[PATCH v4 15/21] cmd: List all uclass devices regardless of probe error
Michal Suchanek
msuchanek at suse.de
Sun Sep 25 10:28:08 CEST 2022
There are a few commands that iterate uclass with
uclass_first_device/uclass_next_device or the _err variant.
Use the _check class iterator variant to get devices that fail to probe
as well, and print the status.
Signed-off-by: Michal Suchanek <msuchanek at suse.de>
---
cmd/adc.c | 22 ++++++++++------------
cmd/demo.c | 16 ++++++++++------
cmd/gpio.c | 15 +++++++++++----
cmd/pmic.c | 15 ++++++++-------
cmd/regulator.c | 13 +++++++------
5 files changed, 46 insertions(+), 35 deletions(-)
diff --git a/cmd/adc.c b/cmd/adc.c
index 1c5d3e10a3..7dcb44eb61 100644
--- a/cmd/adc.c
+++ b/cmd/adc.c
@@ -6,29 +6,27 @@
#include <common.h>
#include <command.h>
#include <dm.h>
+#include <errno.h>
#include <adc.h>
static int do_adc_list(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct udevice *dev;
- int ret;
+ int ret, err;
- ret = uclass_first_device_err(UCLASS_ADC, &dev);
- if (ret) {
- printf("No available ADC device\n");
- return CMD_RET_FAILURE;
- }
+ ret = err = uclass_first_device_check(UCLASS_ADC, &dev);
- do {
- printf("- %s\n", dev->name);
+ while (dev) {
+ printf("- %s status: %s\n", dev->name,
+ ret ? errno_str(ret) : "OK");
- ret = uclass_next_device(&dev);
+ ret = uclass_next_device_check(&dev);
if (ret)
- return CMD_RET_FAILURE;
- } while (dev);
+ err = ret;
+ }
- return CMD_RET_SUCCESS;
+ return err ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
}
static int do_adc_info(struct cmd_tbl *cmdtp, int flag, int argc,
diff --git a/cmd/demo.c b/cmd/demo.c
index 571f562ec6..56551f269d 100644
--- a/cmd/demo.c
+++ b/cmd/demo.c
@@ -10,6 +10,7 @@
#include <command.h>
#include <dm.h>
#include <dm-demo.h>
+#include <errno.h>
#include <mapmem.h>
#include <asm/io.h>
@@ -64,20 +65,23 @@ static int do_demo_light(struct cmd_tbl *cmdtp, int flag, int argc,
int do_demo_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct udevice *dev;
- int i, ret;
+ int i, ret, err = 0;
puts("Demo uclass entries:\n");
- for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
+ for (i = 0, ret = uclass_first_device_check(UCLASS_DEMO, &dev);
dev;
- ret = uclass_next_device(&dev)) {
- printf("entry %d - instance %08x, ops %08x, plat %08x\n",
+ ret = uclass_next_device_check(&dev)) {
+ printf("entry %d - instance %08x, ops %08x, plat %08x, probe %i (%s)\n",
i++, (uint)map_to_sysmem(dev),
(uint)map_to_sysmem(dev->driver->ops),
- (uint)map_to_sysmem(dev_get_plat(dev)));
+ (uint)map_to_sysmem(dev_get_plat(dev)),
+ ret, errno_str(ret));
+ if (ret)
+ err = ret;
}
- return cmd_process_error(cmdtp, ret);
+ return cmd_process_error(cmdtp, err);
}
static struct cmd_tbl demo_commands[] = {
diff --git a/cmd/gpio.c b/cmd/gpio.c
index 53e9ce666f..4bf410a9e7 100644
--- a/cmd/gpio.c
+++ b/cmd/gpio.c
@@ -77,17 +77,24 @@ static int do_gpio_status(bool all, const char *gpio_name)
struct udevice *dev;
int banklen;
int flags;
- int ret;
+ int ret, err = 0;
flags = 0;
if (gpio_name && !*gpio_name)
gpio_name = NULL;
- for (ret = uclass_first_device(UCLASS_GPIO, &dev);
+ for (ret = uclass_first_device_check(UCLASS_GPIO, &dev);
dev;
- ret = uclass_next_device(&dev)) {
+ ret = uclass_next_device_check(&dev)) {
const char *bank_name;
int num_bits;
+ if (ret) {
+ printf("GPIO device %s probe error %i (%s)\n",
+ dev->name, ret, errno_str(ret));
+ err = ret;
+ continue;
+ }
+
flags |= FLAG_SHOW_BANK;
if (all)
flags |= FLAG_SHOW_ALL;
@@ -120,7 +127,7 @@ static int do_gpio_status(bool all, const char *gpio_name)
flags |= FLAG_SHOW_NEWLINE;
}
- return ret;
+ return err;
}
#endif
diff --git a/cmd/pmic.c b/cmd/pmic.c
index 0cb44d0740..d5624241e6 100644
--- a/cmd/pmic.c
+++ b/cmd/pmic.c
@@ -51,25 +51,26 @@ static int do_list(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct udevice *dev;
- int ret;
+ int ret, err = 0;
printf("| %-*.*s| %-*.*s| %s @ %s\n",
LIMIT_DEV, LIMIT_DEV, "Name",
LIMIT_PARENT, LIMIT_PARENT, "Parent name",
"Parent uclass", "seq");
- for (ret = uclass_first_device(UCLASS_PMIC, &dev); dev;
- ret = uclass_next_device(&dev)) {
+ for (ret = uclass_first_device_check(UCLASS_PMIC, &dev); dev;
+ ret = uclass_next_device_check(&dev)) {
if (ret)
- continue;
+ err = ret;
- printf("| %-*.*s| %-*.*s| %s @ %d\n",
+ printf("| %-*.*s| %-*.*s| %s @ %d | probe: %i (%s)\n",
LIMIT_DEV, LIMIT_DEV, dev->name,
LIMIT_PARENT, LIMIT_PARENT, dev->parent->name,
- dev_get_uclass_name(dev->parent), dev_seq(dev->parent));
+ dev_get_uclass_name(dev->parent), dev_seq(dev->parent),
+ ret, errno_str(ret));
}
- if (ret)
+ if (err)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
diff --git a/cmd/regulator.c b/cmd/regulator.c
index 60a70036d6..129c9fec20 100644
--- a/cmd/regulator.c
+++ b/cmd/regulator.c
@@ -205,7 +205,7 @@ static void do_status_detail(struct udevice *dev,
constraint(" * mode id:", mode, mode_name);
}
-static void do_status_line(struct udevice *dev)
+static void do_status_line(struct udevice *dev, int status)
{
struct dm_regulator_uclass_plat *pdata;
int current, value, mode;
@@ -231,6 +231,7 @@ static void do_status_line(struct udevice *dev)
printf("%-10s", mode_name);
else
printf("%-10s", "-");
+ printf(" %s", status ? errno_str(status) : "OK");
printf("\n");
}
@@ -250,11 +251,11 @@ static int do_status(struct cmd_tbl *cmdtp, int flag, int argc,
}
/* Show all of them in a list, probing them as needed */
- printf("%-20s %-10s %10s %10s %-10s\n", "Name", "Enabled", "uV", "mA",
- "Mode");
- for (ret = uclass_first_device(UCLASS_REGULATOR, &dev); dev;
- ret = uclass_next_device(&dev))
- do_status_line(dev);
+ printf("%-20s %-10s %10s %10s %-10s %s\n", "Name", "Enabled", "uV", "mA",
+ "Mode", "Status");
+ for (ret = uclass_first_device_check(UCLASS_REGULATOR, &dev); dev;
+ ret = uclass_next_device_check(&dev))
+ do_status_line(dev, ret);
return CMD_RET_SUCCESS;
}
--
2.37.3
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