> -----Original Message----- > From: Michael Ellerman [mailto:[EMAIL PROTECTED] > Sent: Monday, May 19, 2008 10:09 AM > To: Jin Zhengxiong > Cc: [EMAIL PROTECTED]; linuxppc-dev@ozlabs.org; > [EMAIL PROTECTED] > Subject: Re: [PATCH 2/4 V5] MSI support on 83xx/85xx/86xx board > > On Fri, 2008-05-16 at 17:50 +0800, Jason Jin wrote: > > This MSI driver can be used on 83xx/85xx/86xx board. > > In this driver, virtual interrupt host and chip were setup. > There are > > 256 MSI interrupts in this host, Every 32 MSI interrupts > cascaded to > > one IPIC/MPIC interrupt. > > The chip was treated as edge sensitive and some necessary functions > > were setup for this chip. > > > > Before using the MSI interrupt, PCI/PCIE device need to ask > for a MSI > > interrupt in the 256 MSI interrupts. A 256bit bitmap show which MSI > > interrupt was used, reserve bit in the bitmap can be used > to force the > > device use some designate MSI interrupt in the 256 MSI interrupts. > > Sometimes this is useful for testing the all the MSI > interrupts. The > > msi-available-ranges property in the dts file was used for this > > purpose. > > > > Signed-off-by: Jason Jin <[EMAIL PROTECTED]> > > --- > > In the V5 version: > > Make the msi-availble-ranges optional, remove the match > function from > > the driver, change the compatible according the change in dts. > > Looks good, MSI bits: > > Acked-by: Michael Ellerman <[EMAIL PROTECTED]> > > cheers
Thanks, Michael. Kumar, Could you please apply the MSI related patches. Thanks Jason _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
