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Commit a1fce732 authored by Stuart Menefy's avatar Stuart Menefy Committed by Paul Mundt
Browse files

sh: Fix overzealous checking in __ioremap() 



Allow peripherals before the start of RAM to be remapped.

Signed-off-by: default avatarStuart Menefy <stuart.menefy@st.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 6000fc4d

arch/sh/mm/ioremap_32.c

+0 −8
Original line number Diff line number Diff line
@@ -57,14 +57,6 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size, 
	if (is_pci_memory_fixed_range(phys_addr, size))

		return (void __iomem *)phys_addr;



#if !defined(CONFIG_PMB_FIXED)

	/*

	 * Don't allow anybody to remap normal RAM that we're using..

	 */

	if (phys_addr < virt_to_phys(high_memory))

		return NULL;

#endif



	/*

	 * Mappings have to be page-aligned

	 */