struct pinctrl_dev *pctldev;
struct gpio_chip chip;
void __iomem *regs;
- spinlock_t lock;
+ raw_spinlock_t lock;
unsigned intr_lines[16];
const struct chv_community *community;
u32 saved_intmask;
u32 ctrl0, ctrl1;
bool locked;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(chv_padreg(pctrl, offset, CHV_PADCTRL0));
ctrl1 = readl(chv_padreg(pctrl, offset, CHV_PADCTRL1));
locked = chv_pad_locked(pctrl, offset);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
if (ctrl0 & CHV_PADCTRL0_GPIOEN) {
seq_puts(s, "GPIO ");
grp = &pctrl->community->groups[group];
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
/* Check first that the pad is not locked */
for (i = 0; i < grp->npins; i++) {
if (chv_pad_locked(pctrl, grp->pins[i])) {
dev_warn(pctrl->dev, "unable to set mode for locked pin %u\n",
grp->pins[i]);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return -EBUSY;
}
}
pin, altfunc->mode, altfunc->invert_oe ? "" : "not ");
}
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return 0;
}
void __iomem *reg;
u32 value;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
if (chv_pad_locked(pctrl, offset)) {
value = readl(chv_padreg(pctrl, offset, CHV_PADCTRL0));
if (!(value & CHV_PADCTRL0_GPIOEN)) {
/* Locked so cannot enable */
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return -EBUSY;
}
} else {
chv_writel(value, reg);
}
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return 0;
}
void __iomem *reg;
u32 value;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
reg = chv_padreg(pctrl, offset, CHV_PADCTRL0);
value = readl(reg) & ~CHV_PADCTRL0_GPIOEN;
chv_writel(value, reg);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}
static int chv_gpio_set_direction(struct pinctrl_dev *pctldev,
unsigned long flags;
u32 ctrl0;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(reg) & ~CHV_PADCTRL0_GPIOCFG_MASK;
if (input)
ctrl0 |= CHV_PADCTRL0_GPIOCFG_GPO << CHV_PADCTRL0_GPIOCFG_SHIFT;
chv_writel(ctrl0, reg);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return 0;
}
u16 arg = 0;
u32 term;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
ctrl1 = readl(chv_padreg(pctrl, pin, CHV_PADCTRL1));
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
term = (ctrl0 & CHV_PADCTRL0_TERM_MASK) >> CHV_PADCTRL0_TERM_SHIFT;
unsigned long flags;
u32 ctrl0, pull;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(reg);
switch (param) {
pull = CHV_PADCTRL0_TERM_20K << CHV_PADCTRL0_TERM_SHIFT;
break;
default:
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return -EINVAL;
}
pull = CHV_PADCTRL0_TERM_20K << CHV_PADCTRL0_TERM_SHIFT;
break;
default:
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return -EINVAL;
}
break;
default:
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return -EINVAL;
}
chv_writel(ctrl0, reg);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return 0;
}
.owner = THIS_MODULE,
};
-static int chv_gpio_request(struct gpio_chip *chip, unsigned offset)
-{
- return pinctrl_request_gpio(chip->base + offset);
-}
-
-static void chv_gpio_free(struct gpio_chip *chip, unsigned offset)
-{
- pinctrl_free_gpio(chip->base + offset);
-}
-
static unsigned chv_gpio_offset_to_pin(struct chv_pinctrl *pctrl,
unsigned offset)
{
{
struct chv_pinctrl *pctrl = gpiochip_to_pinctrl(chip);
int pin = chv_gpio_offset_to_pin(pctrl, offset);
+ unsigned long flags;
u32 ctrl0, cfg;
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
cfg = ctrl0 & CHV_PADCTRL0_GPIOCFG_MASK;
cfg >>= CHV_PADCTRL0_GPIOCFG_SHIFT;
void __iomem *reg;
u32 ctrl0;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
reg = chv_padreg(pctrl, pin, CHV_PADCTRL0);
ctrl0 = readl(reg);
chv_writel(ctrl0, reg);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}
static int chv_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
struct chv_pinctrl *pctrl = gpiochip_to_pinctrl(chip);
unsigned pin = chv_gpio_offset_to_pin(pctrl, offset);
u32 ctrl0, direction;
+ unsigned long flags;
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
ctrl0 = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
direction = ctrl0 & CHV_PADCTRL0_GPIOCFG_MASK;
direction >>= CHV_PADCTRL0_GPIOCFG_SHIFT;
static const struct gpio_chip chv_gpio_chip = {
.owner = THIS_MODULE,
- .request = chv_gpio_request,
- .free = chv_gpio_free,
+ .request = gpiochip_generic_request,
+ .free = gpiochip_generic_free,
.get_direction = chv_gpio_get_direction,
.direction_input = chv_gpio_direction_input,
.direction_output = chv_gpio_direction_output,
int pin = chv_gpio_offset_to_pin(pctrl, irqd_to_hwirq(d));
u32 intr_line;
- spin_lock(&pctrl->lock);
+ raw_spin_lock(&pctrl->lock);
intr_line = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
intr_line &= CHV_PADCTRL0_INTSEL_MASK;
intr_line >>= CHV_PADCTRL0_INTSEL_SHIFT;
chv_writel(BIT(intr_line), pctrl->regs + CHV_INTSTAT);
- spin_unlock(&pctrl->lock);
+ raw_spin_unlock(&pctrl->lock);
}
static void chv_gpio_irq_mask_unmask(struct irq_data *d, bool mask)
u32 value, intr_line;
unsigned long flags;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
intr_line = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
intr_line &= CHV_PADCTRL0_INTSEL_MASK;
value |= BIT(intr_line);
chv_writel(value, pctrl->regs + CHV_INTMASK);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}
static void chv_gpio_irq_mask(struct irq_data *d)
unsigned long flags;
u32 intsel, value;
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
intsel = readl(chv_padreg(pctrl, pin, CHV_PADCTRL0));
intsel &= CHV_PADCTRL0_INTSEL_MASK;
intsel >>= CHV_PADCTRL0_INTSEL_SHIFT;
else
handler = handle_edge_irq;
- spin_lock_irqsave(&pctrl->lock, flags);
if (!pctrl->intr_lines[intsel]) {
- __irq_set_handler_locked(d->irq, handler);
+ irq_set_handler_locked(d, handler);
pctrl->intr_lines[intsel] = offset;
}
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
}
chv_gpio_irq_unmask(d);
unsigned long flags;
u32 value;
- spin_lock_irqsave(&pctrl->lock, flags);
+ raw_spin_lock_irqsave(&pctrl->lock, flags);
/*
* Pins which can be used as shared interrupt are configured in
pctrl->intr_lines[value] = offset;
if (type & IRQ_TYPE_EDGE_BOTH)
- __irq_set_handler_locked(d->irq, handle_edge_irq);
+ irq_set_handler_locked(d, handle_edge_irq);
else if (type & IRQ_TYPE_LEVEL_MASK)
- __irq_set_handler_locked(d->irq, handle_level_irq);
+ irq_set_handler_locked(d, handle_level_irq);
- spin_unlock_irqrestore(&pctrl->lock, flags);
+ raw_spin_unlock_irqrestore(&pctrl->lock, flags);
return 0;
}
.flags = IRQCHIP_SKIP_SET_WAKE,
};
-static void chv_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+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_to_pinctrl(gc);
- struct irq_chip *chip = irq_get_chip(irq);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long pending;
u32 intr_line;
if (i == ARRAY_SIZE(chv_communities))
return -ENODEV;
- spin_lock_init(&pctrl->lock);
+ raw_spin_lock_init(&pctrl->lock);
pctrl->dev = &pdev->dev;
#ifdef CONFIG_PM_SLEEP
pctrl->pctldesc.npins = pctrl->community->npins;
pctrl->pctldev = pinctrl_register(&pctrl->pctldesc, &pdev->dev, pctrl);
- if (!pctrl->pctldev) {
+ if (IS_ERR(pctrl->pctldev)) {
dev_err(&pdev->dev, "failed to register pinctrl driver\n");
- return -ENODEV;
+ return PTR_ERR(pctrl->pctldev);
}
ret = chv_gpio_probe(pctrl, irq);
Code Review / kvmfornfv.git / blobdiff