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From: Wolfram Sang <w.sang@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Wolfram Sang <w.sang@pengutronix.de>
Subject: [PATCH V2 7/8] arm: mxs: use consistent naming for #defines for ocotp
Date: Thu, 14 Jun 2012 15:21:04 +0200	[thread overview]
Message-ID: <1339680065-12169-8-git-send-email-w.sang@pengutronix.de> (raw)
In-Reply-To: <1339680065-12169-1-git-send-email-w.sang@pengutronix.de>

Will the code more readable, especially since future additions are
planned.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
---
 arch/arm/mach-mxs/ocotp.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c
index 7f9107a..f18d066 100644
--- a/arch/arm/mach-mxs/ocotp.c
+++ b/arch/arm/mach-mxs/ocotp.c
@@ -28,11 +28,12 @@
 
 #define DRIVERNAME "ocotp"
 
-#define OCOTP_WORD_OFFSET		0x20
+#define OCOTP_CTRL			0x0
+#  define OCOTP_CTRL_BUSY		(1 << 8)
+#  define OCOTP_CTRL_ERROR		(1 << 9)
+#  define OCOTP_CTRL_RD_BANK_OPEN	(1 << 12)
 
-#define BM_OCOTP_CTRL_BUSY		(1 << 8)
-#define BM_OCOTP_CTRL_ERROR		(1 << 9)
-#define BM_OCOTP_CTRL_RD_BANK_OPEN	(1 << 12)
+#define OCOTP_WORD_OFFSET		0x20
 
 struct ocotp_priv {
 	struct cdev cdev;
@@ -44,7 +45,7 @@ static int mxs_ocotp_wait_busy(struct ocotp_priv *priv)
 	uint64_t start = get_time_ns();
 
 	/* check both BUSY and ERROR cleared */
-	while (readl(priv->base) & (BM_OCOTP_CTRL_BUSY | BM_OCOTP_CTRL_ERROR))
+	while (readl(priv->base + OCOTP_CTRL) & (OCOTP_CTRL_BUSY | OCOTP_CTRL_ERROR))
 		if (is_timeout(start, MSECOND))
 			return -ETIMEDOUT;
 
@@ -65,13 +66,13 @@ static ssize_t mxs_ocotp_cdev_read(struct cdev *cdev, void *buf, size_t count,
 	 */
 
 	/* try to clear ERROR bit */
-	writel(BM_OCOTP_CTRL_ERROR, base + BIT_CLR);
+	writel(OCOTP_CTRL_ERROR, base + OCOTP_CTRL + BIT_CLR);
 
 	if (mxs_ocotp_wait_busy(priv))
 		return -ETIMEDOUT;
 
 	/* open OCOTP banks for read */
-	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, base + BIT_SET);
+	writel(OCOTP_CTRL_RD_BANK_OPEN, base + OCOTP_CTRL + BIT_SET);
 
 	/* approximately wait 32 hclk cycles */
 	udelay(1);
@@ -86,7 +87,7 @@ static ssize_t mxs_ocotp_cdev_read(struct cdev *cdev, void *buf, size_t count,
 				(((i + offset) & 0xfc) << 2) + ((i + offset) & 3));
 
 	/* close banks for power saving */
-	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, base + BIT_CLR);
+	writel(OCOTP_CTRL_RD_BANK_OPEN, base + OCOTP_CTRL + BIT_CLR);
 
 	return size;
 }
-- 
1.7.10


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  parent reply	other threads:[~2012-06-14 13:21 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-14 13:20 [PATCH V2 0/8] arm: mxs: add ocotp write support Wolfram Sang
2012-06-14 13:20 ` [PATCH V2 1/8] arm: mxs: make get_hclk result useable for upcoming set_hclk Wolfram Sang
2012-06-14 13:20 ` [PATCH V2 2/8] arm: mxs: add imx_set_hclk Wolfram Sang
2012-06-14 13:21 ` [PATCH V2 3/8] arm: mxs: refactor access to power domain Wolfram Sang
2012-06-14 13:21 ` [PATCH V2 4/8] arm: mxs: add POWER_BASE for MX28, too Wolfram Sang
2012-06-14 13:21 ` [PATCH V2 5/8] arm: mxs: add functions to get/set vddio Wolfram Sang
2012-06-14 13:21 ` [PATCH V2 6/8] arm: mxs: refactor timeout routine for ocotp Wolfram Sang
2012-06-14 13:21 ` Wolfram Sang [this message]
2012-06-14 13:21 ` [PATCH V2 8/8] arm: mxs: add write support " Wolfram Sang

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