On Wed, Mar 04, 2015 at 09:00:39AM +0100, leroy christophe wrote: > Le 03/03/2015 19:44, Mark Brown a écrit : > >Why are we using of_iomap() rather than a generic I/O mapping function > >here? > because all drivers for powerpc seems to be using of_iomap(), as on powerpc > the HW is described by the bootloader in a OF device tree. > Today, of_iomap() is at least used in FSL SPI, FSL UART, SPI mpc52xx, UART > mpc52xx, i2c-mpc, i2c-cpm, freescale ethernet drivers, etc .... > Is it not correct ? It's legacy, all that code is really old. Modern code is written in as architecture and firmware neutral a fashion as possible to make things more consistent and maintainable.
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