[U-Boot] [PATCH] dm: core: Show driver name with 'dm tree'

[Simon Glass]

It is often useful to see which driver was actually selected for each
device. Add a new 'Driver' column to provide this information. Sample
output:

 Class       Probed   Driver     Name
----------------------------------------
 root        [ + ]    root_drive root_driver
 keyboard    [ + ]    i8042_kbd  |-- keyboard
 serial      [ + ]    ns16550_se |-- serial
 rtc         [   ]    rtc_mc1468 |-- rtc
 timer       [ + ]    tsc_timer  |-- tsc-timer
 syscon      [ + ]    ich6_pinct |-- pch_pinctrl
 pci         [ + ]    pci_x86    |-- pci
 northbridge [ + ]    bd82x6x_no |   |-- northbridge at 0,0
 video       [ + ]    bd82x6x_vi |   |-- gma at 2,0
 vidconsole0 [ + ]    vidconsole |   |   `-- gma at 2,0.vidconsole0
...

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/core/dump.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/core/dump.c b/drivers/core/dump.c
index c3e109e7ed..98e2b3cd23 100644
--- a/drivers/core/dump.c
+++ b/drivers/core/dump.c
@@ -18,8 +18,8 @@ static void show_devices(struct udevice *dev, int depth, int last_flag)
 
 	/* print the first 11 characters to not break the tree-format. */
 	strlcpy(class_name, dev->uclass->uc_drv->name, sizeof(class_name));
-	printf(" %-11s [ %c ]    ", class_name,
-	       dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ');
+	printf(" %-11s [ %c ]    %-10.10s ", class_name,
+	       dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
 
 	for (i = depth; i >= 0; i--) {
 		is_last = (last_flag >> i) & 1;
@@ -50,7 +50,7 @@ void dm_dump_all(void)
 
 	root = dm_root();
 	if (root) {
-		printf(" Class       Probed   Name\n");
+		printf(" Class       Probed   Driver     Name\n");
 		printf("----------------------------------------\n");
 		show_devices(root, -1, 0);
 	}
-- 
2.13.2.932.g7449e964c-goog