Hi...
i inserted a printk in asm/io.h in the __readb function to get some data
about mmio transfer. I am able to compile the kernel properly but donno why
it crashes at boot time.Can anyone help me with this. what can be the reason
for this crash.this is what i have done.
static __always_inline __u32 __readl(const volatile void __iomem *addr)
{
printk("r bytes 4 addr %p \n",addr);
return *(__force volatile __u32 *)addr;
}
maybe because console isn't fully initialized? try using
printk_early() instead...
regards,
Mulyadi
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