3.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Will Deacon <will.deacon@xxxxxxx>
commit ab2a724a2ef9cee5957692257a5d1f08fd7acbbd upstream.
When running on Integrator/AP using atags, ap_syscon_base is initialised
in ->map_io, which isn't called for !MMU platforms.
Instead, initialise the pointer in ->machine_init, as we do when booting
with device-tree.
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Olof Johansson <olof@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-integrator/integrator_ap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -613,7 +613,6 @@ static struct map_desc ap_io_desc_atag[]
static void __init ap_map_io_atag(void)
{
iotable_init(ap_io_desc_atag, ARRAY_SIZE(ap_io_desc_atag));
- ap_syscon_base = __io_address(INTEGRATOR_SC_BASE);
ap_map_io();
}
@@ -685,6 +684,7 @@ static void __init ap_init(void)
platform_device_register(&cfi_flash_device);
+ ap_syscon_base = __io_address(INTEGRATOR_SC_BASE);
sc_dec = readl(ap_syscon_base + INTEGRATOR_SC_DEC_OFFSET);
for (i = 0; i < 4; i++) {
struct lm_device *lmdev;
--
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