musb: sunxi: Use BIT instead of numerical shift

Use BIT is possible areas instead of numerical shift.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Jun Nie <jun.nie@linaro.org>

diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index b473e2f..a33ebe5 100644 (file)
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -93,9 +93,9 @@ static u32 USBC_WakeUp_ClearChangeDetect(u32 reg_val)
 {
        u32 temp = reg_val;
 
-       temp &= ~(1 << USBC_BP_ISCR_VBUS_CHANGE_DETECT);
-       temp &= ~(1 << USBC_BP_ISCR_ID_CHANGE_DETECT);
-       temp &= ~(1 << USBC_BP_ISCR_DPDM_CHANGE_DETECT);
+       temp &= ~BIT(USBC_BP_ISCR_VBUS_CHANGE_DETECT);
+       temp &= ~BIT(USBC_BP_ISCR_ID_CHANGE_DETECT);
+       temp &= ~BIT(USBC_BP_ISCR_DPDM_CHANGE_DETECT);
 
        return temp;
 }
@@ -105,7 +105,7 @@ static void USBC_EnableIdPullUp(__iomem void *base)
        u32 reg_val;
 
        reg_val = musb_readl(base, USBC_REG_o_ISCR);
-       reg_val |= (1 << USBC_BP_ISCR_ID_PULLUP_EN);
+       reg_val |= BIT(USBC_BP_ISCR_ID_PULLUP_EN);
        reg_val = USBC_WakeUp_ClearChangeDetect(reg_val);
        musb_writel(base, USBC_REG_o_ISCR, reg_val);
 }
@@ -115,7 +115,7 @@ static void USBC_EnableDpDmPullUp(__iomem void *base)
        u32 reg_val;
 
        reg_val = musb_readl(base, USBC_REG_o_ISCR);
-       reg_val |= (1 << USBC_BP_ISCR_DPDM_PULLUP_EN);
+       reg_val |= BIT(USBC_BP_ISCR_DPDM_PULLUP_EN);
        reg_val = USBC_WakeUp_ClearChangeDetect(reg_val);
        musb_writel(base, USBC_REG_o_ISCR, reg_val);
 }
@@ -171,7 +171,7 @@ static void USBC_ConfigFIFO_Base(void)
        /* config usb fifo, 8kb mode */
        reg_value = readl(SUNXI_SRAMC_BASE + 0x04);
        reg_value &= ~(0x03 << 0);
-       reg_value |= (1 << 0);
+       reg_value |= BIT(0);
        writel(reg_value, SUNXI_SRAMC_BASE + 0x04);
 }
 
@@ -275,15 +275,15 @@ static int sunxi_musb_init(struct musb *musb)
 
        musb->isr = sunxi_musb_interrupt;
 
-       setbits_le32(&glue->ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);
+       setbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0));
        if (glue->cfg->clkgate_bit)
                setbits_le32(&glue->ccm->ahb_gate0,
-                            1 << glue->cfg->clkgate_bit);
+                            BIT(glue->cfg->clkgate_bit));
 #ifdef CONFIG_SUNXI_GEN_SUN6I
-       setbits_le32(&glue->ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0);
+       setbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0));
        if (glue->cfg->rst_bit)
                setbits_le32(&glue->ccm->ahb_reset0_cfg,
-                            1 << glue->cfg->rst_bit);
+                            BIT(glue->cfg->rst_bit));
 #endif
 
        sunxi_usb_phy_init(0);
@@ -415,15 +415,15 @@ static int musb_usb_remove(struct udevice *dev)
 
        sunxi_usb_phy_exit(0);
 #ifdef CONFIG_SUNXI_GEN_SUN6I
-       clrbits_le32(&glue->ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0);
+       clrbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0));
        if (glue->cfg->rst_bit)
                clrbits_le32(&glue->ccm->ahb_reset0_cfg,
-                            1 << glue->cfg->rst_bit);
+                            BIT(glue->cfg->rst_bit));
 #endif
-       clrbits_le32(&glue->ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);
+       clrbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0));
        if (glue->cfg->clkgate_bit)
                clrbits_le32(&glue->ccm->ahb_gate0,
-                            1 << glue->cfg->clkgate_bit);
+                            BIT(glue->cfg->clkgate_bit));
 
        free(host->host);
        host->host = NULL;