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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 15:40:39 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 15:40:39 -0800
commitea14fad0d416354a4e9bb1a04f32acba706f9548 (patch)
tree2c8acc5331f189aef1d40ddce3f40d6be9314e77 /drivers/i2c
parent6ee7e78e7c78d871409ad4df30551c9355be7d0e (diff)
parent6705cda24fad1cb0ac82ac4f312df8ec735b39b0 (diff)
downloadlinux-ea14fad0d416354a4e9bb1a04f32acba706f9548.tar.bz2
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (76 commits) [ARM] 4002/1: S3C24XX: leave parent IRQs unmasked [ARM] 4001/1: S3C24XX: shorten reboot time [ARM] 3983/2: remove unused argument to __bug() [ARM] 4000/1: Osiris: add third serial port in [ARM] 3999/1: RX3715: suspend to RAM support [ARM] 3998/1: VR1000: LED platform devices [ARM] 3995/1: iop13xx: add iop13xx support [ARM] 3968/1: iop13xx: add iop13xx_defconfig [ARM] Update mach-types [ARM] Allow gcc to optimise arm_add_memory a little more [ARM] 3991/1: i.MX/MX1 high resolution time source [ARM] 3990/1: i.MX/MX1 more precise PLL decode [ARM] 3986/1: H1940: suspend to RAM support [ARM] 3985/1: ixp4xx clocksource cleanup [ARM] 3984/1: ixp4xx/nslu2: Fix disk LED numbering (take 2) [ARM] 3994/1: ixp23xx: fix handling of pci master aborts [ARM] 3981/1: sched_clock for PXA2xx [ARM] 3980/1: extend the ARM Versatile sched_clock implementation from 32 to 63 bit [ARM] 3979/1: extend the SA11x0 sched_clock implementation from 32 to 63 bit period [ARM] 3978/1: macro to provide a 63-bit value from a 32-bit hardware counter ...
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/Kconfig6
-rw-r--r--drivers/i2c/busses/i2c-pxa.c131
2 files changed, 4 insertions, 133 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 04bee524e31a..90f91d039ee2 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -196,11 +196,11 @@ config I2C_IBM_IIC
will be called i2c-ibm_iic.
config I2C_IOP3XX
- tristate "Intel IOP3xx and IXP4xx on-chip I2C interface"
- depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX) && I2C
+ tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
+ depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || ARCH_IOP13XX) && I2C
help
Say Y here if you want to use the IIC bus controller on
- the Intel IOP3xx I/O Processors or IXP4xx Network Processors.
+ the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
This driver can also be built as a module. If so, the module
will be called i2c-iop3xx.
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index c95a6c154165..c3b1567c852a 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -358,133 +358,6 @@ static void i2c_pxa_reset(struct pxa_i2c *i2c)
#ifdef CONFIG_I2C_PXA_SLAVE
/*
- * I2C EEPROM emulation.
- */
-static struct i2c_eeprom_emu eeprom = {
- .size = I2C_EEPROM_EMU_SIZE,
- .watch = LIST_HEAD_INIT(eeprom.watch),
-};
-
-struct i2c_eeprom_emu *i2c_pxa_get_eeprom(void)
-{
- return &eeprom;
-}
-
-int i2c_eeprom_emu_addwatcher(struct i2c_eeprom_emu *emu, void *data,
- unsigned int addr, unsigned int size,
- struct i2c_eeprom_emu_watcher *watcher)
-{
- struct i2c_eeprom_emu_watch *watch;
- unsigned long flags;
-
- if (addr + size > emu->size)
- return -EINVAL;
-
- watch = kmalloc(sizeof(struct i2c_eeprom_emu_watch), GFP_KERNEL);
- if (watch) {
- watch->start = addr;
- watch->end = addr + size - 1;
- watch->ops = watcher;
- watch->data = data;
-
- local_irq_save(flags);
- list_add(&watch->node, &emu->watch);
- local_irq_restore(flags);
- }
-
- return watch ? 0 : -ENOMEM;
-}
-
-void i2c_eeprom_emu_delwatcher(struct i2c_eeprom_emu *emu, void *data,
- struct i2c_eeprom_emu_watcher *watcher)
-{
- struct i2c_eeprom_emu_watch *watch, *n;
- unsigned long flags;
-
- list_for_each_entry_safe(watch, n, &emu->watch, node) {
- if (watch->ops == watcher && watch->data == data) {
- local_irq_save(flags);
- list_del(&watch->node);
- local_irq_restore(flags);
- kfree(watch);
- }
- }
-}
-
-static void i2c_eeprom_emu_event(void *ptr, i2c_slave_event_t event)
-{
- struct i2c_eeprom_emu *emu = ptr;
-
- eedbg(3, "i2c_eeprom_emu_event: %d\n", event);
-
- switch (event) {
- case I2C_SLAVE_EVENT_START_WRITE:
- emu->seen_start = 1;
- eedbg(2, "i2c_eeprom: write initiated\n");
- break;
-
- case I2C_SLAVE_EVENT_START_READ:
- emu->seen_start = 0;
- eedbg(2, "i2c_eeprom: read initiated\n");
- break;
-
- case I2C_SLAVE_EVENT_STOP:
- emu->seen_start = 0;
- eedbg(2, "i2c_eeprom: received stop\n");
- break;
-
- default:
- eedbg(0, "i2c_eeprom: unhandled event\n");
- break;
- }
-}
-
-static int i2c_eeprom_emu_read(void *ptr)
-{
- struct i2c_eeprom_emu *emu = ptr;
- int ret;
-
- ret = emu->bytes[emu->ptr];
- emu->ptr = (emu->ptr + 1) % emu->size;
-
- return ret;
-}
-
-static void i2c_eeprom_emu_write(void *ptr, unsigned int val)
-{
- struct i2c_eeprom_emu *emu = ptr;
- struct i2c_eeprom_emu_watch *watch;
-
- if (emu->seen_start != 0) {
- eedbg(2, "i2c_eeprom_emu_write: setting ptr %02x\n", val);
- emu->ptr = val;
- emu->seen_start = 0;
- return;
- }
-
- emu->bytes[emu->ptr] = val;
-
- eedbg(1, "i2c_eeprom_emu_write: ptr=0x%02x, val=0x%02x\n",
- emu->ptr, val);
-
- list_for_each_entry(watch, &emu->watch, node) {
- if (!watch->ops || !watch->ops->write)
- continue;
- if (watch->start <= emu->ptr && watch->end >= emu->ptr)
- watch->ops->write(watch->data, emu->ptr, val);
- }
-
- emu->ptr = (emu->ptr + 1) % emu->size;
-}
-
-struct i2c_slave_client eeprom_client = {
- .data = &eeprom,
- .event = i2c_eeprom_emu_event,
- .read = i2c_eeprom_emu_read,
- .write = i2c_eeprom_emu_write
-};
-
-/*
* PXA I2C Slave mode
*/
@@ -963,11 +836,9 @@ static int i2c_pxa_probe(struct platform_device *dev)
i2c->slave_addr = I2C_PXA_SLAVE_ADDR;
#ifdef CONFIG_I2C_PXA_SLAVE
- i2c->slave = &eeprom_client;
if (plat) {
i2c->slave_addr = plat->slave_addr;
- if (plat->slave)
- i2c->slave = plat->slave;
+ i2c->slave = plat->slave;
}
#endif