diff mbox series

[v3,4/7] ata: ahci_sunxi: use xxxsetbitsi_le32 functions

Message ID 1540366553-18541-5-git-send-email-clabbe@baylibre.com (mailing list archive)
State Not Applicable
Headers show
Series include: add setbits32/clrbits32/clrsetbits32/setbits64/clrbits64/clrsetbits64 | expand

Commit Message

Corentin LABBE Oct. 24, 2018, 7:35 a.m. UTC 
This patch converts ahci_sunxi to use xxxsetbits_le32 functions

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
 drivers/ata/ahci_sunxi.c | 62 +++++++++++-----------------------------
 1 file changed, 17 insertions(+), 45 deletions(-)

Comments

Sergei Shtylyov Oct. 24, 2018, 7:57 a.m. UTC | #1 
Hello!

    Typo in the subject: s/xxxsetbitsi/xxxsetbits/.

On 24.10.2018 10:35, Corentin Labbe wrote:

> This patch converts ahci_sunxi to use xxxsetbits_le32 functions
>
> Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
[...]

MBR, Sergei
diff mbox series

Patch

diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
index 911710643305..69c2e01c3d52 100644
--- a/drivers/ata/ahci_sunxi.c
+++ b/drivers/ata/ahci_sunxi.c
@@ -25,6 +25,7 @@ 
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
+#include <linux/setbits.h>
 #include "ahci.h"
 
 #define DRV_NAME "ahci-sunxi"
@@ -58,34 +59,6 @@  MODULE_PARM_DESC(enable_pmp,
 #define AHCI_P0PHYCR	0x0178
 #define AHCI_P0PHYSR	0x017c
 
-static void sunxi_clrbits(void __iomem *reg, u32 clr_val)
-{
-	u32 reg_val;
-
-	reg_val = readl(reg);
-	reg_val &= ~(clr_val);
-	writel(reg_val, reg);
-}
-
-static void sunxi_setbits(void __iomem *reg, u32 set_val)
-{
-	u32 reg_val;
-
-	reg_val = readl(reg);
-	reg_val |= set_val;
-	writel(reg_val, reg);
-}
-
-static void sunxi_clrsetbits(void __iomem *reg, u32 clr_val, u32 set_val)
-{
-	u32 reg_val;
-
-	reg_val = readl(reg);
-	reg_val &= ~(clr_val);
-	reg_val |= set_val;
-	writel(reg_val, reg);
-}
-
 static u32 sunxi_getbits(void __iomem *reg, u8 mask, u8 shift)
 {
 	return (readl(reg) >> shift) & mask;
@@ -100,22 +73,21 @@  static int ahci_sunxi_phy_init(struct device *dev, void __iomem *reg_base)
 	writel(0, reg_base + AHCI_RWCR);
 	msleep(5);
 
-	sunxi_setbits(reg_base + AHCI_PHYCS1R, BIT(19));
-	sunxi_clrsetbits(reg_base + AHCI_PHYCS0R,
-			 (0x7 << 24),
-			 (0x5 << 24) | BIT(23) | BIT(18));
-	sunxi_clrsetbits(reg_base + AHCI_PHYCS1R,
-			 (0x3 << 16) | (0x1f << 8) | (0x3 << 6),
-			 (0x2 << 16) | (0x6 << 8) | (0x2 << 6));
-	sunxi_setbits(reg_base + AHCI_PHYCS1R, BIT(28) | BIT(15));
-	sunxi_clrbits(reg_base + AHCI_PHYCS1R, BIT(19));
-	sunxi_clrsetbits(reg_base + AHCI_PHYCS0R,
-			 (0x7 << 20), (0x3 << 20));
-	sunxi_clrsetbits(reg_base + AHCI_PHYCS2R,
-			 (0x1f << 5), (0x19 << 5));
+	setbits_le32(reg_base + AHCI_PHYCS1R, BIT(19));
+	clrsetbits_le32(reg_base + AHCI_PHYCS0R, (0x7 << 24),
+			(0x5 << 24) | BIT(23) | BIT(18));
+	clrsetbits_le32(reg_base + AHCI_PHYCS1R,
+			(0x3 << 16) | (0x1f << 8) | (0x3 << 6),
+			(0x2 << 16) | (0x6 << 8) | (0x2 << 6));
+	setbits_le32(reg_base + AHCI_PHYCS1R, BIT(28) | BIT(15));
+	clrbits_le32(reg_base + AHCI_PHYCS1R, BIT(19));
+	clrsetbits_le32(reg_base + AHCI_PHYCS0R,
+			(0x7 << 20), (0x3 << 20));
+	clrsetbits_le32(reg_base + AHCI_PHYCS2R,
+			(0x1f << 5), (0x19 << 5));
 	msleep(5);
 
-	sunxi_setbits(reg_base + AHCI_PHYCS0R, (0x1 << 19));
+	setbits_le32(reg_base + AHCI_PHYCS0R, (0x1 << 19));
 
 	timeout = 250; /* Power up takes aprox 50 us */
 	do {
@@ -130,7 +102,7 @@  static int ahci_sunxi_phy_init(struct device *dev, void __iomem *reg_base)
 		udelay(1);
 	} while (1);
 
-	sunxi_setbits(reg_base + AHCI_PHYCS2R, (0x1 << 24));
+	setbits_le32(reg_base + AHCI_PHYCS2R, (0x1 << 24));
 
 	timeout = 100; /* Calibration takes aprox 10 us */
 	do {
@@ -158,10 +130,10 @@  static void ahci_sunxi_start_engine(struct ata_port *ap)
 	struct ahci_host_priv *hpriv = ap->host->private_data;
 
 	/* Setup DMA before DMA start */
-	sunxi_clrsetbits(hpriv->mmio + AHCI_P0DMACR, 0x0000ff00, 0x00004400);
+	clrsetbits_le32(hpriv->mmio + AHCI_P0DMACR, 0x0000ff00, 0x00004400);
 
 	/* Start DMA */
-	sunxi_setbits(port_mmio + PORT_CMD, PORT_CMD_START);
+	setbits_le32(port_mmio + PORT_CMD, PORT_CMD_START);
 }
 
 static const struct ata_port_info ahci_sunxi_port_info = {