diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-05 09:31:03 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-05 09:31:03 -0700 |
commit | 00341b5301009ba6f36ee3298e69b649ac5540ff (patch) | |
tree | 0f0cdcabd20b2834f30b67b50795c49989ced65a /drivers/of | |
parent | 45d9a2220f6004b47c362cc7fc7cf9a73cb6353a (diff) | |
parent | b720423a2627f045133bec39a31fe2bc0dab86f3 (diff) |
Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Highlights:
- OF and ACPI helpers are now included in the core, and not in
external files anymore. This removes dependency problems for
modules and is cleaner, in general.
- mv64xxx-driver gains fifo usage to support mv78230
- imx-driver overhaul to support VF610
- various cleanups, most notably related to devm_* and CONFIG_PM
usage
- driver bugfixes and smaller feature additions"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits)
i2c: rcar: add rcar-H2 support
i2c: sirf: retry 3 times as sometimes we get random noack and timeout
i2c: sirf: support reverse direction of address
i2c: sirf: fix the typo for setting bitrate to less than 100k
i2c: sirf: we need to wait I2C_RESET status in resume
i2c: sirf: reset i2c controller early after we get a noack
i2c: designware: get SDA hold time, HCNT and LCNT configuration from ACPI
i2c: designware: make HCNT/LCNT values configurable
i2c: mpc: cleanup clock API use
i2c: pnx: fix error return code in i2c_pnx_probe()
i2c: ismt: add error return code in probe()
i2c: mv64xxx: fix typo in binding documentation
i2c: imx: use exact SoC revision to document binding
i2c: move ACPI helpers into the core
i2c: move OF helpers into the core
i2c: mv64xxx: Fix timing issue on Armada XP (errata FE-8471889)
i2c: mv64xxx: Add I2C Transaction Generator support
i2c: powermac: fix return path on error
Documentation: i2c: Fix example in instantiating-devices
i2c: tiny-usb: do not use stack as URB transfer_buffer
...
Diffstat (limited to 'drivers/of')
-rw-r--r-- | drivers/of/Kconfig | 6 | ||||
-rw-r--r-- | drivers/of/Makefile | 1 | ||||
-rw-r--r-- | drivers/of/of_i2c.c | 114 |
3 files changed, 0 insertions, 121 deletions
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 80e5c13b930..78cc7605332 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -48,12 +48,6 @@ config OF_IRQ def_bool y depends on !SPARC -config OF_I2C - def_tristate I2C - depends on I2C - help - OpenFirmware I2C accessors - config OF_NET depends on NETDEVICES def_bool y diff --git a/drivers/of/Makefile b/drivers/of/Makefile index 1f9c0c492ef..efd05102c40 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -3,7 +3,6 @@ obj-$(CONFIG_OF_FLATTREE) += fdt.o obj-$(CONFIG_OF_PROMTREE) += pdt.o obj-$(CONFIG_OF_ADDRESS) += address.o obj-$(CONFIG_OF_IRQ) += irq.o -obj-$(CONFIG_OF_I2C) += of_i2c.o obj-$(CONFIG_OF_NET) += of_net.o obj-$(CONFIG_OF_SELFTEST) += selftest.o obj-$(CONFIG_OF_MDIO) += of_mdio.o diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c deleted file mode 100644 index b667264222c..00000000000 --- a/drivers/of/of_i2c.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * OF helpers for the I2C API - * - * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de> - * - * Based on a previous patch from Jon Smirl <jonsmirl@gmail.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 - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/i2c.h> -#include <linux/irq.h> -#include <linux/of.h> -#include <linux/of_i2c.h> -#include <linux/of_irq.h> -#include <linux/module.h> - -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; - } - } -} -EXPORT_SYMBOL(of_i2c_register_devices); - -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); - -MODULE_LICENSE("GPL"); |