From: Yijing Wang Date: Wed, 23 Jan 2013 12:29:06 +0000 (+0800) Subject: PCI: Document hpiosize= and hpmemsize= resource reservation parameters X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8c8803c5968bd82ad3d65e8603c6bcf2d9674d83;p=linux-beck.git PCI: Document hpiosize= and hpmemsize= resource reservation parameters Document PCI hotplug resource reservation parameters hpiosize and hpmemsize. These parameters override default hotplug I/O size (256 bytes) and default mem size (2M). Signed-off-by: Yijing Wang Signed-off-by: Bjorn Helgaas --- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 363e348bff9b..69f97a836600 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2248,6 +2248,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 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. realloc= Enable/disable reallocating PCI bridge resources if allocations done by BIOS are too small to accommodate resources required by all child