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Subject: Re: PCI: Correct the resource_alignment parameter example
To:     linux-kernel@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>
Cc:     linux-doc@vger.kernel.org, linux-pci@vger.kernel.org
References: <20190606032557.107542-1-aik@ozlabs.ru>
From:   Alexey Kardashevskiy <aik@ozlabs.ru>
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Message-ID: <2994f354-29d4-b6cc-4ebd-d25fd0b2cad4@ozlabs.ru>
Date:   Thu, 6 Jun 2019 14:38:12 +1000
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Argh, it should have had "PATCH" in the subject, I broke my scripts so
they run git format-patch --subject-prefix="". Sorry. Repost?


On 06/06/2019 13:25, Alexey Kardashevskiy wrote:
> The option description requires an order and so does the option
> parsing code, however the example uses a size, fix this.
> 
> Fixes: 8b078c603249 ("PCI: Update "pci=resource_alignment" documentation")
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 2b8ee90bb644..dcb53d64ad74 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -3340,27 +3340,28 @@
>  		resource_alignment=
>  				Format:
>  				[<order of align>@]<pci_dev>[; ...]
>  				Specifies alignment and device to reassign
>  				aligned memory resources. How to
>  				specify the device is described above.
>  				If <order of align> is not specified,
>  				PAGE_SIZE is used as alignment.
>  				PCI-PCI bridge can be specified, if resource
>  				windows need to be expanded.
>  				To specify the alignment for several
>  				instances of a device, the PCI vendor,
>  				device, subvendor, and subdevice may be
> -				specified, e.g., 4096@pci:8086:9c22:103c:198f
> +				specified, e.g., 12@pci:8086:9c22:103c:198f
> +				for the 4096 alignment.
>  		ecrc=		Enable/disable PCIe ECRC (transaction layer
>  				end-to-end CRC checking).
>  				bios: Use BIOS/firmware settings. This is the
>  				the default.
>  				off: Turn ECRC off
>  				on: Turn ECRC on.
>  		hpiosize=nn[KMG]	The fixed amount of bus space which is
>  				reserved for hotplug bridge's IO window.
>  				Default size is 256 bytes.
>  		hpmemsize=nn[KMG]	The fixed amount of bus space which is
>  				reserved for hotplug bridge's memory window.
>  				Default size is 2 megabytes.
>  		hpbussize=nn	The minimum amount of additional bus numbers
> 

-- 
Alexey