diff options
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-cherryview.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 41708f7ea65c..6b2fbc0ac422 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -73,6 +73,16 @@ struct intel_pad_context { }; /** + * struct intel_community_context - community context for Cherryview + * @intr_lines: Mapping between 16 HW interrupt wires and GPIO offset (in GPIO number space) + * @saved_intmask: Interrupt mask saved for system sleep + */ +struct intel_community_context { + unsigned int intr_lines[16]; + u32 saved_intmask; +}; + +/** * struct chv_pinctrl - CHV pinctrl private structure * @dev: Pointer to the parent device * @pctldesc: Pin controller description @@ -84,8 +94,6 @@ struct intel_pad_context { * @ncommunities: Number of communities in this pin controller * @context: Configuration saved over system sleep * @irq: Our parent irq - * @intr_lines: Mapping between 16 HW interrupt wires and GPIO offset (in GPIO number space) - * @saved_intmask: Interrupt mask saved for system sleep */ struct chv_pinctrl { struct device *dev; @@ -98,9 +106,6 @@ struct chv_pinctrl { size_t ncommunities; struct intel_pinctrl_context context; int irq; - - unsigned int intr_lines[16]; - u32 saved_intmask; }; #define PINMODE_INVERT_OE BIT(15) @@ -815,12 +820,13 @@ static int chv_gpio_request_enable(struct pinctrl_dev *pctldev, return -EBUSY; } } else { + struct intel_community_context *cctx = &pctrl->context.communities[0]; int i; /* Reset the interrupt mapping */ - for (i = 0; i < ARRAY_SIZE(pctrl->intr_lines); i++) { - if (pctrl->intr_lines[i] == offset) { - pctrl->intr_lines[i] = 0; + for (i = 0; i < ARRAY_SIZE(cctx->intr_lines); i++) { + if (cctx->intr_lines[i] == offset) { + cctx->intr_lines[i] = 0; break; } } @@ -1310,6 +1316,7 @@ static unsigned chv_gpio_irq_startup(struct irq_data *d) if (irqd_get_trigger_type(d) == IRQ_TYPE_NONE) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct chv_pinctrl *pctrl = gpiochip_get_data(gc); + struct intel_community_context *cctx = &pctrl->context.communities[0]; unsigned int pin = irqd_to_hwirq(d); irq_flow_handler_t handler; unsigned long flags; @@ -1326,9 +1333,9 @@ static unsigned chv_gpio_irq_startup(struct irq_data *d) else handler = handle_edge_irq; - if (!pctrl->intr_lines[intsel]) { + if (!cctx->intr_lines[intsel]) { irq_set_handler_locked(d, handler); - pctrl->intr_lines[intsel] = pin; + cctx->intr_lines[intsel] = pin; } raw_spin_unlock_irqrestore(&chv_lock, flags); } @@ -1341,6 +1348,7 @@ static int chv_gpio_irq_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct chv_pinctrl *pctrl = gpiochip_get_data(gc); + struct intel_community_context *cctx = &pctrl->context.communities[0]; unsigned int pin = irqd_to_hwirq(d); unsigned long flags; u32 value; @@ -1385,7 +1393,7 @@ static int chv_gpio_irq_type(struct irq_data *d, unsigned int type) value &= CHV_PADCTRL0_INTSEL_MASK; value >>= CHV_PADCTRL0_INTSEL_SHIFT; - pctrl->intr_lines[value] = pin; + cctx->intr_lines[value] = pin; if (type & IRQ_TYPE_EDGE_BOTH) irq_set_handler_locked(d, handle_edge_irq); @@ -1402,6 +1410,7 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct chv_pinctrl *pctrl = gpiochip_get_data(gc); const struct intel_community *community = &pctrl->communities[0]; + struct intel_community_context *cctx = &pctrl->context.communities[0]; struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long pending; unsigned long flags; @@ -1416,7 +1425,7 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) for_each_set_bit(intr_line, &pending, community->nirqs) { unsigned int irq, offset; - offset = pctrl->intr_lines[intr_line]; + offset = cctx->intr_lines[intr_line]; irq = irq_find_mapping(gc->irq.domain, offset); generic_handle_irq(irq); } @@ -1674,6 +1683,12 @@ static int chv_pinctrl_probe(struct platform_device *pdev) return -ENOMEM; #endif + pctrl->context.communities = devm_kcalloc(dev, pctrl->soc->ncommunities, + sizeof(*pctrl->context.communities), + GFP_KERNEL); + if (!pctrl->context.communities) + return -ENOMEM; + irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; @@ -1722,12 +1737,13 @@ static int chv_pinctrl_remove(struct platform_device *pdev) static int chv_pinctrl_suspend_noirq(struct device *dev) { struct chv_pinctrl *pctrl = dev_get_drvdata(dev); + struct intel_community_context *cctx = &pctrl->context.communities[0]; unsigned long flags; int i; raw_spin_lock_irqsave(&chv_lock, flags); - pctrl->saved_intmask = chv_pctrl_readl(pctrl, CHV_INTMASK); + cctx->saved_intmask = chv_pctrl_readl(pctrl, CHV_INTMASK); for (i = 0; i < pctrl->soc->npins; i++) { const struct pinctrl_pin_desc *desc; @@ -1751,6 +1767,7 @@ static int chv_pinctrl_suspend_noirq(struct device *dev) static int chv_pinctrl_resume_noirq(struct device *dev) { struct chv_pinctrl *pctrl = dev_get_drvdata(dev); + struct intel_community_context *cctx = &pctrl->context.communities[0]; unsigned long flags; int i; @@ -1794,7 +1811,7 @@ static int chv_pinctrl_resume_noirq(struct device *dev) * the interrupt mask register as well. */ chv_pctrl_writel(pctrl, CHV_INTSTAT, 0xffff); - chv_pctrl_writel(pctrl, CHV_INTMASK, pctrl->saved_intmask); + chv_pctrl_writel(pctrl, CHV_INTMASK, cctx->saved_intmask); raw_spin_unlock_irqrestore(&chv_lock, flags); |