Messages in this thread | | | Date | Fri, 12 Mar 2021 17:12:46 -0500 | From | Sasha Levin <> | Subject | Re: [PATCH AUTOSEL 5.10 11/47] mmc: sdhci-iproc: Add ACPI bindings for the RPi |
| |
On Tue, Mar 02, 2021 at 10:16:59AM -0600, Jeremy Linton wrote: >Hi, > > >On 3/2/21 5:56 AM, Sasha Levin wrote: >>From: Jeremy Linton <jeremy.linton@arm.com> >> >>[ Upstream commit 4f9833d3ec8da34861cd0680b00c73e653877eb9 ] >> >>The RPi4 has an Arasan controller it carries over from the RPi3 and a newer >>eMMC2 controller. Because of a couple of quirks, it seems wiser to bind >>these controllers to the same driver that DT is using on this platform >>rather than the generic sdhci_acpi driver with PNP0D40. >> >>So, BCM2847 describes the older Arasan and BRCME88C describes the newer >>eMMC2. The older Arasan is reusing an existing ACPI _HID used by other OSes >>booting these tables on the RPi. >> >>With this change, Linux is capable of utilizing the SD card slot, and the >>Wi-Fi when booted with UEFI+ACPI on the RPi4. > >For this to actually work on kernels < 5.11 you also need: > >c5b1c6dc13da mmc: sdhci: Update firmware interface API
I'll take this one for 5.10 then, thanks!
-- Thanks, Sasha
| |