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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-02-11 17:09:41 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-02-16 11:16:08 -0500 |
| commit | b672c1619bb9615aff3ebbe15c20083fd0f58f9b (patch) | |
| tree | f53f556f1aefe4e1bc79d228188ed4a8b06ccef1 /common/iomux.c | |
| parent | 658d6c583663ae4f37cb6a5e104b2bf864fbc497 (diff) | |
| download | u-boot-b672c1619bb9615aff3ebbe15c20083fd0f58f9b.zip u-boot-b672c1619bb9615aff3ebbe15c20083fd0f58f9b.tar.gz u-boot-b672c1619bb9615aff3ebbe15c20083fd0f58f9b.tar.bz2 | |
IOMUX: Split out iomux_match_device() helper
Deduplicate the code used in a few places by splitting out a common helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'common/iomux.c')
| -rw-r--r-- | common/iomux.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/common/iomux.c b/common/iomux.c index 5d02756..a8be1ac 100644 --- a/common/iomux.c +++ b/common/iomux.c @@ -22,11 +22,21 @@ void iomux_printdevs(const int console) printf("\n"); } +int iomux_match_device(struct stdio_dev **set, const int n, struct stdio_dev *sdev) +{ + int i; + + for (i = 0; i < n; i++) + if (sdev == set[i]) + return i; + return -ENOENT; +} + /* This tries to preserve the old list if an error occurs. */ int iomux_doenv(const int console, const char *arg) { char *console_args, *temp, **start; - int i, j, k, io_flag, cs_idx, repeat; + int i, j, io_flag, cs_idx, repeat; struct stdio_dev **cons_set, **old_set; struct stdio_dev *dev; @@ -96,14 +106,8 @@ int iomux_doenv(const int console, const char *arg) /* * Prevent multiple entries for a device. */ - repeat = 0; - for (k = 0; k < cs_idx; k++) { - if (dev == cons_set[k]) { - repeat++; - break; - } - } - if (repeat) + repeat = iomux_match_device(cons_set, cs_idx, dev); + if (repeat >= 0) continue; /* * Try assigning the specified device. @@ -129,10 +133,7 @@ int iomux_doenv(const int console, const char *arg) /* Stop dropped consoles */ for (i = 0; i < repeat; i++) { - for (j = 0; j < cs_idx; j++) { - if (old_set[i] == cons_set[j]) - break; - } + j = iomux_match_device(cons_set, cs_idx, old_set[i]); if (j == cs_idx) console_stop(console, old_set[i]); } |