Bill Gatliff wrote: > > It looks like the current version of the MPC52xx SPI driver won't work > with sleep-capable GPIOs for slave-selects. In particular, it looks > like mpc52xx_spi_fsmstate_transfer() is an interrupt handler that calls > mpc52xx_spi_chipsel(), which itself calls gpio_set_value(). Or, at > least my kernel thinks so, since I get a barrage of oops-type output > screaming at me whenever I hit the SPI device. :) > > Am I missing something, or is this a known (or at least now-identified) > limitation of the current mpc52xx_spi.c? >
So, nobody has any feedback on this? :) Would using a threaded handler for the SPI interrupts be likely to work here? b.g. -- Bill Gatliff Embedded systems training and consulting http://billgatliff.com b...@billgatliff.com _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev