Re: PCI: Correct the resource_alignment parameter example
From: Alexey Kardashevskiy
Date: Thu Jun 06 2019 - 00:42:26 EST
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@xxxxxxxxx>
> 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 @@
> [<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