svn commit: r320844 - in head: etc/mtree include lib/libcam sys/amd64/conf sys/arm/broadcom/bcm2835 sys/arm/conf sys/arm/ti sys/cam sys/cam/mmc sys/cam/scsi sys/conf sys/dev/mmc sys/dev/sdhci sys/m...

[Warner Losh]

On Sun, Jul 9, 2017 at 12:42 PM, Marius Strobl <marius at freebsd.org> wrote:

> On Sun, Jul 09, 2017 at 04:57:24PM +0000, Warner Losh wrote:
> > Author: imp
> > Date: Sun Jul  9 16:57:24 2017
> > New Revision: 320844
> > URL: https://svnweb.freebsd.org/changeset/base/320844
> >
> > Log:
> >   An MMC/SD/SDIO stack using CAM
> >
> >   Implement the MMC/SD/SDIO protocol within a CAM framework. CAM's
> >   flexible queueing will make it easier to write non-storage drivers
> >   than the legacy stack. SDIO drivers from both the kernel and as
> >   userland daemons are possible, though much of that functionality will
> >   come later.
>
> At least with a non-MMCCAM kernel, with this revision in place I get
> an endless storm of "unexpected" SDHCI_INT_CARD_INT interrupts during
> boot. Apparently this is due to the fact that sdhci(4) now enables
> these interrupts, but sdhci_generic_intr() neither actually handles
> them nor clears them from intmask.
>

OK. I'll look into it. Since I don't have an SDHCI card in the system I
tested it in, I never saw these...


> Btw., were mmc.ko and mmcsd.ko disconnected on purpose with this commit?


No, I'll reconnect.

Warner