On 2/18/19 6:43 PM, Marek Vasut wrote:
The loop implemented in the code is supposed to check whether the PL310 operation register has any bit from the mask set. Currently, the code checks whether the PL310 operation register has any bit set AND whether the mask is non-zero, which is incorrect. Fix the conditional.
Signed-off-by: Marek Vasut marex@denx.de Cc: Dalon Westergreen dwesterg@gmail.com Cc: Dinh Nguyen dinguyen@kernel.org Cc: Tom Rini trini@konsulko.com Fixes: 93bc21930a1b ("armv7: add PL310 support to u-boot")
arch/arm/lib/cache-pl310.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/lib/cache-pl310.c b/arch/arm/lib/cache-pl310.c index 1296ba6efd..bbaaaa4157 100644 --- a/arch/arm/lib/cache-pl310.c +++ b/arch/arm/lib/cache-pl310.c @@ -33,7 +33,7 @@ static void pl310_background_op_all_ways(u32 *op_reg) /* Invalidate all ways */ writel(way_mask, op_reg); /* Wait for all ways to be invalidated */
- while (readl(op_reg) && way_mask)
- while (readl(op_reg) & way_mask) ; pl310_cache_sync();
}
Thanks for fixing this!
Reviewed-by: Dinh Nguyen dinguyen@kernel.org
Dinh