diff options
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/Kconfig | 14 | ||||
-rw-r--r-- | drivers/i2c/algos/Kconfig | 11 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-acorn.c | 2 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-amd756-s4882.c | 9 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-at91.c | 6 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-davinci.c | 5 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-ixp2000.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-nforce2-s4985.c | 5 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-pnx.c | 2 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 6 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 4 | ||||
-rw-r--r-- | drivers/i2c/chips/at24.c | 8 | ||||
-rw-r--r-- | drivers/i2c/chips/isp1301_omap.c | 4 | ||||
-rw-r--r-- | drivers/i2c/chips/menelaus.c | 5 | ||||
-rw-r--r-- | drivers/i2c/i2c-core.c | 11 | ||||
-rw-r--r-- | drivers/i2c/i2c-dev.c | 4 |
16 files changed, 62 insertions, 38 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig index 96867347bcbf..711ca08ab776 100644 --- a/drivers/i2c/Kconfig +++ b/drivers/i2c/Kconfig @@ -38,6 +38,20 @@ config I2C_CHARDEV This support is also available as a module. If so, the module will be called i2c-dev. +config I2C_HELPER_AUTO + bool "Autoselect pertinent helper modules" + default y + help + Some I2C bus drivers require so-called "I2C algorithm" modules + to work. These are basically software-only abstractions of generic + I2C interfaces. This option will autoselect them so that you don't + have to care. + + Unselect this only if you need to enable additional helper + modules, for example for use with external I2C bus drivers. + + In doubt, say Y. + source drivers/i2c/algos/Kconfig source drivers/i2c/busses/Kconfig source drivers/i2c/chips/Kconfig diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig index 7137a17402fe..b788579b8227 100644 --- a/drivers/i2c/algos/Kconfig +++ b/drivers/i2c/algos/Kconfig @@ -2,15 +2,20 @@ # I2C algorithm drivers configuration # +menu "I2C Algorithms" + depends on !I2C_HELPER_AUTO + config I2C_ALGOBIT - tristate + tristate "I2C bit-banging interfaces" config I2C_ALGOPCF - tristate + tristate "I2C PCF 8584 interfaces" config I2C_ALGOPCA - tristate + tristate "I2C PCA 9564 interfaces" config I2C_ALGO_SGI tristate depends on SGI_IP22 || SGI_IP32 || X86_VISWS + +endmenu diff --git a/drivers/i2c/busses/i2c-acorn.c b/drivers/i2c/busses/i2c-acorn.c index 7c2be3558a24..75089febbc13 100644 --- a/drivers/i2c/busses/i2c-acorn.c +++ b/drivers/i2c/busses/i2c-acorn.c @@ -16,7 +16,7 @@ #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/io.h> #include <asm/hardware/ioc.h> #include <asm/system.h> diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c index 72872d1e63ef..8ba2bcf727d3 100644 --- a/drivers/i2c/busses/i2c-amd756-s4882.c +++ b/drivers/i2c/busses/i2c-amd756-s4882.c @@ -155,6 +155,9 @@ static int __init amd756_s4882_init(void) int i, error; union i2c_smbus_data ioconfig; + if (!amd756_smbus.dev.parent) + return -ENODEV; + /* Configure the PCA9556 multiplexer */ ioconfig.byte = 0x00; /* All I/O to output mode */ error = i2c_smbus_xfer(&amd756_smbus, 0x18, 0, I2C_SMBUS_WRITE, 0x03, @@ -168,11 +171,7 @@ static int __init amd756_s4882_init(void) /* Unregister physical bus */ error = i2c_del_adapter(&amd756_smbus); if (error) { - if (error == -EINVAL) - error = -ENODEV; - else - dev_err(&amd756_smbus.dev, "Physical bus removal " - "failed\n"); + dev_err(&amd756_smbus.dev, "Physical bus removal failed\n"); goto ERROR0; } diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 73d61946a534..c1adcdbf7979 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -27,9 +27,9 @@ #include <asm/io.h> -#include <asm/arch/at91_twi.h> -#include <asm/arch/board.h> -#include <asm/arch/cpu.h> +#include <mach/at91_twi.h> +#include <mach/board.h> +#include <mach/cpu.h> #define TWI_CLOCK 100000 /* Hz. max 400 Kbits/sec */ diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index af3846eda985..5d7789834b95 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -36,10 +36,9 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <asm/hardware.h> -#include <asm/mach-types.h> +#include <mach/hardware.h> -#include <asm/arch/i2c.h> +#include <mach/i2c.h> /* ----- global defines ----------------------------------------------- */ diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c index 5af9e6521e6c..05d72e981353 100644 --- a/drivers/i2c/busses/i2c-ixp2000.c +++ b/drivers/i2c/busses/i2c-ixp2000.c @@ -33,8 +33,8 @@ #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> -#include <asm/hardware.h> /* Pick up IXP2000-specific bits */ -#include <asm/arch/gpio.h> +#include <mach/hardware.h> /* Pick up IXP2000-specific bits */ +#include <mach/gpio.h> static inline int ixp2000_scl_pin(void *data) { diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c index d1a4cbcf2aa4..29015eb9ca46 100644 --- a/drivers/i2c/busses/i2c-nforce2-s4985.c +++ b/drivers/i2c/busses/i2c-nforce2-s4985.c @@ -150,6 +150,9 @@ static int __init nforce2_s4985_init(void) int i, error; union i2c_smbus_data ioconfig; + if (!nforce2_smbus) + return -ENODEV; + /* Configure the PCA9556 multiplexer */ ioconfig.byte = 0x00; /* All I/O to output mode */ error = i2c_smbus_xfer(nforce2_smbus, 0x18, 0, I2C_SMBUS_WRITE, 0x03, @@ -161,8 +164,6 @@ static int __init nforce2_s4985_init(void) } /* Unregister physical bus */ - if (!nforce2_smbus) - return -ENODEV; error = i2c_del_adapter(nforce2_smbus); if (error) { dev_err(&nforce2_smbus->dev, "Physical bus removal failed\n"); diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 1ca21084ffcf..ec15cff556b9 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -19,7 +19,7 @@ #include <linux/completion.h> #include <linux/platform_device.h> #include <linux/i2c-pnx.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/uaccess.h> diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index af9e6034d7fb..44d838410f15 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -34,11 +34,11 @@ #include <linux/err.h> #include <linux/clk.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/arch/i2c.h> -#include <asm/arch/pxa-regs.h> +#include <mach/i2c.h> +#include <mach/pxa-regs.h> struct pxa_i2c { spinlock_t lock; diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 4864723c7425..c772e02c2803 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -35,11 +35,11 @@ #include <linux/clk.h> #include <linux/cpufreq.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/arch/regs-gpio.h> +#include <mach/regs-gpio.h> #include <asm/plat-s3c/regs-iic.h> #include <asm/plat-s3c/iic.h> diff --git a/drivers/i2c/chips/at24.c b/drivers/i2c/chips/at24.c index e764c94f3e3d..2a4acb269569 100644 --- a/drivers/i2c/chips/at24.c +++ b/drivers/i2c/chips/at24.c @@ -188,7 +188,7 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf, count = I2C_SMBUS_BLOCK_MAX; status = i2c_smbus_read_i2c_block_data(client, offset, count, buf); - dev_dbg(&client->dev, "smbus read %zd@%d --> %d\n", + dev_dbg(&client->dev, "smbus read %zu@%d --> %d\n", count, offset, status); return (status < 0) ? -EIO : status; } @@ -214,7 +214,7 @@ static ssize_t at24_eeprom_read(struct at24_data *at24, char *buf, msg[1].len = count; status = i2c_transfer(client->adapter, msg, 2); - dev_dbg(&client->dev, "i2c read %zd@%d --> %d\n", + dev_dbg(&client->dev, "i2c read %zu@%d --> %d\n", count, offset, status); if (status == 2) @@ -334,7 +334,7 @@ static ssize_t at24_eeprom_write(struct at24_data *at24, char *buf, if (status == 1) status = count; } - dev_dbg(&client->dev, "write %zd@%d --> %zd (%ld)\n", + dev_dbg(&client->dev, "write %zu@%d --> %zd (%ld)\n", count, offset, status, jiffies); if (status == count) @@ -512,7 +512,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) i2c_set_clientdata(client, at24); - dev_info(&client->dev, "%Zd byte %s EEPROM %s\n", + dev_info(&client->dev, "%zu byte %s EEPROM %s\n", at24->bin.size, client->name, writable ? "(writable)" : "(read-only)"); dev_dbg(&client->dev, diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 03a33f1b9cd3..18355ae2155d 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -33,7 +33,7 @@ #include <linux/workqueue.h> #include <asm/irq.h> -#include <asm/arch/usb.h> +#include <mach/usb.h> #ifndef DEBUG @@ -94,7 +94,7 @@ struct isp1301 { /* board-specific PM hooks */ #include <asm/gpio.h> -#include <asm/arch/mux.h> +#include <mach/mux.h> #include <asm/mach-types.h> diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c index b36db1797c11..176126d3a01d 100644 --- a/drivers/i2c/chips/menelaus.c +++ b/drivers/i2c/chips/menelaus.c @@ -41,11 +41,10 @@ #include <linux/rtc.h> #include <linux/bcd.h> -#include <asm/mach-types.h> #include <asm/mach/irq.h> -#include <asm/arch/gpio.h> -#include <asm/arch/menelaus.h> +#include <mach/gpio.h> +#include <mach/menelaus.h> #define DRIVER_NAME "menelaus" diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 7bf38c418086..550853f79ae8 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -813,7 +813,12 @@ static int i2c_check_addr(struct i2c_adapter *adapter, int addr) int i2c_attach_client(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; - int res = 0; + int res; + + /* Check for address business */ + res = i2c_check_addr(adapter, client->addr); + if (res) + return res; client->dev.parent = &client->adapter->dev; client->dev.bus = &i2c_bus_type; @@ -1451,9 +1456,11 @@ i2c_new_probed_device(struct i2c_adapter *adap, if ((addr_list[i] & ~0x07) == 0x30 || (addr_list[i] & ~0x0f) == 0x50 || !i2c_check_functionality(adap, I2C_FUNC_SMBUS_QUICK)) { + union i2c_smbus_data data; + if (i2c_smbus_xfer(adap, addr_list[i], 0, I2C_SMBUS_READ, 0, - I2C_SMBUS_BYTE, NULL) >= 0) + I2C_SMBUS_BYTE, &data) >= 0) break; } else { if (i2c_smbus_xfer(adap, addr_list[i], 0, diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 9d55c6383b23..af4491fa7e34 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -147,7 +147,7 @@ static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count, if (tmp==NULL) return -ENOMEM; - pr_debug("i2c-dev: i2c-%d reading %zd bytes.\n", + pr_debug("i2c-dev: i2c-%d reading %zu bytes.\n", iminor(file->f_path.dentry->d_inode), count); ret = i2c_master_recv(client,tmp,count); @@ -175,7 +175,7 @@ static ssize_t i2cdev_write (struct file *file, const char __user *buf, size_t c return -EFAULT; } - pr_debug("i2c-dev: i2c-%d writing %zd bytes.\n", + pr_debug("i2c-dev: i2c-%d writing %zu bytes.\n", iminor(file->f_path.dentry->d_inode), count); ret = i2c_master_send(client,tmp,count); |