From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qj5qg-0006lC-5K for barebox@lists.infradead.org; Tue, 19 Jul 2011 08:40:30 +0000 From: Sascha Hauer Date: Tue, 19 Jul 2011 10:39:53 +0200 Message-Id: <1311064803-6305-10-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1311064803-6305-1-git-send-email-s.hauer@pengutronix.de> References: <1311064803-6305-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 09/19] i2c i.MX: convert to struct resource To: barebox@lists.infradead.org Signed-off-by: Sascha Hauer --- drivers/i2c/busses/i2c-imx.c | 28 +++++++++++++++++----------- 1 files changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 93e978e..aaed8c4 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -102,6 +102,7 @@ static u16 i2c_clk_div[50][2] = { }; struct imx_i2c_struct { + void __iomem *base; struct i2c_adapter adapter; unsigned int disable_delay; int stopped; @@ -140,7 +141,8 @@ static inline void i2c_imx_dump_reg(struct i2c_adapter *adapter) static int i2c_imx_bus_busy(struct i2c_adapter *adapter, int for_busy) { - unsigned long base = adapter->dev->map_base; + struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); + void __iomem *base = i2c_imx->base; uint64_t start; unsigned int temp; @@ -164,7 +166,8 @@ static int i2c_imx_bus_busy(struct i2c_adapter *adapter, int for_busy) static int i2c_imx_trx_complete(struct i2c_adapter *adapter) { - unsigned long base = adapter->dev->map_base; + struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); + void __iomem *base = i2c_imx->base; uint64_t start; start = get_time_ns(); @@ -185,7 +188,8 @@ static int i2c_imx_trx_complete(struct i2c_adapter *adapter) static int i2c_imx_acked(struct i2c_adapter *adapter) { - unsigned long base = adapter->dev->map_base; + struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); + void __iomem *base = i2c_imx->base; uint64_t start; start = get_time_ns(); @@ -206,7 +210,7 @@ static int i2c_imx_acked(struct i2c_adapter *adapter) static int i2c_imx_start(struct i2c_adapter *adapter) { struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); - unsigned long base = adapter->dev->map_base; + void __iomem *base = i2c_imx->base; unsigned int temp = 0; int result; @@ -238,7 +242,7 @@ static int i2c_imx_start(struct i2c_adapter *adapter) static void i2c_imx_stop(struct i2c_adapter *adapter) { struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); - unsigned long base = adapter->dev->map_base; + void __iomem *base = i2c_imx->base; unsigned int temp = 0; if (!i2c_imx->stopped) { @@ -306,7 +310,8 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, static int i2c_imx_write(struct i2c_adapter *adapter, struct i2c_msg *msgs) { - unsigned long base = adapter->dev->map_base; + struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); + void __iomem *base = i2c_imx->base; int i, result; dev_dbg(adapter->dev, @@ -343,7 +348,7 @@ static int i2c_imx_write(struct i2c_adapter *adapter, struct i2c_msg *msgs) static int i2c_imx_read(struct i2c_adapter *adapter, struct i2c_msg *msgs) { struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); - unsigned long base = adapter->dev->map_base; + void __iomem *base = i2c_imx->base; int i, result; unsigned int temp; @@ -411,7 +416,8 @@ static int i2c_imx_read(struct i2c_adapter *adapter, struct i2c_msg *msgs) static int i2c_imx_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num) { - unsigned long base = adapter->dev->map_base; + struct imx_i2c_struct *i2c_imx = to_imx_i2c_struct(adapter); + void __iomem *base = i2c_imx->base; unsigned int i, temp; int result; @@ -453,7 +459,6 @@ static int __init i2c_imx_probe(struct device_d *pdev) { struct imx_i2c_struct *i2c_imx; struct i2c_platform_data *pdata; - unsigned long base = pdev->map_base; int ret; pdata = pdev->platform_data; @@ -464,6 +469,7 @@ static int __init i2c_imx_probe(struct device_d *pdev) i2c_imx->adapter.master_xfer = i2c_imx_xfer; i2c_imx->adapter.nr = pdev->id; i2c_imx->adapter.dev = pdev; + i2c_imx->base = dev_request_mem_region(pdev, 0); /* Set up clock divider */ if (pdata && pdata->bitrate) @@ -472,8 +478,8 @@ static int __init i2c_imx_probe(struct device_d *pdev) i2c_imx_set_clk(i2c_imx, IMX_I2C_BIT_RATE); /* Set up chip registers to defaults */ - writeb(0, base + IMX_I2C_I2CR); - writeb(0, base + IMX_I2C_I2SR); + writeb(0, i2c_imx->base + IMX_I2C_I2CR); + writeb(0, i2c_imx->base + IMX_I2C_I2SR); /* Add I2C adapter */ ret = i2c_add_numbered_adapter(&i2c_imx->adapter); -- 1.7.5.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox