psc_number        274 arch/powerpc/include/asm/mpc52xx.h extern int mpc5200_psc_ac97_gpio_reset(int psc_number);
psc_number        278 arch/powerpc/platforms/52xx/mpc52xx_common.c int mpc5200_psc_ac97_gpio_reset(int psc_number)
psc_number        290 arch/powerpc/platforms/52xx/mpc52xx_common.c 	switch (psc_number) {