From: Tony Lindgren <tony@atomide.com>
To: linux-i2c@vger.kernel.org, ben-linux@fluff.org
Cc: linux-omap@vger.kernel.org
Subject: [PATCH 08/12] i2c-omap: Clean-up i2c-omap
Date: Fri, 28 Nov 2008 17:34:43 -0800 [thread overview]
Message-ID: <20081129013443.13428.41997.stgit@localhost> (raw)
In-Reply-To: <20081129013318.13428.88465.stgit@localhost>
Minor sparse, checkpatch and formatting clean-up. Also update copyrights.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/i2c/busses/i2c-omap.c | 31 ++++++++++++++++++-------------
1 files changed, 18 insertions(+), 13 deletions(-)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 195c3d1..4aeebad 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -2,13 +2,16 @@
* TI OMAP I2C master mode driver
*
* Copyright (C) 2003 MontaVista Software, Inc.
- * Copyright (C) 2004 Texas Instruments.
- *
- * Updated to work with multiple I2C interfaces on 24xx by
- * Tony Lindgren <tony@atomide.com> and Imre Deak <imre.deak@nokia.com>
* Copyright (C) 2005 Nokia Corporation
+ * Copyright (C) 2004 - 2007 Texas Instruments.
*
- * Cleaned up by Juha Yrjölä <juha.yrjola@nokia.com>
+ * Originally written by MontaVista Software, Inc.
+ * Additional contributions by:
+ * Tony Lindgren <tony@atomide.com>
+ * Imre Deak <imre.deak@nokia.com>
+ * Juha Yrjölä <juha.yrjola@solidboot.com>
+ * Syed Khasim <x0khasim@ti.com>
+ * Nishant Menon <nm@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -33,8 +36,7 @@
#include <linux/completion.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
/* timeout waiting for the controller to respond */
#define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))
@@ -204,7 +206,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev)
dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG);
omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0);
if (dev->rev1) {
- iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */
+ iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */
} else {
omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate);
@@ -321,9 +323,9 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
/* Enable interrupts */
omap_i2c_write_reg(dev, OMAP_I2C_IE_REG,
- (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY |
- OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK |
- OMAP_I2C_IE_AL) | ((dev->fifo_size) ?
+ (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY |
+ OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK |
+ OMAP_I2C_IE_AL) | ((dev->fifo_size) ?
(OMAP_I2C_IE_RDR | OMAP_I2C_IE_XDR) : 0));
return 0;
}
@@ -389,8 +391,10 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap,
w |= OMAP_I2C_CON_XA;
if (!(msg->flags & I2C_M_RD))
w |= OMAP_I2C_CON_TRX;
+
if (!dev->b_hw && stop)
w |= OMAP_I2C_CON_STP;
+
omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w);
/*
@@ -468,7 +472,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
omap_i2c_unidle(dev);
- if ((r = omap_i2c_wait_for_bb(dev)) < 0)
+ r = omap_i2c_wait_for_bb(dev);
+ if (r < 0)
goto out;
for (i = 0; i < num; i++) {
@@ -561,7 +566,7 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id)
return IRQ_HANDLED;
}
#else
-#define omap_i2c_rev1_isr 0
+#define omap_i2c_rev1_isr NULL
#endif
static irqreturn_t
--
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next prev parent reply other threads:[~2008-11-29 1:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-29 1:33 [PATCH 00/12] Updates for i2c-omap for 2.6.29 merge window, v5 Tony Lindgren
2008-11-29 1:33 ` [PATCH 01/12] i2c-omap: Do not use interruptible wait call in omap_i2c_xfer_msg Tony Lindgren
2008-11-29 1:34 ` [PATCH 02/12] i2c-omap: Close suspected race between omap_i2c_idle() and omap_i2c_isr() Tony Lindgren
2008-11-29 1:34 ` [PATCH 03/12] i2c-omap: Add high-speed support to omap-i2c Tony Lindgren
2008-11-29 1:34 ` [PATCH 04/12] i2c-omap: FIFO handling support and broken hw workaround for i2c-omap Tony Lindgren
2008-11-29 1:34 ` [PATCH 05/12] i2c-omap: Add support for omap34xx Tony Lindgren
2008-11-29 1:34 ` [PATCH 06/12] i2c-omap: Mark init-only functions as __init Tony Lindgren
2008-11-29 1:34 ` [PATCH 07/12] i2c-omap: Don't compile in OMAP15xx I2C ISR for non-OMAP15xx builds Tony Lindgren
2008-11-29 1:34 ` Tony Lindgren [this message]
2008-11-29 1:34 ` [PATCH 09/12] i2c-omap: fix I2C timeouts due to recursive omap_i2c_{un, }idle() Tony Lindgren
2008-11-29 1:34 ` [PATCH 10/12] i2c-omap: convert 'rev1' flag to generic 'rev' u8 Tony Lindgren
2008-12-16 21:59 ` Ben Dooks
2008-12-16 22:07 ` Ben Dooks
2008-12-16 21:34 ` Tony Lindgren
2008-11-29 1:35 ` [PATCH 11/12] i2c-omap: reprogram OCP_SYSCONFIG register after reset Tony Lindgren
2008-11-29 1:35 ` [PATCH 12/12] i2c-omap: Enable I2C wakeups for 34xx Tony Lindgren
2008-11-29 1:56 ` git-pull request for i2c-omap updates (Re: [PATCH 00/12] Updates for i2c-omap for 2.6.29 merge window, v5) Tony Lindgren
[not found] ` <20081129015611.GK6640-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2008-12-05 0:25 ` Ben Dooks
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