diff options
Diffstat (limited to 'drivers/pinctrl/renesas/pinctrl-rzg2l.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index eb5a8c654260..c3256bfde502 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -892,6 +892,8 @@ static int rzg2l_set_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps val = PVDD_1800; break; case 2500: + if (!(caps & (PIN_CFG_IO_VMC_ETH0 | PIN_CFG_IO_VMC_ETH1))) + return -EINVAL; val = PVDD_2500; break; case 3300: @@ -2045,7 +2047,9 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pinctrl *pctrl) for (unsigned int i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) { struct irq_data *data; + unsigned long flags; unsigned int virq; + int ret; if (!pctrl->hwirq[i]) continue; @@ -2063,8 +2067,18 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pinctrl *pctrl) continue; } - if (!irqd_irq_disabled(data)) + /* + * This has to be atomically executed to protect against a concurrent + * interrupt. + */ + raw_spin_lock_irqsave(&pctrl->lock.rlock, flags); + ret = rzg2l_gpio_irq_set_type(data, irqd_get_trigger_type(data)); + if (!ret && !irqd_irq_disabled(data)) rzg2l_gpio_irq_enable(data); + raw_spin_unlock_irqrestore(&pctrl->lock.rlock, flags); + + if (ret) + dev_crit(pctrl->dev, "Failed to set IRQ type for virq=%u\n", virq); } } @@ -2502,7 +2516,7 @@ static void rzg2l_pinctrl_pm_setup_dedicated_regs(struct rzg2l_pinctrl *pctrl, b } } -static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) +static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) { u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; |