diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-03-10 16:38:23 +0100 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-03-15 13:33:54 +0100 |
| commit | b705c054255ae3264aa02d46347e9cfbcf26523a (patch) | |
| tree | c2f379c90d286ebcdac9eaed849f40083dbded23 /drivers/pinctrl/sh-pfc/core.c | |
| parent | cd3c1beecfeb757b16904386ea474d3c272de4ee (diff) | |
sh-pfc: Use proper error codes
Return proper error codes instead of -1, and propagate the error codes.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/core.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index 3a949465e88e..a04c497deccd 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -93,7 +93,7 @@ int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin) offset += range->end - range->begin + 1; } - return -1; + return -EINVAL; } static int sh_pfc_enum_in_range(pinmux_enum_t enum_id, @@ -233,7 +233,7 @@ static int sh_pfc_get_config_reg(struct sh_pfc *pfc, pinmux_enum_t enum_id, k++; } - return -1; + return -EINVAL; } static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, pinmux_enum_t mark, int pos, @@ -255,7 +255,7 @@ static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, pinmux_enum_t mark, int pos, } pr_err("cannot locate data/mark enum_id for mark %d\n", mark); - return -1; + return -EINVAL; } int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) @@ -264,6 +264,7 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) pinmux_enum_t enum_id; const struct pinmux_range *range; int in_range, pos, field, value; + int ret; switch (pinmux_type) { @@ -288,7 +289,7 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) break; default: - return -1; + return -EINVAL; } pos = 0; @@ -297,8 +298,8 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) value = 0; while (1) { pos = sh_pfc_mark_to_enum(pfc, mark, pos, &enum_id); - if (pos <= 0) - return -1; + if (pos < 0) + return pos; if (!enum_id) break; @@ -341,9 +342,9 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) if (!in_range) continue; - if (sh_pfc_get_config_reg(pfc, enum_id, &cr, - &field, &value) != 0) - return -1; + ret = sh_pfc_get_config_reg(pfc, enum_id, &cr, &field, &value); + if (ret < 0) + return ret; sh_pfc_write_config_reg(pfc, cr, field, value); } |