On 12/14/2016 09:42 AM, Arnd Bergmann wrote: > On Wednesday, December 14, 2016 1:11:49 AM CET Holger Dengler wrote: >> The Flexcard PCI BAR0 contain registers for configuration but also >> for informational purpose like error counter, statistical information >> and some timestamps. The read-only mmap of the misc device offers the >> userspace a fast access to these registers. >> >> Signed-off-by: Benedikt Spranger <b.spranger@xxxxxxxxxxxxx> >> Signed-off-by: Holger Dengler <dengler@xxxxxxxxxxxxx> >> cc: Arnd Bergmann <arnd@xxxxxxxx> >> cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> >> --- >> drivers/mfd/Kconfig | 1 + >> drivers/misc/Kconfig | 6 ++ >> drivers/misc/Makefile | 1 + >> drivers/misc/flexcard_misc.c | 165 +++++++++++++++++++++++++++++++++++++++++++ >> 4 files changed, 173 insertions(+) >> create mode 100644 drivers/misc/flexcard_misc.c >> > > Maybe this could fit better in drivers/uio/ than drivers/misc? It > seems to only export a memory mapped device. You're right, this patch only introduce the memory mapping. But the next patch in series add also some attributes to the device, therfore we put it in drivers/misc. > > Arnd > -- Gruß, Holger Dengler -- phone: +49 7556 25 999 14; fax: +49 7556 25 999 99
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