Messages in this thread | | | Date | Thu, 10 Mar 2022 11:41:35 +0100 | From | Pali Rohár <> | Subject | Re: [PATCH v2] arm64: dts: marvell: armada-37xx: Remap IO space to bus address 0x0 |
| |
On Thursday 10 March 2022 11:22:38 Arnd Bergmann wrote: > On Thu, Mar 10, 2022 at 11:09 AM Pali Rohár <pali@kernel.org> wrote: > > On Thursday 10 March 2022 11:05:00 Gregory CLEMENT wrote: > > > > > > > This patch has been refused by Arnd so I removed it from the mvebu/fixes > > > branch so you should not apply anything on top of it. > > > > Ok, so what is wrong with a change which increase size of IO space to 1 MB? > > It should not cause any harm, but there is really no point in this if no known > devices use more than a few bytes, and Linux only maps the first 64KB of > the I/O space for each host bridge. I don't actually see where we limit the > size to 64KB, so maybe that changed recently. > > Arnd
Ok. Anyway, I was told that DTS should describe HW properties and not to be bound with SW implementation or SW limitations, like case here if Linux SW limits some sizes.
| |