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authorLiam Beguin <lbeguin@tycoint.com>2017-03-14 15:24:40 (GMT)
committerHeiko Schocher <hs@denx.de>2017-03-28 04:26:16 (GMT)
commit552531e45d852b06d641a960bad79cff3a0d23ad (patch)
tree6428ff152956bd6d2617c38c8d2118c7429ae561
parent03d924ae7680f3d64215adf424c87540d89e7ca5 (diff)
downloadu-boot-552531e45d852b06d641a960bad79cff3a0d23ad.tar.xz
i2c: lpc32xx: Prepare compatibility functions
This is part of the prep work for the migration to the driver model. Signed-off-by: Liam Beguin <lbeguin@tycoint.com> Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>
-rw-r--r--drivers/i2c/lpc32xx_i2c.c47
1 files changed, 38 insertions, 9 deletions
diff --git a/drivers/i2c/lpc32xx_i2c.c b/drivers/i2c/lpc32xx_i2c.c
index 404fd53..e5dfdfe 100644
--- a/drivers/i2c/lpc32xx_i2c.c
+++ b/drivers/i2c/lpc32xx_i2c.c
@@ -68,7 +68,7 @@ static struct lpc32xx_i2c_registers *lpc32xx_i2c[] = {
};
/* Set I2C bus speed */
-static unsigned int lpc32xx_i2c_set_bus_speed(struct i2c_adapter *adap,
+static unsigned int __i2c_set_bus_speed(struct i2c_adapter *adap,
unsigned int speed)
{
int half_period;
@@ -93,7 +93,7 @@ static unsigned int lpc32xx_i2c_set_bus_speed(struct i2c_adapter *adap,
}
/* I2C init called by cmd_i2c when doing 'i2c reset'. */
-static void _i2c_init(struct i2c_adapter *adap,
+static void __i2c_init(struct i2c_adapter *adap,
int requested_speed, int slaveadd)
{
struct lpc32xx_i2c_registers *i2c = lpc32xx_i2c[adap->hwadapnr];
@@ -101,11 +101,11 @@ static void _i2c_init(struct i2c_adapter *adap,
/* soft reset (auto-clears) */
writel(LPC32XX_I2C_SOFT_RESET, &i2c->ctrl);
/* set HI and LO periods for half of the default speed */
- lpc32xx_i2c_set_bus_speed(adap, requested_speed);
+ __i2c_set_bus_speed(adap, requested_speed);
}
/* I2C probe called by cmd_i2c when doing 'i2c probe'. */
-static int lpc32xx_i2c_probe_chip(struct i2c_adapter *adap, u8 dev)
+static int __i2c_probe_chip(struct i2c_adapter *adap, u8 dev)
{
struct lpc32xx_i2c_registers *i2c = lpc32xx_i2c[adap->hwadapnr];
int stat;
@@ -128,7 +128,7 @@ static int lpc32xx_i2c_probe_chip(struct i2c_adapter *adap, u8 dev)
* I2C read called by cmd_i2c when doing 'i2c read' and by cmd_eeprom.c
* Begin write, send address byte(s), begin read, receive data bytes, end.
*/
-static int lpc32xx_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
+static int __i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
int alen, u8 *data, int length)
{
struct lpc32xx_i2c_registers *i2c = lpc32xx_i2c[adap->hwadapnr];
@@ -196,7 +196,7 @@ static int lpc32xx_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
* I2C write called by cmd_i2c when doing 'i2c write' and by cmd_eeprom.c
* Begin write, send address byte(s), send data bytes, end.
*/
-static int lpc32xx_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
+static int __i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
int alen, u8 *data, int length)
{
struct lpc32xx_i2c_registers *i2c = lpc32xx_i2c[adap->hwadapnr];
@@ -246,21 +246,50 @@ static int lpc32xx_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
return 0;
}
-U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_0, _i2c_init, lpc32xx_i2c_probe_chip,
+static void lpc32xx_i2c_init(struct i2c_adapter *adap,
+ int requested_speed, int slaveadd)
+{
+ __i2c_init(adap, requested_speed, slaveadd);
+}
+
+static int lpc32xx_i2c_probe_chip(struct i2c_adapter *adap, u8 dev)
+{
+ return __i2c_probe_chip(adap, dev);
+}
+
+static int lpc32xx_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
+ int alen, u8 *data, int length)
+{
+ return __i2c_read(adap, dev, addr, alen, data, length);
+}
+
+static int lpc32xx_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr,
+ int alen, u8 *data, int length)
+{
+ return __i2c_write(adap, dev, addr, alen, data, length);
+}
+
+static unsigned int lpc32xx_i2c_set_bus_speed(struct i2c_adapter *adap,
+ unsigned int speed)
+{
+ return __i2c_set_bus_speed(adap, speed);
+}
+
+U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_0, lpc32xx_i2c_init, lpc32xx_i2c_probe_chip,
lpc32xx_i2c_read, lpc32xx_i2c_write,
lpc32xx_i2c_set_bus_speed,
CONFIG_SYS_I2C_LPC32XX_SPEED,
CONFIG_SYS_I2C_LPC32XX_SLAVE,
0)
-U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_1, _i2c_init, lpc32xx_i2c_probe_chip,
+U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_1, lpc32xx_i2c_init, lpc32xx_i2c_probe_chip,
lpc32xx_i2c_read, lpc32xx_i2c_write,
lpc32xx_i2c_set_bus_speed,
CONFIG_SYS_I2C_LPC32XX_SPEED,
CONFIG_SYS_I2C_LPC32XX_SLAVE,
1)
-U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_2, _i2c_init, NULL,
+U_BOOT_I2C_ADAP_COMPLETE(lpc32xx_2, lpc32xx_i2c_init, NULL,
lpc32xx_i2c_read, lpc32xx_i2c_write,
lpc32xx_i2c_set_bus_speed,
100000,