diff options
| author | Moritz Fischer <moritz.fischer@ettus.com> | 2017-01-16 09:50:47 -0800 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2017-01-18 06:39:01 +0100 |
| commit | 19cdd5c5be2f13b85e771fa55870cb2ffb251501 (patch) | |
| tree | 33063ff15abc31cb7378e00335daa1321f379ed5 /drivers/i2c | |
| parent | 08c11aaefb0a81ab53337068d0d21035055665d1 (diff) | |
i2c: i2c-cdns: No need for dedicated probe function
The generic probe code in dm works, so get rid of the leftover cruft.
Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: u-boot@lists.denx.de
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-cdns.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c index 89d429b91e..dec18200ce 100644 --- a/drivers/i2c/i2c-cdns.c +++ b/drivers/i2c/i2c-cdns.c @@ -226,26 +226,6 @@ static int cdns_i2c_set_bus_speed(struct udevice *dev, unsigned int speed) return 0; } -/* Probe to see if a chip is present. */ -static int cdns_i2c_probe_chip(struct udevice *bus, uint chip_addr, - uint chip_flags) -{ - struct i2c_cdns_bus *i2c_bus = dev_get_priv(bus); - struct cdns_i2c_regs *regs = i2c_bus->regs; - - /* Attempt to read a byte */ - setbits_le32(®s->control, CDNS_I2C_CONTROL_CLR_FIFO | - CDNS_I2C_CONTROL_RW); - clrbits_le32(®s->control, CDNS_I2C_CONTROL_HOLD); - writel(0xFF, ®s->interrupt_status); - writel(chip_addr, ®s->address); - writel(1, ®s->transfer_size); - - return (cdns_i2c_wait(regs, CDNS_I2C_INTERRUPT_COMP | - CDNS_I2C_INTERRUPT_NACK) & - CDNS_I2C_INTERRUPT_COMP) ? 0 : -ETIMEDOUT; -} - static int cdns_i2c_write_data(struct i2c_cdns_bus *i2c_bus, u32 addr, u8 *data, u32 len) { @@ -453,7 +433,6 @@ static int cdns_i2c_ofdata_to_platdata(struct udevice *dev) static const struct dm_i2c_ops cdns_i2c_ops = { .xfer = cdns_i2c_xfer, - .probe_chip = cdns_i2c_probe_chip, .set_bus_speed = cdns_i2c_set_bus_speed, }; |