There's no special reason why AMBA device drivers should not be auto-loadable via udev, but udev currently has no way to map AMBA device IDs to drivers.
As part of the effort to help enable the building of multiple ARM platforms into a single kernel image in the future, it's desirable to be able to build any non-critical platform-specific drivers as modules. A straightforward solution is to use modaliases to allow udev to identify the correct driver module to load. This series enables the general infrastructure for modalias generation to work for AMBA devices, and enables it in the affected drivers. Briefly tested on Versatile Express, including aaci, mmci and amba-clcd (which appears to have the most interesting modalias match pattern). For me, the appropiate modules now get loaded at udev trigger time. Any comments and feedback are welcome. Dave Martin (16): ARM: amba: Move definition of struct amba_id to mod_devicetable.h ARM: amba: Auto-generate AMBA driver module aliases during modpost hwrng: nomadik: Enable module alias autogeneration for AMBA drivers dmaengine: pl08x: Enable module alias autogeneration for AMBA drivers dmaengine: pl330: Enable module alias autogeneration for AMBA drivers gpio: pl061: Enable module alias autogeneration for AMBA drivers input: ambakmi: Enable module alias autogeneration for AMBA drivers mmc: mmci: Enable module alias autogeneration for AMBA drivers rtc: pl030: Enable module alias autogeneration for AMBA drivers rtc: pl031: Enable module alias autogeneration for AMBA drivers spi: pl022: Enable module alias autogeneration for AMBA drivers serial: pl010: Enable module alias autogeneration for AMBA drivers serial: pl011: Enable module alias autogeneration for AMBA drivers fbdev: amba: Enable module alias autogeneration for AMBA drivers watchdog: sp805: Enable module alias autogeneration for AMBA drivers sound: aaci: Enable module alias autogeneration for AMBA drivers drivers/amba/bus.c | 9 ++++- drivers/char/hw_random/nomadik-rng.c | 2 + drivers/dma/amba-pl08x.c | 2 + drivers/dma/pl330.c | 2 + drivers/gpio/gpio-pl061.c | 2 + drivers/input/serio/ambakmi.c | 2 + drivers/mmc/host/mmci.c | 2 + drivers/rtc/rtc-pl030.c | 2 + drivers/rtc/rtc-pl031.c | 2 + drivers/spi/spi-pl022.c | 2 + drivers/tty/serial/amba-pl010.c | 2 + drivers/tty/serial/amba-pl011.c | 2 + drivers/video/amba-clcd.c | 2 + drivers/watchdog/sp805_wdt.c | 2 + include/linux/amba/bus.h | 7 +--- include/linux/mod_devicetable.h | 18 ++++++++ scripts/mod/file2alias.c | 72 ++++++++++++++++++++++++++++++++++ sound/arm/aaci.c | 2 + 18 files changed, 127 insertions(+), 7 deletions(-) -- 1.7.4.1 ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2dcopy1 _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general
