static void __init
plat_setup_iocoherency(void)
{
#ifdef CONFIG_DMA_NONCOHERENT
/*
* Kernel has been configured with software coherency
* but we might choose to turn it off
*/
if (plat_enable_iocoherency()) {
if (coherentio == 0)
pr_info("Hardware DMA cache coherency supported"
" but disabled from command line\n");
else {
coherentio = 1;
printk(KERN_INFO "Hardware DMA cache coherency\n");
}
} else {
if (coherentio == 1)
pr_info("Hardware DMA cache coherency not supported"
" but enabled from command line\n");
else {
coherentio = 0;
pr_info("Software DMA cache coherency\n");
}
}
#else
if (!plat_enable_iocoherency())
panic("Hardware DMA cache coherency not supported");
#endif
}
static void __init plat_setup_iocoherency(void)
{
if (plat_enable_iocoherency()) {
if (coherentio == IO_COHERENCE_DISABLED)
pr_info("Hardware DMA cache coherency disabled\n");
else
pr_info("Hardware DMA cache coherency enabled\n");
} else {
if (coherentio == IO_COHERENCE_ENABLED)
pr_info("Hardware DMA cache coherency unsupported, but enabled from command line!\n");
else
pr_info("Software DMA cache coherency enabled\n");
}
}
static void __init plat_setup_iocoherency(void)
{
#ifdef CONFIG_DMA_NONCOHERENT
/*
* Kernel has been configured with software coherency
* but we might choose to turn it off and use hardware
* coherency instead.
*/
if (plat_enable_iocoherency()) {
if (coherentio == 0)
pr_info("Hardware DMA cache coherency disabled\n");
else
pr_info("Hardware DMA cache coherency enabled\n");
} else {
if (coherentio == 1)
pr_info("Hardware DMA cache coherency unsupported, but enabled from command line!\n");
else
pr_info("Software DMA cache coherency enabled\n");
}
#else
if (!plat_enable_iocoherency())
panic("Hardware DMA cache coherency not supported!");
#endif
}
