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dveo-linux-master's Issues

compilation error: conflicting types for 'dev_name'

I'm encountering an error building the driver:

# make
for n in src Examples; do make -C $n || exit 1; done
make[1]: Entering directory `/mnt/hgfs/workspace/dveo-linux-master/src'
make -C /lib/modules/2.6.18-371.1.2.el5/build M=/mnt/hgfs/workspace/dveo-linux-master/src modules
make[2]: Entering directory `/usr/src/kernels/2.6.18-371.1.2.el5-x86_64'
  CC [M]  /mnt/hgfs/workspace/dveo-linux-master/src/asicore.o
  CC [M]  /mnt/hgfs/workspace/dveo-linux-master/src/miface.o
  CC [M]  /mnt/hgfs/workspace/dveo-linux-master/src/mdma.o
  CC [M]  /mnt/hgfs/workspace/dveo-linux-master/src/dvbmaster.o
  CC [M]  /mnt/hgfs/workspace/dveo-linux-master/src/mdev.o
/mnt/hgfs/workspace/dveo-linux-master/src/mdev.c:43: error: conflicting types for ‘dev_name’
include/linux/device.h:408: error: previous definition of ‘dev_name’ was here
make[3]: *** [/mnt/hgfs/workspace/dveo-linux-master/src/mdev.o] Error 1
make[2]: *** [_module_/mnt/hgfs/workspace/dveo-linux-master/src] Error 2
make[2]: Leaving directory `/usr/src/kernels/2.6.18-371.1.2.el5-x86_64'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/mnt/hgfs/workspace/dveo-linux-master/src'
make: *** [all] Error 1

Machine details:

# uname -a
Linux host.name 2.6.18-371.1.2.el5 #1 SMP Tue Oct 22 12:51:53 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux

# cat /etc/redhat-release 
CentOS release 5.10 (Final)

DVB Master LP PCIe won't transmit on kernel 4.18 and 5.14

Hello,

I have a board recognised as "DVB Master LP PCIe, firmware version 1.2 (0x0102)". I've used this repo to build and install the drivers on Rocky Linux 8 (kernel 4.18) and 9 (kernel 5.14) - many thanks!

Unfortunately, although the kernel drivers appear to load successfully, and the device shows up under /dev/asitx0 and /dev/asirx0 as expected, the board never seems to transmit. Writing to /dev/asitx0 only succeeds until the write buffer is full, then blocks forever. In the output from txtest, there is no "transmit data status change detected" line (which is seen on a working platform), and it hangs forever after printing "Allocating 38352 bytes of memory." (in verbose mode).

Investigating further, it appears that the IRQ handler (in dvbm_lpfd.c in my case) registered via request_irq() is never called. This leads me to think the board is not actually doing anything, even after DMA is started (via dvbm_lpfd_start_tx_dma()) - but I don't know enough to figure out why.

Drivers compiled from the same source do work successfully on CentOS 7 with kernel 3.10, but not when I upgrade the CentOS 7 kernel to 5.4 (using the kernel available in ELRepo).

Does anyone have any ideas?

Many thanks!
David

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