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IOMUX: Stop dropped consoles

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When at some point environment shrinks we need to stop dropped devices.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andy Shevchenko 2020-12-21 14:30:08 +02:00 committed by Tom Rini
parent 420782c45b
commit 70c2525c0d
1 changed files with 16 additions and 3 deletions
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19
common/iomux.c
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@ -27,8 +27,8 @@ int iomux_doenv(const int console, const char *arg)
{
char *console_args, *temp, **start;
int i, j, k, io_flag, cs_idx, repeat;
struct stdio_dev **cons_set, **old_set;
struct stdio_dev *dev;
struct stdio_dev **cons_set;
console_args = strdup(arg);
if (console_args == NULL)
@ -128,10 +128,23 @@ int iomux_doenv(const int console, const char *arg)
return 1;
}
/* Works even if console_devices[console] is NULL. */
free(console_devices[console]);
old_set = console_devices[console];
repeat = cd_count[console];
console_devices[console] = cons_set;
cd_count[console] = cs_idx;
/* Stop dropped consoles */
for (i = 0; i < repeat; i++) {
for (j = 0; j < cs_idx; j++) {
if (old_set[i] == cons_set[j])
break;
}
if (j == cs_idx)
console_stop(console, old_set[i]);
}
free(old_set);
return 0;
}
#endif /* CONSOLE_MUX */