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Kernel 3.4 to 3.10 porting guide

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Revision as of 23:12, 10 July 2013 by Tim Bird (Talk | contribs)

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Here are some issues you may run into when porting something from 3.4 to 3.10:

  • a whole set of __dev... macros are no longer used or defined
    • Here is the list: __devinit, __devinitdata, __devinitconst, __devexit, __devexitdata, __devexitconst
    • background: These attributes were used on certain driver functions and data declarations, putting them in a separate section that could be discarded under certain circumstances. This functionality is no longer relevant, and the macros were removed in version 3.8 of the kernel. The macros should no longer be used.
    • Just remove the attributes any place they are used.
    • see this commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54b956b903607

  • sysdev.h is gone, along with all it declared:
    • struct sys_device, struct sysdev_attribute

  • arch/arm/include/asm/hardware/gic.h was moved to include/linux/irqchip/arm-gic.h
    • change #include <asm/hardware/gic.h> to #include <linux/irqchip/arm-gic.h>