Date: Sun, 9 Jul 2017 14:49:56 -0600 From: Warner Losh <imp@bsdimp.com> To: Marius Strobl <marius@freebsd.org> Cc: Warner Losh <imp@freebsd.org>, src-committers <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: 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... Message-ID: <CANCZdfqim1ksF6%2BJ4j-nnEH5GKSHtAoGJOfJceOd6OjYtjys8g@mail.gmail.com> In-Reply-To: <CANCZdfrQeqUC7_ppkhk2poSwr3Kgm7VGqBcOg5-AWzuPqJ0GCw@mail.gmail.com> References: <201707091657.v69GvOar096942@repo.freebsd.org> <20170709184221.GB38352@alchemy.franken.de> <CANCZdfrQeqUC7_ppkhk2poSwr3Kgm7VGqBcOg5-AWzuPqJ0GCw@mail.gmail.com>
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On Sun, Jul 9, 2017 at 2:40 PM, Warner Losh <imp@bsdimp.com> wrote: > > > On Sun, Jul 9, 2017 at 12:42 PM, Marius Strobl <marius@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... > Looking at the code, the problem is obvious. It looks like it came in on a late commit to the mmccam integration branch. I'll revert which should solve your problem. Looking at my notes and test systems, I did test this on a NUC, but it was an older version w/o the patch I just reverted. Sorry for the hassle. r320850 > Btw., were mmc.ko and mmcsd.ko disconnected on purpose with this commit? > > > No, I'll reconnect. > This has been done. r320849 Warner
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