RE: [PATCH v3 02/14] PCI: rcar: Don't allocate extra memory for the MSI capture address

Hi Lorenzo, Marc, > From: Lorenzo Pieralisi, Sent: Wednesday, March 31, 2021 12:29 AM > > On Tue, Mar 30, 2021 at 04:11:33PM +0100, Marc Zyngier wrote: > > A long cargo-culted behaviour of PCI drivers is to allocate memory > > to obtain an address that is fed to the controller as the MSI > > capt

Re: [PATCH v3 02/14] PCI: rcar: Don't allocate extra memory for the MSI capture address

On Tue, Mar 30, 2021 at 04:11:33PM +0100, Marc Zyngier wrote: > A long cargo-culted behaviour of PCI drivers is to allocate memory > to obtain an address that is fed to the controller as the MSI > capture address (i.e. the MSI doorbell). > > But there is no actual requirement for this address to b