[U-Boot-Users] error: `CFG_RTC_BUS_NUM' undeclared

[Stefan Roese]

Hi Kim,

On Thursday 01 March 2007 01:21, Kim Phillips wrote:
> The code introduced with your patch "[PATCH] I2C: Add support for multiple
> I2C busses for RTC & DTT":
>
> http://www.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=commitdiff;h=0dc018ece
>13effc689e47479ea9ebf1c98a507f5
>
> breaks board builds that don't define CFG_RTC_BUS_NUM but do define
> CFG_CMD_DATE (such as the MPC8349EMDS):
>
> cmd_date.c: In function `do_date':
> cmd_date.c:52: error: `CFG_RTC_BUS_NUM' undeclared (first use in this
> function)

Ups. Sorry.

> CFG_RTC_BUS_NUM needs to either be protected, or forced to 0 if undefined,
> or even enforce that all boards that define CMD_DATE also define the RTC
> bus.  Let me know how you want to proceed.

How about this (I'll forward this patch today to Wolfgang):

[PATCH] I2C: Add missing default CFG_RTC_BUS_NUM & CFG_DTT_BUS_NUM

Signed-off-by: Stefan Roese <sr at denx.de>

---
commit 8c12045a3b06c5b6675d3fe02fbc9f545988129a
tree 1be6aa3d773a9dddb80655f66ad95aee054d618c
parent 743571145b37182757d4e688a77860b36ee77573
author Stefan Roese <sr at denx.de> Thu, 01 Mar 2007 07:03:25 +0100
committer Stefan Roese <sr at denx.de> Thu, 01 Mar 2007 07:03:25 +0100

 include/i2c.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/include/i2c.h b/include/i2c.h
index 54c6f9f..d31c72d 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -56,6 +56,14 @@
 #define I2C_SET_BUS(a)
 #endif
 
+/* define the I2C bus number for RTC and DTT if not already done */
+#if !defined(CFG_RTC_BUS_NUM)
+#define CFG_RTC_BUS_NUM		0
+#endif
+#if !defined(CFG_DTT_BUS_NUM)
+#define CFG_DTT_BUS_NUM		0
+#endif
+
 /*
  * Initialization, must be called once on start up, may be called
  * repeatedly to change the speed and slave addresses.