dmaengine: idma64: convert to __ffs()

We replace __fls() by __ffs() since we have to find a *minimum* data width that
satisfies both source and destination.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 18c14e1f1414e650969ff3c9e34431072b3abd83..13c52b87d59bc29cb254ffa938c973544adff0c5 100644 (file)
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -257,15 +257,15 @@ static u64 idma64_hw_desc_fill(struct idma64_hw_desc *hw,
                dar = config->dst_addr;
                ctllo |= IDMA64C_CTLL_DST_FIX | IDMA64C_CTLL_SRC_INC |
                         IDMA64C_CTLL_FC_M2P;
-               src_width = min_t(u32, 2, __fls(sar | hw->len));
-               dst_width = __fls(config->dst_addr_width);
+               src_width = min_t(u32, 2, __ffs(sar | hw->len));
+               dst_width = __ffs(config->dst_addr_width);
        } else {        /* DMA_DEV_TO_MEM */
                sar = config->src_addr;
                dar = hw->phys;
                ctllo |= IDMA64C_CTLL_DST_INC | IDMA64C_CTLL_SRC_FIX |
                         IDMA64C_CTLL_FC_P2M;
-               src_width = __fls(config->src_addr_width);
-               dst_width = min_t(u32, 2, __fls(dar | hw->len));
+               src_width = __ffs(config->src_addr_width);
+               dst_width = min_t(u32, 2, __ffs(dar | hw->len));
        }
 
        lli->sar = sar;