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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 06/11] ARM: i.MX: iim: pass private data struct to imx_iim_fuse_sense
Date: Fri, 16 May 2014 12:30:53 +0200	[thread overview]
Message-ID: <1400236258-17924-6-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1400236258-17924-1-git-send-email-s.hauer@pengutronix.de>

To make all struct members available and to reduce the argument
count.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/iim.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/arch/arm/mach-imx/iim.c b/arch/arm/mach-imx/iim.c
index 72ed3c0..ea36f84 100644
--- a/arch/arm/mach-imx/iim.c
+++ b/arch/arm/mach-imx/iim.c
@@ -52,16 +52,12 @@ struct iim_priv {
 	struct iim_bank *bank[IIM_NUM_BANKS];
 };
 
-static int imx_iim_fuse_sense(void __iomem *reg_base, unsigned int bank,
-		unsigned int row)
+static int imx_iim_fuse_sense(struct iim_bank *bank, unsigned int row)
 {
+	struct iim_priv *iim = bank->iim;
+	void __iomem *reg_base = iim->base;
 	u8 err, stat;
 
-	if (bank > 7) {
-		printf("%s: invalid bank number\n", __func__);
-		return -EINVAL;
-	}
-
 	if (row > 255) {
 		printf("%s: invalid row index\n", __func__);
 		return -EINVAL;
@@ -72,7 +68,7 @@ static int imx_iim_fuse_sense(void __iomem *reg_base, unsigned int bank,
 	writeb(0xfe, reg_base + IIM_ERR);
 
 	/* upper and lower address halves */
-	writeb((bank << 3) | (row >> 5), reg_base + IIM_UA);
+	writeb((bank->bank << 3) | (row >> 5), reg_base + IIM_UA);
 	writeb((row << 3) & 0xf8, reg_base + IIM_LA);
 
 	/* start fuse sensing */
@@ -99,15 +95,13 @@ static ssize_t imx_iim_cdev_read(struct cdev *cdev, void *buf, size_t count,
 {
 	ulong size, i;
 	struct iim_bank *bank = container_of(cdev, struct iim_bank, cdev);
-	struct iim_priv *iim = bank->iim;
 
 	size = min((loff_t)count, 32 - offset);
 	if (iim_sense_enable) {
 		for (i = 0; i < size; i++) {
 			int row_val;
 
-			row_val = imx_iim_fuse_sense(iim->base,
-						bank->bank, offset + i);
+			row_val = imx_iim_fuse_sense(bank, offset + i);
 			if (row_val < 0)
 				return row_val;
 			((u8 *)buf)[i] = (u8)row_val;
-- 
2.0.0.rc0


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  parent reply	other threads:[~2014-05-16 10:31 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-16 10:30 [PATCH 01/11] ARM: i.MX: iim: Check result of dev_request_mem_region Sascha Hauer
2014-05-16 10:30 ` [PATCH 02/11] ARM: i.MX: iim: introduce private data struct Sascha Hauer
2014-05-16 10:30 ` [PATCH 03/11] ARM: i.MX: iim: Add namespace to functions Sascha Hauer
2014-05-16 10:30 ` [PATCH 04/11] ARM: i.MX: iim: register iim device Sascha Hauer
2014-05-16 10:30 ` [PATCH 05/11] ARM: i.MX: iim: pass private data struct to imx_iim_fuse_blow Sascha Hauer
2014-05-16 10:30 ` Sascha Hauer [this message]
2014-05-16 10:30 ` [PATCH 07/11] ARM: i.MX: iim: use dev_* for messages Sascha Hauer
2014-05-16 10:30 ` [PATCH 08/11] ARM: i.MX: iim: move static variables into driver struct Sascha Hauer
2014-05-16 10:30 ` [PATCH 09/11] ARM: i.MX: iim: don't make detour over cdev API Sascha Hauer
2014-05-16 10:30 ` [PATCH 10/11] ARM: i.MX: iim: make fuse blowing work on i.MX5 Sascha Hauer
2014-05-16 10:30 ` [PATCH 11/11] ARM: i.MX: iim: provide a MAC address convenience variable Sascha Hauer

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