ata: Fix compiler warning with APM X-Gene host controller driver

This patch fixes an compiler warning with APM X-Gene host controller
driver when compiled with DEBUG enabled.

Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index fcf21f1a39f3..77c89bf171f1 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -329,7 +329,7 @@ static int xgene_ahci_hw_init(struct ahci_host_priv *hpriv)
         writel(0xffffffff, hpriv->mmio + HOST_IRQ_STAT);
         readl(hpriv->mmio + HOST_IRQ_STAT); /* Force a barrier */
         writel(0, ctx->csr_core + INTSTATUSMASK);
-        readl(ctx->csr_core + INTSTATUSMASK); /* Force a barrier */
+        val = readl(ctx->csr_core + INTSTATUSMASK); /* Force a barrier */
         dev_dbg(ctx->dev, "top level interrupt mask 0x%X value 0x%08X\n",
                 INTSTATUSMASK, val);