diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-10-28 18:16:34 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2020-11-13 17:37:41 +0300 |
| commit | 27e768a4e7fa8b2b727a05e2eabf000ac7119f5d (patch) | |
| tree | 23c54931901de62e97791b08241cc0d562203793 /drivers/pinctrl/renesas/pfc-r8a77950.c | |
| parent | 8019938a85d0f7e5ed06cd9bf0824e5edae9be2b (diff) | |
| download | linux-27e768a4e7fa8b2b727a05e2eabf000ac7119f5d.tar.xz | |
pinctrl: renesas: Factor out common R-Car Gen3 bias handling
All pin control drivers for R-Car Gen3 SoCs contain identical bias
handling. Reduce code duplication by moving it to the common pinctrl.c
code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20201028151637.1734130-6-geert+renesas@glider.be
Diffstat (limited to 'drivers/pinctrl/renesas/pfc-r8a77950.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pfc-r8a77950.c | 45 |
1 files changed, 2 insertions, 43 deletions
diff --git a/drivers/pinctrl/renesas/pfc-r8a77950.c b/drivers/pinctrl/renesas/pfc-r8a77950.c index 04812e62f3a4..32b66b9999b8 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77950.c +++ b/drivers/pinctrl/renesas/pfc-r8a77950.c @@ -5820,51 +5820,10 @@ static const struct pinmux_bias_reg pinmux_bias_regs[] = { { /* sentinel */ }, }; -static unsigned int r8a77950_pinmux_get_bias(struct sh_pfc *pfc, - unsigned int pin) -{ - const struct pinmux_bias_reg *reg; - unsigned int bit; - - reg = sh_pfc_pin_to_bias_reg(pfc, pin, &bit); - if (!reg) - return PIN_CONFIG_BIAS_DISABLE; - - if (!(sh_pfc_read(pfc, reg->puen) & BIT(bit))) - return PIN_CONFIG_BIAS_DISABLE; - else if (sh_pfc_read(pfc, reg->pud) & BIT(bit)) - return PIN_CONFIG_BIAS_PULL_UP; - else - return PIN_CONFIG_BIAS_PULL_DOWN; -} - -static void r8a77950_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, - unsigned int bias) -{ - const struct pinmux_bias_reg *reg; - u32 enable, updown; - unsigned int bit; - - reg = sh_pfc_pin_to_bias_reg(pfc, pin, &bit); - if (!reg) - return; - - enable = sh_pfc_read(pfc, reg->puen) & ~BIT(bit); - if (bias != PIN_CONFIG_BIAS_DISABLE) - enable |= BIT(bit); - - updown = sh_pfc_read(pfc, reg->pud) & ~BIT(bit); - if (bias == PIN_CONFIG_BIAS_PULL_UP) - updown |= BIT(bit); - - sh_pfc_write(pfc, reg->pud, updown); - sh_pfc_write(pfc, reg->puen, enable); -} - static const struct sh_pfc_soc_operations r8a77950_pinmux_ops = { .pin_to_pocctrl = r8a77950_pin_to_pocctrl, - .get_bias = r8a77950_pinmux_get_bias, - .set_bias = r8a77950_pinmux_set_bias, + .get_bias = rcar_pinmux_get_bias, + .set_bias = rcar_pinmux_set_bias, }; const struct sh_pfc_soc_info r8a77950_pinmux_info = { |