[U-Boot] [PATCH 15/20] dm: rtc: Convert 'date' command to support driver model
Simon Glass
sjg at chromium.org
Mon Apr 20 20:37:26 CEST 2015
Adjust this command so that it supports using driver model for I2C, i.e.
CONFIG_DM_I2C. This will permit it to be used in sandbox also.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
common/cmd_date.c | 53 +++++++++++++++++++++++++++++++++++++++--------------
1 file changed, 39 insertions(+), 14 deletions(-)
diff --git a/common/cmd_date.c b/common/cmd_date.c
index 3b7ac3e..d7690a0 100644
--- a/common/cmd_date.c
+++ b/common/cmd_date.c
@@ -10,6 +10,7 @@
*/
#include <common.h>
#include <command.h>
+#include <dm.h>
#include <rtc.h>
#include <i2c.h>
@@ -31,10 +32,18 @@ static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct rtc_time tm;
int rcode = 0;
- int old_bus;
+ int old_bus __maybe_unused;
/* switch to correct I2C bus */
-#ifdef CONFIG_SYS_I2C
+#ifdef CONFIG_DM_I2C
+ struct udevice *dev;
+
+ rcode = uclass_get_device(UCLASS_RTC, 0, &dev);
+ if (rcode) {
+ printf("Cannot find RTC: err=%d\n", rcode);
+ return CMD_RET_FAILURE;
+ }
+#elif defined(CONFIG_SYS_I2C)
old_bus = i2c_get_bus_num();
i2c_set_bus_num(CONFIG_SYS_RTC_BUS_NUM);
#else
@@ -46,29 +55,45 @@ static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
case 2: /* set date & time */
if (strcmp(argv[1],"reset") == 0) {
puts ("Reset RTC...\n");
- rtc_reset ();
+#ifdef CONFIG_DM_I2C
+ rcode = dm_rtc_reset(dev);
+#else
+ rtc_reset();
+#endif
} else {
/* initialize tm with current time */
- rcode = rtc_get (&tm);
-
- if(!rcode) {
+#ifdef CONFIG_DM_I2C
+ rcode = dm_rtc_get(dev, &tm);
+#else
+ rcode = rtc_get(&tm);
+#endif
+ if (!rcode) {
/* insert new date & time */
- if (mk_date (argv[1], &tm) != 0) {
+ if (mk_date(argv[1], &tm) != 0) {
puts ("## Bad date format\n");
break;
}
/* and write to RTC */
- rcode = rtc_set (&tm);
- if(rcode)
- puts("## Set date failed\n");
+#ifdef CONFIG_DM_I2C
+ rcode = dm_rtc_set(dev, &tm);
+#else
+ rcode = rtc_set(&tm);
+#endif
+ if (rcode) {
+ printf("## Set date failed: err=%d\n",
+ rcode);
+ }
} else {
puts("## Get date failed\n");
}
}
/* FALL TROUGH */
case 1: /* get date & time */
- rcode = rtc_get (&tm);
-
+#ifdef CONFIG_DM_I2C
+ rcode = dm_rtc_get(dev, &tm);
+#else
+ rcode = rtc_get(&tm);
+#endif
if (rcode) {
puts("## Get date failed\n");
break;
@@ -88,11 +113,11 @@ static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
/* switch back to original I2C bus */
#ifdef CONFIG_SYS_I2C
i2c_set_bus_num(old_bus);
-#else
+#elif !defined(CONFIG_DM_I2C)
I2C_SET_BUS(old_bus);
#endif
- return rcode;
+ return rcode ? CMD_RET_FAILURE : 0;
}
/*
--
2.2.0.rc0.207.ga3a616c
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