Device drivers take on a special role in the Linux kernel.
I am learning to write character device drivers from the Kernel Module Programming Guide, and used mknod to create a …
command-line linux-kernel linux-device-driver kernel-module mknodI'm learning how to use sysfs in my Linux modules, but I'm having the hardest time finding current documentation on …
c linux linux-kernel linux-device-driver sysfsCan anyone explain the working of list_for_each_entry and ...entry_safe loop in linux. It is like list_…
list linux-kernel linux-device-driverI'm studying on writing embedded linux driver, and decided to fire a few GPIOs to make sure I understand the …
c linux-kernel linux-device-driver embedded-linuxLet's say the buffer is allocated using a page based scheme. One way to implement mmap would be to use …
linux linux-kernel linux-device-driverIn drivers I often see these three types of init functions being used. module_init() core_initcall() early_initcall() Under …
linux-kernel linux-device-driver initWhile understanding each by itself (or maybe not), looks like I'm far from understanding the practical differences between the two. …
linux-device-driver device-driver vxworks bspEg: a common device module's Makefile obj-m:=jc.o default: $(MAKE) -C /lib/modules/$(shell uname -r)/build M=$(shell …
makefile linux-kernel linux-device-driverI have found devm_kzalloc() and kzalloc() in device driver programmong. But I don't know when/where to use these …
linux-kernel linux-device-driver device-driverI'm learning about the blocking I/O functions for writing linux device driver and I'm wondering what is the usage …
c linux-kernel linux-device-driver