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dm: reset: Allow reset_walk() to return

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Add a new reset_walk_halt() function to cause a reset and then halt on
failure. The reset_walk() function returns an error code.

This is needed for testing since otherwise U-Boot will halt in the middle
of a test.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2015-07-06 12:54:27 -06:00
parent dc6f4d3a55
commit 1704d083b3
2 changed files with 35 additions and 7 deletions
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11
include/reset.h
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@@ -51,8 +51,17 @@ int reset_request(struct udevice *dev, enum reset_t type);
* If this function fails to reset, it will display a message and halt
*
* @type: Reset type to request
* @return -EINPROGRESS if a reset is in progress, -ENOSYS if not available
*/
void reset_walk(enum reset_t type);
int reset_walk(enum reset_t type);
/**
* reset_walk_halt() - try to reset, otherwise halt
*
* This calls reset_walk(). If it returns, indicating that reset is not
* supported, it prints a message and halts.
*/
void reset_walk_halt(enum reset_t type);
/**
* reset_cpu() - calls reset_walk(RESET_WARM)