On Tue, Jun 25, 2024 at 09:44:44AM +0800, Shiji Yang wrote:
> for (size = sz_min; size < sz_max; size <<= 1) {
> - if (!memcmp(dm, dm + size, sizeof(detect_magic)))
> - break;
> + __raw_writel(MIPS_MEM_TEST_PATTERN, dm);
> + if (__raw_readl(dm) == __raw_readl(dm + size)) {
> + __raw_writel(~MIPS_MEM_TEST_PATTERN, dm);
> + if (__raw_readl(dm) == __raw_readl(dm + size))
> + break;
> + }
you are testing memory, so just use pointers. __raw_readl and __raw_writel
are for io regions (which should be ioremppaed before usage).
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
