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i2c: move OF helpers into the core

Browse Source 
I2C of helpers used to live in of_i2c.c but experience (from SPI) shows
that it is much cleaner to have this in the core. This also removes a
circular dependency between the helpers and the core, and so we can
finally register child nodes in the core instead of doing this manually
in each driver. So, fix the drivers and documentation, too.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang
2013-07-11 12:56:15 +01:00
parent c1d15b68aa
commit 687b81d083
47 changed files with 138 additions and 262 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/acpi/enumeration.txt
View File

@@ -238,7 +238,6 @@ An I2C bus (controller) driver does:
if (ret)
/* handle error */
of_i2c_register_devices(adapter);
/* Enumerate the slave devices behind this bus via ACPI */
acpi_i2c_register_devices(adapter);

1
arch/powerpc/platforms/44x/warp.c
View File

@@ -16,7 +16,6 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/of_gpio.h>
#include <linux/of_i2c.h>
#include <linux/slab.h>
#include <linux/export.h>

1
drivers/gpu/drm/tilcdc/tilcdc_slave.c
View File

@@ -16,7 +16,6 @@
*/
#include <linux/i2c.h>
#include <linux/of_i2c.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/consumer.h>
#include <drm/drm_encoder_slave.h>

1
drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
View File

@@ -16,7 +16,6 @@
*/
#include <linux/i2c.h>
#include <linux/of_i2c.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/pinctrl/pinmux.h>

2
drivers/gpu/host1x/drm/output.c
View File

@@ -9,7 +9,7 @@
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/of_i2c.h>
#include <linux/i2c.h>
#include "drm.h"

3
drivers/i2c/busses/i2c-at91.c
View File

@@ -28,7 +28,6 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_i2c.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/platform_data/dma-atmel.h>
@@ -775,8 +774,6 @@ static int at91_twi_probe(struct platform_device *pdev)
return rc;
}
of_i2c_register_devices(&dev->adapter);
dev_info(dev->dev, "AT91 i2c bus driver.\n");
return 0;
}

6
drivers/i2c/busses/i2c-cpm.c
View File

@@ -42,7 +42,6 @@
#include <linux/dma-mapping.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/of_i2c.h>
#include <sysdev/fsl_soc.h>
#include <asm/cpm.h>
@@ -681,11 +680,6 @@ static int cpm_i2c_probe(struct platform_device *ofdev)
dev_dbg(&ofdev->dev, "hw routines for %s registered.\n",
cpm->adap.name);
/*
* register OF I2C devices
*/
of_i2c_register_devices(&cpm->adap);
return 0;
out_shut:
cpm_i2c_shutdown(cpm);

2
drivers/i2c/busses/i2c-davinci.c
View File

@@ -38,7 +38,6 @@
#include <linux/slab.h>
#include <linux/cpufreq.h>
#include <linux/gpio.h>
#include <linux/of_i2c.h>
#include <linux/of_device.h>
#include <linux/platform_data/i2c-davinci.h>
@@ -726,7 +725,6 @@ static int davinci_i2c_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failure adding adapter\n");
goto err_unuse_clocks;
}
of_i2c_register_devices(adap);
return 0;

2
drivers/i2c/busses/i2c-designware-platdrv.c
View File

@@ -35,7 +35,6 @@
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/of_i2c.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
@@ -172,7 +171,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failure adding adapter\n");
return r;
}
of_i2c_register_devices(adap);
acpi_i2c_register_devices(adap);
pm_runtime_set_autosuspend_delay(&pdev->dev, 1000);

3
drivers/i2c/busses/i2c-gpio.c
View File

@@ -16,7 +16,6 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/of_i2c.h>
struct i2c_gpio_private_data {
struct i2c_adapter adap;
@@ -224,8 +223,6 @@ static int i2c_gpio_probe(struct platform_device *pdev)
if (ret)
goto err_add_bus;
of_i2c_register_devices(adap);
platform_set_drvdata(pdev, priv);
dev_info(&pdev->dev, "using pins %u (SDA) and %u (SCL%s)\n",

2
drivers/i2c/busses/i2c-i801.c
View File

@@ -87,7 +87,6 @@
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/err.h>
#include <linux/of_i2c.h>
#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \
defined CONFIG_DMI
@@ -1230,7 +1229,6 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
goto exit_free_irq;
}
of_i2c_register_devices(&priv->adapter);
i801_probe_optional_slaves(priv);
/* We ignore errors - multiplexing is optional */
i801_add_mux(priv);

4
drivers/i2c/busses/i2c-ibm_iic.c
View File

@@ -42,7 +42,6 @@
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/of_platform.h>
#include <linux/of_i2c.h>
#include "i2c-ibm_iic.h"
@@ -759,9 +758,6 @@ static int iic_probe(struct platform_device *ofdev)
dev_info(&ofdev->dev, "using %s mode\n",
dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)");
/* Now register all the child nodes */
of_i2c_register_devices(adap);
return 0;
error_cleanup:

3
drivers/i2c/busses/i2c-imx.c
View File

@@ -52,7 +52,6 @@
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_i2c.h>
#include <linux/platform_data/i2c-imx.h>
/** Defines ********************************************************************
@@ -682,8 +681,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
return ret;
}
of_i2c_register_devices(&i2c_imx->adapter);
/* Set up platform driver data */
platform_set_drvdata(pdev, i2c_imx);
clk_disable_unprepare(i2c_imx->clk);

2
drivers/i2c/busses/i2c-mpc.c
View File

@@ -18,7 +18,6 @@
#include <linux/sched.h>
#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/of_i2c.h>
#include <linux/slab.h>
#include <linux/io.h>
@@ -694,7 +693,6 @@ static int fsl_i2c_probe(struct platform_device *op)
dev_err(i2c->dev, "failed to add adapter\n");
goto fail_add;
}
of_i2c_register_devices(&i2c->adap);
return result;

3
drivers/i2c/busses/i2c-mv64xxx.c
View File

@@ -21,7 +21,6 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/of_i2c.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/delay.h>
@@ -871,8 +870,6 @@ mv64xxx_i2c_probe(struct platform_device *pd)
goto exit_free_irq;
}
of_i2c_register_devices(&drv_data->adapter);
return 0;
exit_free_irq:

3
drivers/i2c/busses/i2c-mxs.c
View File

@@ -27,7 +27,6 @@
#include <linux/stmp_device.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_i2c.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
@@ -752,8 +751,6 @@ static int mxs_i2c_probe(struct platform_device *pdev)
return err;
}
of_i2c_register_devices(adap);
return 0;
}

3
drivers/i2c/busses/i2c-nomadik.c
View File

@@ -24,7 +24,6 @@
#include <linux/pm_runtime.h>
#include <linux/platform_data/i2c-nomadik.h>
#include <linux/of.h>
#include <linux/of_i2c.h>
#include <linux/pinctrl/consumer.h>
#define DRIVER_NAME "nmk-i2c"
@@ -1045,8 +1044,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
goto err_add_adap;
}
of_i2c_register_devices(adap);
pm_runtime_put(&adev->dev);
return 0;

3
drivers/i2c/busses/i2c-ocores.c
View File

@@ -24,7 +24,6 @@
#include <linux/i2c-ocores.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/of_i2c.h>
#include <linux/log2.h>
struct ocores_i2c {
@@ -432,8 +431,6 @@ static int ocores_i2c_probe(struct platform_device *pdev)
if (pdata) {
for (i = 0; i < pdata->num_devices; i++)
i2c_new_device(&i2c->adap, pdata->devices + i);
} else {
of_i2c_register_devices(&i2c->adap);
}
return 0;

3
drivers/i2c/busses/i2c-octeon.c
View File

@@ -15,7 +15,6 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_i2c.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/slab.h>
@@ -599,8 +598,6 @@ static int octeon_i2c_probe(struct platform_device *pdev)
}
dev_info(i2c->dev, "version %s\n", DRV_VERSION);
of_i2c_register_devices(&i2c->adap);
return 0;
out:

3
drivers/i2c/busses/i2c-omap.c
View File

@@ -38,7 +38,6 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_i2c.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/i2c-omap.h>
@@ -1231,8 +1230,6 @@ omap_i2c_probe(struct platform_device *pdev)
dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n", adap->nr,
major, minor, dev->speed);
of_i2c_register_devices(adap);
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);

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