dmaengine: pl08x: Use the BIT() macro consistently

This makes the driver shift bits with BIT() which is used on other
places in the driver.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 8624598..286114e 100644 (file)
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -420,7 +420,7 @@ static void pl08x_start_next_txd(struct pl08x_dma_chan *plchan)
 
        /* Enable the DMA channel */
        /* Do not access config register until channel shows as disabled */
-       while (readl(pl08x->base + PL080_EN_CHAN) & (1 << phychan->id))
+       while (readl(pl08x->base + PL080_EN_CHAN) & BIT(phychan->id))
                cpu_relax();
 
        /* Do not access config register until channel shows as inactive */
@@ -487,8 +487,8 @@ static void pl08x_terminate_phy_chan(struct pl08x_driver_data *pl08x,
 
        writel(val, ch->reg_config);
 
-       writel(1 << ch->id, pl08x->base + PL080_ERR_CLEAR);
-       writel(1 << ch->id, pl08x->base + PL080_TC_CLEAR);
+       writel(BIT(ch->id), pl08x->base + PL080_ERR_CLEAR);
+       writel(BIT(ch->id), pl08x->base + PL080_TC_CLEAR);
 }
 
 static inline u32 get_bytes_in_cctl(u32 cctl)
@@ -1837,7 +1837,7 @@ static irqreturn_t pl08x_irq(int irq, void *dev)
                return IRQ_NONE;
 
        for (i = 0; i < pl08x->vd->channels; i++) {
-               if (((1 << i) & err) || ((1 << i) & tc)) {
+               if ((BIT(i) & err) || (BIT(i) & tc)) {
                        /* Locate physical channel */
                        struct pl08x_phy_chan *phychan = &pl08x->phy_chans[i];
                        struct pl08x_dma_chan *plchan = phychan->serving;
@@ -1875,7 +1875,7 @@ static irqreturn_t pl08x_irq(int irq, void *dev)
                        }
                        spin_unlock(&plchan->vc.lock);
 
-                       mask |= (1 << i);
+                       mask |= BIT(i);
                }
        }
 

diff --git a/include/linux/amba/pl080.h b/include/linux/amba/pl080.h
index 800429f..580b532 100644 (file)
--- a/include/linux/amba/pl080.h
+++ b/include/linux/amba/pl080.h
@@ -38,9 +38,9 @@
 #define PL080_SOFT_LSREQ                       (0x2C)
 
 #define PL080_CONFIG                           (0x30)
-#define PL080_CONFIG_M2_BE                     (1 << 2)
-#define PL080_CONFIG_M1_BE                     (1 << 1)
-#define PL080_CONFIG_ENABLE                    (1 << 0)
+#define PL080_CONFIG_M2_BE                     BIT(2)
+#define PL080_CONFIG_M1_BE                     BIT(1)
+#define PL080_CONFIG_ENABLE                    BIT(0)
 
 #define PL080_SYNC                             (0x34)
 
@@ -58,18 +58,18 @@
 
 #define PL080_LLI_ADDR_MASK                    (0x3fffffff << 2)
 #define PL080_LLI_ADDR_SHIFT                   (2)
-#define PL080_LLI_LM_AHB2                      (1 << 0)
+#define PL080_LLI_LM_AHB2                      BIT(0)
 
-#define PL080_CONTROL_TC_IRQ_EN                        (1 << 31)
+#define PL080_CONTROL_TC_IRQ_EN                        BIT(31)
 #define PL080_CONTROL_PROT_MASK                        (0x7 << 28)
 #define PL080_CONTROL_PROT_SHIFT               (28)
-#define PL080_CONTROL_PROT_CACHE               (1 << 30)
-#define PL080_CONTROL_PROT_BUFF                        (1 << 29)
-#define PL080_CONTROL_PROT_SYS                 (1 << 28)
-#define PL080_CONTROL_DST_INCR                 (1 << 27)
-#define PL080_CONTROL_SRC_INCR                 (1 << 26)
-#define PL080_CONTROL_DST_AHB2                 (1 << 25)
-#define PL080_CONTROL_SRC_AHB2                 (1 << 24)
+#define PL080_CONTROL_PROT_CACHE               BIT(30)
+#define PL080_CONTROL_PROT_BUFF                        BIT(29)
+#define PL080_CONTROL_PROT_SYS                 BIT(28)
+#define PL080_CONTROL_DST_INCR                 BIT(27)
+#define PL080_CONTROL_SRC_INCR                 BIT(26)
+#define PL080_CONTROL_DST_AHB2                 BIT(25)
+#define PL080_CONTROL_SRC_AHB2                 BIT(24)
 #define PL080_CONTROL_DWIDTH_MASK              (0x7 << 21)
 #define PL080_CONTROL_DWIDTH_SHIFT             (21)
 #define PL080_CONTROL_SWIDTH_MASK              (0x7 << 18)
@@ -95,20 +95,20 @@
 #define PL080_WIDTH_16BIT                      (0x1)
 #define PL080_WIDTH_32BIT                      (0x2)
 
-#define PL080N_CONFIG_ITPROT                   (1 << 20)
-#define PL080N_CONFIG_SECPROT                  (1 << 19)
-#define PL080_CONFIG_HALT                      (1 << 18)
-#define PL080_CONFIG_ACTIVE                    (1 << 17)  /* RO */
-#define PL080_CONFIG_LOCK                      (1 << 16)
-#define PL080_CONFIG_TC_IRQ_MASK               (1 << 15)
-#define PL080_CONFIG_ERR_IRQ_MASK              (1 << 14)
+#define PL080N_CONFIG_ITPROT                   BIT(20)
+#define PL080N_CONFIG_SECPROT                  BIT(19)
+#define PL080_CONFIG_HALT                      BIT(18)
+#define PL080_CONFIG_ACTIVE                    BIT(17)  /* RO */
+#define PL080_CONFIG_LOCK                      BIT(16)
+#define PL080_CONFIG_TC_IRQ_MASK               BIT(15)
+#define PL080_CONFIG_ERR_IRQ_MASK              BIT(14)
 #define PL080_CONFIG_FLOW_CONTROL_MASK         (0x7 << 11)
 #define PL080_CONFIG_FLOW_CONTROL_SHIFT                (11)
 #define PL080_CONFIG_DST_SEL_MASK              (0xf << 6)
 #define PL080_CONFIG_DST_SEL_SHIFT             (6)
 #define PL080_CONFIG_SRC_SEL_MASK              (0xf << 1)
 #define PL080_CONFIG_SRC_SEL_SHIFT             (1)
-#define PL080_CONFIG_ENABLE                    (1 << 0)
+#define PL080_CONFIG_ENABLE                    BIT(0)
 
 #define PL080_FLOW_MEM2MEM                     (0x0)
 #define PL080_FLOW_MEM2PER                     (0x1)