Re: [PATCH 1/2 v2] powerpc/5200: add mpc5200_psc_ac97_gpio_reset

2010-06-14 Thread Grant Likely
On Mon, Jun 14, 2010 at 3:55 PM, Eric Millbrandt wrote: > Work around a silicon bug in the ac97 reset functionality of the > mpc5200(b).  The implementation of the ac97 "cold" reset is flawed. > If the sync and output lines are high when reset is asserted the > attached ac97 device may go into tes

[PATCH 1/2 v2] powerpc/5200: add mpc5200_psc_ac97_gpio_reset

2010-06-14 Thread Eric Millbrandt
Work around a silicon bug in the ac97 reset functionality of the mpc5200(b). The implementation of the ac97 "cold" reset is flawed. If the sync and output lines are high when reset is asserted the attached ac97 device may go into test mode. Avoid this by reconfiguring the psc to gpio mode and gen