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Revert "ARM: relax ioremap prohibition (309caa9) for -final and -stable"

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This reverts commit 06c1088, as promised in the warning message.
This commit is contained in:
Russell King 2010-12-21 10:42:20 +00:00
parent dec12e62c0
commit 67cfa23ac9
1 changed files with 2 additions and 6 deletions
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8
arch/arm/mm/ioremap.c
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@ -204,12 +204,8 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
/* /*
* Don't allow RAM to be mapped - this causes problems with ARMv6+ * Don't allow RAM to be mapped - this causes problems with ARMv6+
*/ */
if (pfn_valid(pfn)) { if (WARN_ON(pfn_valid(pfn)))
printk(KERN_WARNING "BUG: Your driver calls ioremap() on system memory. This leads\n" return NULL;
KERN_WARNING "to architecturally unpredictable behaviour on ARMv6+, and ioremap()\n"
KERN_WARNING "will fail in the next kernel release. Please fix your driver.\n");
WARN_ON(1);
}
type = get_mem_type(mtype); type = get_mem_type(mtype);
if (!type) if (!type)