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dm: console: Check for serial devices properly

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With driver model the serial device is often not called "serial". Mark
driver-model stdio devices so that they can be detected and we can look up
the uclass. This is a more reliable way of finding out whether the console
is connected to a serial device or not.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2017-07-27 09:31:04 -06:00
committed by Tom Rini
parent 42f9f915c2
commit 7b3c4c3a53
3 changed files with 12 additions and 2 deletions
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include/stdio_dev.h
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@@ -16,6 +16,7 @@
#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
#define DEV_FLAGS_DM 0x00000004 /* Device priv is a struct udevice * */
/* Device information */
struct stdio_dev {