On Mon, Feb 29, 2016 at 05:43:20PM +0000, Lorenzo Pieralisi wrote:
> According to kernel documentation, the pci=firmware command line
> parameter is only meant to be used on IXP2000 ARM platforms to prevent
> the kernel from assigning PCI resources configured by the bootloader.
>
> Since the IXP2000 ARM platforms support has been removed from the
> kernel in commit:
>
> commit c65f2abf54a6 ("ARM: remove ixp23xx and ixp2000 platforms")
>
> its platforms specific kernel parameters should be removed
> too from the kernel documentation along with the kernel code
> currently handling them in that they have just become obsolete.
>
> This patch removes the pci=firmware command line parameter handling
> from ARM code and the related kernel parameters documentation
> section.
>
> Signed-off-by: Lorenzo Pieralisi <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
It looks like Rob merged c65f2abf54a6, so maybe he will merge this as
well? Otherwise I'd be happy to merge it; just let me know if you
want me to.
> Cc: Arnd Bergmann <[email protected]>
> Cc: Lennert Buytenhek <[email protected]>
> Cc: Jonathan Corbet <[email protected]>
> Cc: Bjorn Helgaas <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: Russell King <[email protected]>
> ---
> Documentation/kernel-parameters.txt | 5 -----
> arch/arm/kernel/bios32.c | 3 ---
> 2 files changed, 8 deletions(-)
>
> diff --git a/Documentation/kernel-parameters.txt
> b/Documentation/kernel-parameters.txt
> index 9a53c92..e213acc 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2875,11 +2875,6 @@ bytes respectively. Such letter suffixes can also be
> entirely omitted.
> for broken drivers that don't call it.
> skip_isa_align [X86] do not align io start addr, so can
> handle more pci cards
> - firmware [ARM] Do not re-enumerate the bus but instead
> - just use the configuration from the
> - bootloader. This is currently used on
> - IXP2000 systems where the bus has to be
> - configured a certain way for adjunct CPUs.
> noearly [X86] Don't do any early type 1 scanning.
> This might help on some broken boards which
> machine check when some devices' config space
> diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
> index 066f7f9..05e61a2 100644
> --- a/arch/arm/kernel/bios32.c
> +++ b/arch/arm/kernel/bios32.c
> @@ -550,9 +550,6 @@ char * __init pcibios_setup(char *str)
> if (!strcmp(str, "debug")) {
> debug_pci = 1;
> return NULL;
> - } else if (!strcmp(str, "firmware")) {
> - pci_add_flags(PCI_PROBE_ONLY);
> - return NULL;
> }
> return str;
> }
> --
> 2.5.1
>
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