Questions about linux-device-driver
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Kernel-space: can .probe be called simultaneously/concurrently?
I have a simple kernel module for embedded ARM-based system associated with it's .compatible. As we know, multiple ".compatibles" can occur in one device tree and .probe will be called for e...
Daft Soft
Votes: 0
Answers: 1
copy_from_user and strcmp causing kernel crashes
I have recently started working with kernel modules and I'm writing a simple character device driver. My device supports operations such as read and write and my read function is working as expected.
...
hanie
Votes: 0
Answers: 0
PCIe DMA aarch64 0x10 Translation Fault
I'm trying to write a PCIe driver to DMA pages from the host memory to an FPGA. My host setup is Cavium ThunderX2 and my FPGAs are Xilinx Alveo U50.
A DMA from/to the host causes the ARM SMMU v3.4 to ...
Naarayanan_Rao
Votes: 0
Answers: 1
Issues creating a Linux device driver to manage NanoPI TWI (I2C) registers
I'm trying to develop a Linux device driver to manage the GPIO registers of a NanoPI Neo card (Allwinner H3).
I'm using a simple approach to understand the GPIO registers behaviour by means the use of...
Sir Jo Black
Votes: 0
Answers: 0