diff options
Diffstat (limited to 'drivers/i2c')
31 files changed, 112 insertions, 82 deletions
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 6bb839b688be..fd059308affa 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -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; } diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 2e1f7eb55bf4..b2b8aa9adc0e 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -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); diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index cf90bfff9676..57473415be10 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -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; diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 64ffb908641c..ded77c3bd59c 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -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); diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 8cdb4f743e19..bfa02c6c2dda 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -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", diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 4ebceed6bc66..4296d1721272 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -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); diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index 973f51688276..ff3caa0c28cd 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -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: diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index a231d2fd91ce..ccf46656bdad 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -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); diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index ffac2145b94a..f4060939e959 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -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; diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index bc60f9ac7c04..7f3a47443494 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -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: diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 46cda0b02fd1..f4a01675fa71 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -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; } diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 1909e8073541..8bf9ac01301a 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -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; diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index e14182cd87ff..c61f37a10a07 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -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; diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index 956fe320f313..b929ba271b47 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c @@ -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: diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 9ccb7b9cb6fc..6d8308d5dc4e 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -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); diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 1713b3ee61f5..d09577a05d00 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -23,7 +23,6 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/slab.h> -#include <linux/of_i2c.h> #define I2C_PNX_TIMEOUT_DEFAULT 10 /* msec */ #define I2C_PNX_SPEED_KHZ_DEFAULT 100 @@ -741,8 +740,6 @@ static int i2c_pnx_probe(struct platform_device *pdev) goto out_irq; } - of_i2c_register_devices(&alg_data->adapter); - dev_dbg(&pdev->dev, "%s: Master at %#8x, irq %d.\n", alg_data->adapter.name, res->start, alg_data->irq); diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c index 06858d576552..37e8cfad625b 100644 --- a/drivers/i2c/busses/i2c-powermac.c +++ b/drivers/i2c/busses/i2c-powermac.c @@ -440,7 +440,9 @@ static int i2c_powermac_probe(struct platform_device *dev) adapter->algo = &i2c_powermac_algorithm; i2c_set_adapdata(adapter, bus); adapter->dev.parent = &dev->dev; - adapter->dev.of_node = dev->dev.of_node; + + /* Clear of_node to skip automatic registration of i2c child nodes */ + adapter->dev.of_node = NULL; rc = i2c_add_adapter(adapter); if (rc) { printk(KERN_ERR "i2c-powermac: Adapter %s registration " @@ -451,9 +453,8 @@ static int i2c_powermac_probe(struct platform_device *dev) printk(KERN_INFO "PowerMac i2c bus %s registered\n", adapter->name); - /* Cannot use of_i2c_register_devices() due to Apple device-tree - * funkyness - */ + /* Use custom child registration due to Apple device-tree funkyness */ + adapter->dev.of_node = dev->dev.of_node; i2c_powermac_register_devices(adapter, bus); return 0; diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 3dbc1acdc28a..bbe6dfbc5c05 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -31,7 +31,6 @@ #include <linux/i2c-pxa.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_i2c.h> #include <linux/platform_device.h> #include <linux/err.h> #include <linux/clk.h> @@ -1247,7 +1246,6 @@ static int i2c_pxa_probe(struct platform_device *dev) printk(KERN_INFO "I2C: Failed to add bus\n"); goto eadapt; } - of_i2c_register_devices(&i2c->adap); platform_set_drvdata(dev, i2c); diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 0a077b1ef94f..3535f3c0f7b4 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -36,7 +36,6 @@ #include <linux/cpufreq.h> #include <linux/slab.h> #include <linux/io.h> -#include <linux/of_i2c.h> #include <linux/of_gpio.h> #include <linux/pinctrl/consumer.h> @@ -1154,7 +1153,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) return ret; } - of_i2c_register_devices(&i2c->adap); platform_set_drvdata(pdev, i2c); pm_runtime_enable(&pdev->dev); diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 4e86a3190d46..55110ddbed1f 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -27,7 +27,6 @@ #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/i2c.h> -#include <linux/of_i2c.h> #include <linux/err.h> #include <linux/pm_runtime.h> #include <linux/clk.h> @@ -758,7 +757,6 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) "I2C adapter %d with bus speed %lu Hz (L/H=%x/%x)\n", adap->nr, pd->bus_speed, pd->iccl, pd->icch); - of_i2c_register_devices(adap); return 0; err_all: diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index a63c7d506836..0ff22e29e7df 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/i2c.h> -#include <linux/of_i2c.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> @@ -366,8 +365,6 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) clk_disable(clk); - of_i2c_register_devices(adap); - dev_info(&pdev->dev, " I2C adapter ready to operate\n"); return 0; diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index 19a40afaf172..f8f6f2e552db 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -17,7 +17,6 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/slab.h> -#include <linux/of_i2c.h> /* the name of this kernel module */ #define NAME "stu300" @@ -933,7 +932,6 @@ stu300_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); dev_info(&pdev->dev, "ST DDC I2C @ %p, irq %d\n", dev->virtbase, dev->irq); - of_i2c_register_devices(adap); return 0; } diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 9aa1b60f7fdd..c457cb447c66 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -25,7 +25,6 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/slab.h> -#include <linux/of_i2c.h> #include <linux/of_device.h> #include <linux/module.h> #include <linux/clk/tegra.h> @@ -802,8 +801,6 @@ static int tegra_i2c_probe(struct platform_device *pdev) return ret; } - of_i2c_register_devices(&i2c_dev->adapter); - return 0; } diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c index f3a8790a07e8..6bb3a89a440f 100644 --- a/drivers/i2c/busses/i2c-versatile.c +++ b/drivers/i2c/busses/i2c-versatile.c @@ -16,7 +16,6 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/io.h> -#include <linux/of_i2c.h> #define I2C_CONTROL 0x00 #define I2C_CONTROLS 0x00 @@ -108,7 +107,6 @@ static int i2c_versatile_probe(struct platform_device *dev) ret = i2c_bit_add_numbered_bus(&i2c->adap); if (ret >= 0) { platform_set_drvdata(dev, i2c); - of_i2c_register_devices(&i2c->adap); return 0; } diff --git a/drivers/i2c/busses/i2c-wmt.c b/drivers/i2c/busses/i2c-wmt.c index baaa7d15b73e..c65da3d913a0 100644 --- a/drivers/i2c/busses/i2c-wmt.c +++ b/drivers/i2c/busses/i2c-wmt.c @@ -21,7 +21,6 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_i2c.h> #include <linux/of_irq.h> #include <linux/platform_device.h> @@ -439,8 +438,6 @@ static int wmt_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, i2c_dev); - of_i2c_register_devices(adap); - return 0; } diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 433f377b3869..4c8b368d463b 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -40,7 +40,6 @@ #include <linux/i2c-xiic.h> #include <linux/io.h> #include <linux/slab.h> -#include <linux/of_i2c.h> #define DRIVER_NAME "xiic-i2c" @@ -752,8 +751,6 @@ static int xiic_i2c_probe(struct platform_device *pdev) i2c_new_device(&i2c->adap, pdata->devices + i); } - of_i2c_register_devices(&i2c->adap); - return 0; add_adapter_failed: diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 3d9ca2d3d77e..e874b052b4f8 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -23,7 +23,11 @@ SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com> and Jean Delvare <khali@linux-fr.org> Mux support by Rodolfo Giometti <giometti@enneenne.com> and - Michael Lawnick <michael.lawnick.ext@nsn.com> */ + Michael Lawnick <michael.lawnick.ext@nsn.com> + OF support is copyright (c) 2008 Jochen Friedrich <jochen@scram.de> + (based on a previous patch from Jon Smirl <jonsmirl@gmail.com>) and + (c) 2013 Wolfram Sang <wsa@the-dreams.de> + */ #include <linux/module.h> #include <linux/kernel.h> @@ -35,7 +39,9 @@ #include <linux/init.h> #include <linux/idr.h> #include <linux/mutex.h> +#include <linux/of.h> #include <linux/of_device.h> +#include <linux/of_irq.h> #include <linux/completion.h> #include <linux/hardirq.h> #include <linux/irqflags.h> @@ -954,6 +960,104 @@ static void i2c_scan_static_board_info(struct i2c_adapter *adapter) up_read(&__i2c_board_lock); } +/* OF support code */ + +#if IS_ENABLED(CONFIG_OF) +static void of_i2c_register_devices(struct i2c_adapter *adap) +{ + void *result; + struct device_node *node; + + /* Only register child devices if the adapter has a node pointer set */ + if (!adap->dev.of_node) + return; + + dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); + + for_each_available_child_of_node(adap->dev.of_node, node) { + struct i2c_board_info info = {}; + struct dev_archdata dev_ad = {}; + const __be32 *addr; + int len; + + dev_dbg(&adap->dev, "of_i2c: register %s\n", node->full_name); + + if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) { + dev_err(&adap->dev, "of_i2c: modalias failure on %s\n", + node->full_name); + continue; + } + + addr = of_get_property(node, "reg", &len); + if (!addr || (len < sizeof(int))) { + dev_err(&adap->dev, "of_i2c: invalid reg on %s\n", + node->full_name); + continue; + } + + info.addr = be32_to_cpup(addr); + if (info.addr > (1 << 10) - 1) { + dev_err(&adap->dev, "of_i2c: invalid addr=%x on %s\n", + info.addr, node->full_name); + continue; + } + + info.irq = irq_of_parse_and_map(node, 0); + info.of_node = of_node_get(node); + info.archdata = &dev_ad; + + if (of_get_property(node, "wakeup-source", NULL)) + info.flags |= I2C_CLIENT_WAKE; + + request_module("%s%s", I2C_MODULE_PREFIX, info.type); + + result = i2c_new_device(adap, &info); + if (result == NULL) { + dev_err(&adap->dev, "of_i2c: Failure registering %s\n", + node->full_name); + of_node_put(node); + irq_dispose_mapping(info.irq); + continue; + } + } +} + +static int of_dev_node_match(struct device *dev, void *data) +{ + return dev->of_node == data; +} + +/* must call put_device() when done with returned i2c_client device */ +struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) +{ + struct device *dev; + + dev = bus_find_device(&i2c_bus_type, NULL, node, + of_dev_node_match); + if (!dev) + return NULL; + + return i2c_verify_client(dev); +} +EXPORT_SYMBOL(of_find_i2c_device_by_node); + +/* must call put_device() when done with returned i2c_adapter device */ +struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) +{ + struct device *dev; + + dev = bus_find_device(&i2c_bus_type, NULL, node, + of_dev_node_match); + if (!dev) + return NULL; + + return i2c_verify_adapter(dev); +} +EXPORT_SYMBOL(of_find_i2c_adapter_by_node); +#else +static void of_i2c_register_devices(struct i2c_adapter *adap) { } +#endif /* CONFIG_OF */ + static int i2c_do_add_adapter(struct i2c_driver *driver, struct i2c_adapter *adap) { @@ -1058,6 +1162,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap) exit_recovery: /* create pre-declared device nodes */ + of_i2c_register_devices(adap); + if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); @@ -1282,7 +1388,6 @@ void i2c_del_adapter(struct i2c_adapter *adap) } EXPORT_SYMBOL(i2c_del_adapter); - /* ------------------------------------------------------------------------- */ int i2c_for_each_dev(void *data, int (*fn)(struct device *, void *)) diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 7409ebb33c47..797e3117bef7 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -25,7 +25,6 @@ #include <linux/i2c.h> #include <linux/i2c-mux.h> #include <linux/of.h> -#include <linux/of_i2c.h> /* multiplexer per channel data */ struct i2c_mux_priv { @@ -185,8 +184,6 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, dev_info(&parent->dev, "Added multiplexed i2c bus %d\n", i2c_adapter_id(&priv->adap)); - of_i2c_register_devices(&priv->adap); - return &priv->adap; } EXPORT_SYMBOL_GPL(i2c_add_mux_adapter); diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index f7bf24375f81..74b41ae690f3 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -21,7 +21,6 @@ #include <linux/i2c-mux.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/of_i2c.h> #include <linux/of_gpio.h> #include <linux/platform_device.h> #include <linux/slab.h> diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 6a206e8d58f4..5d4a99ba743e 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/gpio.h> -#include <linux/of_i2c.h> #include <linux/of_gpio.h> struct gpiomux { diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 0d082027c29a..69a91732ae65 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -20,7 +20,6 @@ #include <linux/i2c-mux.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/of_i2c.h> #include <linux/pinctrl/consumer.h> #include <linux/i2c-mux-pinctrl.h> #include <linux/platform_device.h> |