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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-01-10 14:19:20 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-02-21 13:57:44 +0100 |
| commit | 4ef30dc72d0a3b3087078379b8e6d666a3c24270 (patch) | |
| tree | 2234dfede485b5076f590ebd404a111b996199ec | |
| parent | 12d057bad683b1c60476681ecc835c858018df60 (diff) | |
| download | linux-4ef30dc72d0a3b3087078379b8e6d666a3c24270.tar.gz linux-4ef30dc72d0a3b3087078379b8e6d666a3c24270.tar.bz2 linux-4ef30dc72d0a3b3087078379b8e6d666a3c24270.zip | |
pinctrl: sh-pfc: checker: Improve pin checks
Improve the checks for pin descriptors:
1. Introduce local variables for the current pin, to make the checks
easier to read,
2. Pins must have a name,
3. Fix double printing of identical pin names.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20200110131927.1029-7-geert+renesas@glider.be
| -rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index 6c6eb791f145..be7afc48703d 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -860,25 +860,27 @@ static void __init sh_pfc_check_info(const struct sh_pfc_soc_info *info) /* Check pins */ for (i = 0; i < info->nr_pins; i++) { + const struct sh_pfc_pin *pin = &info->pins[i]; + + if (!pin->name) { + sh_pfc_err("empty pin %u\n", i); + continue; + } for (j = 0; j < i; j++) { - if (same_name(info->pins[i].name, info->pins[j].name)) - sh_pfc_err("pin %s/%s: name conflict\n", - info->pins[i].name, - info->pins[j].name); + const struct sh_pfc_pin *pin2 = &info->pins[j]; + + if (same_name(pin->name, pin2->name)) + sh_pfc_err("pin %s: name conflict\n", + pin->name); - if (info->pins[i].pin != (u16)-1 && - info->pins[i].pin == info->pins[j].pin) + if (pin->pin != (u16)-1 && pin->pin == pin2->pin) sh_pfc_err("pin %s/%s: pin %u conflict\n", - info->pins[i].name, - info->pins[j].name, - info->pins[i].pin); + pin->name, pin2->name, pin->pin); - if (info->pins[i].enum_id && - info->pins[i].enum_id == info->pins[j].enum_id) + if (pin->enum_id && pin->enum_id == pin2->enum_id) sh_pfc_err("pin %s/%s: enum_id %u conflict\n", - info->pins[i].name, - info->pins[j].name, - info->pins[i].enum_id); + pin->name, pin2->name, + pin->enum_id); } } |