> If only the Linux kernel had something as heart-warming as FreeBSD's
> "diediedie ()". :D
How about this:
arch/m68k/mac/psc.c
/*
* Try to kill all DMA channels on the PSC. Not sure how this his
* supposed to work; this is code lifted from macmace.c and then
* expanded to cover what I think are the other 7 channels.
*/
void psc_dma_die_die_die(void)
{
int i;
printk("Killing all PSC DMA channels...");
for (i = 0 ; i < 9 ; i++) {
psc_write_word(PSC_CTL_BASE + (i << 4), 0x8800);
psc_write_word(PSC_CTL_BASE + (i << 4), 0x1000);
psc_write_word(PSC_CMD_BASE + (i << 5), 0x1100);
psc_write_word(PSC_CMD_BASE + (i << 5) + 0x10, 0x1100);
}
printk("done!\n");
}
-
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This archive was generated by hypermail 2b29 : Tue Jan 07 2003 - 22:00:25 EST