel ? 15 : 14;
> +}
> +
I thought you were not going to add this?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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