From: Troy Kisky <troy.kisky@boundarydevices.com>
Date: Thu, 19 Jul 2012 08:18:20 +0000 (+0000)
Subject: mxc_i2c: finish adding CONFIG_I2C_MULTI_BUS support
X-Git-Tag: v2012.10-rc1~415^2~15
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9815326d043b08f7ad355e53b8b7027634507879;p=oweals%2Fu-boot.git

mxc_i2c: finish adding CONFIG_I2C_MULTI_BUS support

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
---

diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index c00ead1f56..73d8958701 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -416,6 +416,23 @@ static int i2c_idle_bus(void *base)
 	return 0;
 }
 
+#ifdef CONFIG_I2C_MULTI_BUS
+unsigned int i2c_get_bus_num(void)
+{
+	return srdata.curr_i2c_bus;
+}
+
+int i2c_set_bus_num(unsigned bus_idx)
+{
+	if (bus_idx >= ARRAY_SIZE(srdata.i2c_data))
+		return -1;
+	if (!srdata.i2c_data[bus_idx].base)
+		return -1;
+	srdata.curr_i2c_bus = bus_idx;
+	return 0;
+}
+#endif
+
 int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
 {
 	return bus_i2c_read(get_base(), chip, addr, alen, buf, len);