It's possible to need to call this function on the same banks multiple times so we want to be sure that 'pos A' is cleared out again at the end.
Signed-off-by: Tom Rini trini@ti.com --- arch/arm/cpu/armv7/omap3/mem.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/mem.c b/arch/arm/cpu/armv7/omap3/mem.c index a01c303..cd5fe5c 100644 --- a/arch/arm/cpu/armv7/omap3/mem.c +++ b/arch/arm/cpu/armv7/omap3/mem.c @@ -86,6 +86,7 @@ u32 mem_ok(u32 cs) writel(0x0, addr + 4); /* remove pattern off the bus */ val1 = readl(addr + 0x400); /* get pos A value */ val2 = readl(addr); /* get val2 */ + writel(0x0, addr + 0x400); /* clear pos A */
if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */ return 0;