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sparc32,leon: SRMMU MMU Table probe fix

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The LEON MMU Model (SRMMU) does not implement MMu Table probing
in hardware, instead it is implemented in software. However the
software implementation does not return the PTE as it should which
always results in INVALID entires and the PROM mappings are not
inherited as they should during startup. The following patch
removes the masking of the PTE.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Hellstrom 2011-09-08 03:11:15 +00:00 committed by David S. Miller
parent 3ee72ca992
commit f22ed71cd6
2 changed files with 2 additions and 2 deletions
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2
arch/sparc/include/asm/pgtsrmmu.h
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@ -280,7 +280,7 @@ static inline unsigned long srmmu_hwprobe(unsigned long vaddr)
return retval;
}
#else
#define srmmu_hwprobe(addr) (srmmu_swprobe(addr, 0) & SRMMU_PTE_PMASK)
#define srmmu_hwprobe(addr) srmmu_swprobe(addr, 0)
#endif
static inline int

2
arch/sparc/mm/leon_mm.c
View file

@ -162,7 +162,7 @@ ready:
printk(KERN_INFO "swprobe: padde %x\n", paddr_calc);
if (paddr)
*paddr = paddr_calc;
return paddrbase;
return pte;
}
void leon_flush_icache_all(void)