sunxi: use setbits_le32 to enable the DMA clock

Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Acked-by: Hans de Goede <hdegoede@redhat.com>
digi-embedded · Jul 18, 2014 · 7c48b01 · 7c48b01
1 parent abce2c6
commit 7c48b01
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c
@@ -36,8 +36,7 @@ void clock_init_safe(void)
 	       CPU_CLK_SRC_PLL1 << CPU_CLK_SRC_SHIFT,
 	       &ccm->cpu_ahb_apb0_cfg);
 #ifdef CONFIG_SUN7I
-	writel(0x1 << AHB_GATE_OFFSET_DMA | readl(&ccm->ahb_gate0),
-	       &ccm->ahb_gate0);
+	setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_DMA);
 #endif
 	writel(PLL6_CFG_DEFAULT, &ccm->pll6_cfg);
 }