On Thu, Mar 11, 2021 at 11:50:32AM +0200, eli.billauer@xxxxxxxxx wrote: > From: Eli Billauer <eli.billauer@xxxxxxxxx> > > This patch is a preparation for adding another related driver, XillyUSB. > In order to share some code between the existing Xillybus driver and the > one to be added, some functions are moved to xillybus_class.c > > The header file, xillybus_class.h, is temporarily placed in include/linux/, > because the new XillyUSB driver is intended as a staging driver for the > time being. > > Signed-off-by: Eli Billauer <eli.billauer@xxxxxxxxx> > --- > > Notes: > Changelog: > > v4: > - Fix error code return value bugs in xillybus_init_chrdev() as detected by > Smatch test robot, and reported by Dan Carpenter. > > This patch did not exist prior to v3. > > drivers/char/xillybus/Kconfig | 4 + > drivers/char/xillybus/Makefile | 1 + > drivers/char/xillybus/xillybus.h | 10 +- > drivers/char/xillybus/xillybus_class.c | 263 +++++++++++++++++++++++++ > drivers/char/xillybus/xillybus_core.c | 181 +++-------------- > include/linux/xillybus_class.h | 30 +++ > 6 files changed, 322 insertions(+), 167 deletions(-) > create mode 100644 drivers/char/xillybus/xillybus_class.c > create mode 100644 include/linux/xillybus_class.h > > diff --git a/drivers/char/xillybus/Kconfig b/drivers/char/xillybus/Kconfig > index 130dbdce858f..e7800f025249 100644 > --- a/drivers/char/xillybus/Kconfig > +++ b/drivers/char/xillybus/Kconfig > @@ -3,10 +3,14 @@ > # Xillybus devices > # > > +config XILLYBUS_CLASS > + tristate > + > config XILLYBUS > tristate "Xillybus generic FPGA interface" > depends on PCI || OF > select CRC32 > + select XILLYBUS_CLASS depends on, do not select.
