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hw/omap_gpio: Fix infinite recursion when doing 8/16 bit reads 

Fix a long-standing bug which meant that any attempt to do an
8 or 16 bit read from the OMAP GPIO module would cause qemu to
crash due to an infinite recursion.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Peter Maydell 2011-11-07 13:25:45 +00:00 committed by Anthony Liguori
parent 371572dff4
commit e1556ad5b8
1 changed files with 1 additions and 1 deletions
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2
hw/omap_gpio.c
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@ -510,7 +510,7 @@ static void omap2_gpio_module_write(void *opaque, target_phys_addr_t addr,
static uint32_t omap2_gpio_module_readp(void *opaque, target_phys_addr_t addr)
{
return omap2_gpio_module_readp(opaque, addr) >> ((addr & 3) << 3);
return omap2_gpio_module_read(opaque, addr & ~3) >> ((addr & 3) << 3);
}
static void omap2_gpio_module_writep(void *opaque, target_phys_addr_t addr,