Techwizz/kernel-fxtec-pro1x
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i2c-imx: remove init/exit hooks from platform data

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The init/exit hooks in platform data are being used nowhere, so can
be removed.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Shawn Guo 2011-09-08 15:09:34 +08:00 committed by Ben Dooks
parent 9e79e3e9dd
commit 593702c71a
2 changed files with 3 additions and 22 deletions
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4
arch/arm/plat-mxc/include/mach/i2c.h
View file

@ -11,14 +11,10 @@
/**
* struct imxi2c_platform_data - structure of platform data for MXC I2C driver
* @init: Initialise gpio's and other board specific things
* @exit: Free everything initialised by @init
* @bitrate: Bus speed measured in Hz
*
**/
struct imxi2c_platform_data {
int (*init)(struct device *dev);
void (*exit)(struct device *dev);
int bitrate;
};

21
drivers/i2c/busses/i2c-imx.c
View file

@ -466,7 +466,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
{
struct imx_i2c_struct *i2c_imx;
struct resource *res;
struct imxi2c_platform_data *pdata;
struct imxi2c_platform_data *pdata = pdev->dev.platform_data;
void __iomem *base;
resource_size_t res_size;
int irq;
@ -485,19 +485,11 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
return -ENOENT;
}
pdata = pdev->dev.platform_data;
if (pdata && pdata->init) {
ret = pdata->init(&pdev->dev);
if (ret)
return ret;
}
res_size = resource_size(res);
if (!request_mem_region(res->start, res_size, DRIVER_NAME)) {
ret = -EBUSY;
goto fail0;
dev_err(&pdev->dev, "request_mem_region failed\n");
return -EBUSY;
}
base = ioremap(res->start, res_size);
@ -586,9 +578,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
iounmap(base);
fail1:
release_mem_region(res->start, resource_size(res));
fail0:
if (pdata && pdata->exit)
pdata->exit(&pdev->dev);
return ret; /* Return error number */
}
@ -611,10 +600,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
writeb(0, i2c_imx->base + IMX_I2C_I2CR);
writeb(0, i2c_imx->base + IMX_I2C_I2SR);
/* Shut down hardware */
if (pdata && pdata->exit)
pdata->exit(&pdev->dev);
clk_put(i2c_imx->clk);
iounmap(i2c_imx->base);