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irqchip: Bulk conversion to generic_handle_domain_irq()

Browse Source 
Wherever possible, replace constructs that match either
generic_handle_irq(irq_find_mapping()) or
generic_handle_irq(irq_linear_revmap()) to a single call to
generic_handle_domain_irq().

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2021-05-04 17:42:18 +01:00
parent e1c054918c
commit 046a6ee234
47 changed files with 111 additions and 190 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/irqchip/exynos-combiner.c
View File

@ -66,8 +66,9 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc)
{
struct combiner_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int cascade_irq, combiner_irq;
unsigned int combiner_irq;
unsigned long status;
int ret;
chained_irq_enter(chip, desc);
@ -80,12 +81,9 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc)
goto out;
combiner_irq = chip_data->hwirq_offset + __ffs(status);
cascade_irq = irq_find_mapping(combiner_irq_domain, combiner_irq);
if (unlikely(!cascade_irq))
ret = generic_handle_domain_irq(combiner_irq_domain, combiner_irq);
if (unlikely(ret))
handle_bad_irq(desc);
else
generic_handle_irq(cascade_irq);
out:
chained_irq_exit(chip, desc);

7
drivers/irqchip/irq-al-fic.c
View File

@ -111,7 +111,6 @@ static void al_fic_irq_handler(struct irq_desc *desc)
struct irq_chip *irqchip = irq_desc_get_chip(desc);
struct irq_chip_generic *gc = irq_get_domain_generic_chip(domain, 0);
unsigned long pending;
unsigned int irq;
u32 hwirq;
chained_irq_enter(irqchip, desc);
@ -119,10 +118,8 @@ static void al_fic_irq_handler(struct irq_desc *desc)
pending = readl_relaxed(fic->base + AL_FIC_CAUSE);
pending &= ~gc->mask_cache;
for_each_set_bit(hwirq, &pending, NR_FIC_IRQS) {
irq = irq_find_mapping(domain, hwirq);
generic_handle_irq(irq);
}
for_each_set_bit(hwirq, &pending, NR_FIC_IRQS)
generic_handle_domain_irq(domain, hwirq);
chained_irq_exit(irqchip, desc);
}

19
drivers/irqchip/irq-armada-370-xp.c
View File

@ -582,20 +582,19 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained)
for (msinr = PCI_MSI_DOORBELL_START;
msinr < PCI_MSI_DOORBELL_END; msinr++) {
int irq;
unsigned int irq;
if (!(msimask & BIT(msinr)))
continue;
if (is_chained) {
irq = irq_find_mapping(armada_370_xp_msi_inner_domain,
msinr - PCI_MSI_DOORBELL_START);
generic_handle_irq(irq);
} else {
irq = msinr - PCI_MSI_DOORBELL_START;
irq = msinr - PCI_MSI_DOORBELL_START;
if (is_chained)
generic_handle_domain_irq(armada_370_xp_msi_inner_domain,
irq);
else
handle_domain_irq(armada_370_xp_msi_inner_domain,
irq, regs);
}
}
}
#else
@ -606,7 +605,6 @@ static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long irqmap, irqn, irqsrc, cpuid;
unsigned int cascade_irq;
chained_irq_enter(chip, desc);
@ -628,8 +626,7 @@ static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc)
continue;
}
cascade_irq = irq_find_mapping(armada_370_xp_mpic_domain, irqn);
generic_handle_irq(cascade_irq);
generic_handle_domain_irq(armada_370_xp_mpic_domain, irqn);
}
chained_irq_exit(chip, desc);

8
drivers/irqchip/irq-aspeed-i2c-ic.c
View File

@ -34,14 +34,12 @@ static void aspeed_i2c_ic_irq_handler(struct irq_desc *desc)
struct aspeed_i2c_ic *i2c_ic = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long bit, status;
unsigned int bus_irq;
chained_irq_enter(chip, desc);
status = readl(i2c_ic->base);
for_each_set_bit(bit, &status, ASPEED_I2C_IC_NUM_BUS) {
bus_irq = irq_find_mapping(i2c_ic->irq_domain, bit);
generic_handle_irq(bus_irq);
}
for_each_set_bit(bit, &status, ASPEED_I2C_IC_NUM_BUS)
generic_handle_domain_irq(i2c_ic->irq_domain, bit);
chained_irq_exit(chip, desc);
}

6
drivers/irqchip/irq-aspeed-scu-ic.c
View File

@ -44,7 +44,6 @@ struct aspeed_scu_ic {
static void aspeed_scu_ic_irq_handler(struct irq_desc *desc)
{
unsigned int irq;
unsigned int sts;
unsigned long bit;
unsigned long enabled;
@ -74,9 +73,8 @@ static void aspeed_scu_ic_irq_handler(struct irq_desc *desc)
max = scu_ic->num_irqs + bit;
for_each_set_bit_from(bit, &status, max) {
irq = irq_find_mapping(scu_ic->irq_domain,
bit - scu_ic->irq_shift);
generic_handle_irq(irq);
generic_handle_domain_irq(scu_ic->irq_domain,
bit - scu_ic->irq_shift);
regmap_update_bits(scu_ic->scu, scu_ic->reg, mask,
BIT(bit + ASPEED_SCU_IC_STATUS_SHIFT));

2
drivers/irqchip/irq-ath79-misc.c
View File

@ -50,7 +50,7 @@ static void ath79_misc_irq_handler(struct irq_desc *desc)
while (pending) {
int bit = __ffs(pending);
generic_handle_irq(irq_linear_revmap(domain, bit));
generic_handle_domain_irq(domain, bit);
pending &= ~BIT(bit);
}

2
drivers/irqchip/irq-bcm2835.c
View File

@ -254,7 +254,7 @@ static void bcm2836_chained_handle_irq(struct irq_desc *desc)
u32 hwirq;
while ((hwirq = get_next_armctrl_hwirq()) != ~0)
generic_handle_irq(irq_linear_revmap(intc.domain, hwirq));
generic_handle_domain_irq(intc.domain, hwirq);
}
IRQCHIP_DECLARE(bcm2835_armctrl_ic, "brcm,bcm2835-armctrl-ic",

2
drivers/irqchip/irq-bcm2836.c
View File

@ -161,7 +161,7 @@ static void bcm2836_arm_irqchip_handle_ipi(struct irq_desc *desc)
mbox_val = readl_relaxed(intc.base + LOCAL_MAILBOX0_CLR0 + 16 * cpu);
if (mbox_val) {
int hwirq = ffs(mbox_val) - 1;
generic_handle_irq(irq_find_mapping(ipi_domain, hwirq));
generic_handle_domain_irq(ipi_domain, hwirq);
}
chained_irq_exit(chip, desc);

6
drivers/irqchip/irq-bcm7038-l1.c
View File

@ -145,10 +145,8 @@ static void bcm7038_l1_irq_handle(struct irq_desc *desc)
~cpu->mask_cache[idx];
raw_spin_unlock_irqrestore(&intc->lock, flags);
for_each_set_bit(hwirq, &pending, IRQS_PER_WORD) {
generic_handle_irq(irq_find_mapping(intc->domain,
base + hwirq));
}
for_each_set_bit(hwirq, &pending, IRQS_PER_WORD)
generic_handle_domain_irq(intc->domain, base + hwirq);
}
chained_irq_exit(chip, desc);

6
drivers/irqchip/irq-bcm7120-l2.c
View File

@ -74,10 +74,8 @@ static void bcm7120_l2_intc_irq_handle(struct irq_desc *desc)
data->irq_map_mask[idx];
irq_gc_unlock(gc);
for_each_set_bit(hwirq, &pending, IRQS_PER_WORD) {
generic_handle_irq(irq_find_mapping(b->domain,
base + hwirq));
}
for_each_set_bit(hwirq, &pending, IRQS_PER_WORD)
generic_handle_domain_irq(b->domain, base + hwirq);
}
chained_irq_exit(chip, desc);

2
drivers/irqchip/irq-brcmstb-l2.c
View File

@ -110,7 +110,7 @@ static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc)
do {
irq = ffs(status) - 1;
status &= ~(1 << irq);
generic_handle_irq(irq_linear_revmap(b->domain, irq));
generic_handle_domain_irq(b->domain, irq);
} while (status);
out:
chained_irq_exit(chip, desc);

3
drivers/irqchip/irq-dw-apb-ictl.c
View File

@ -62,9 +62,8 @@ static void dw_apb_ictl_handle_irq_cascaded(struct irq_desc *desc)
while (stat) {
u32 hwirq = ffs(stat) - 1;
u32 virq = irq_find_mapping(d, gc->irq_base + hwirq);
generic_handle_domain_irq(d, gc->irq_base + hwirq);
generic_handle_irq(virq);
stat &= ~BIT(hwirq);
}
}

13
drivers/irqchip/irq-gic.c
View File

@ -375,8 +375,9 @@ static void gic_handle_cascade_irq(struct irq_desc *desc)
{
struct gic_chip_data *chip_data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int cascade_irq, gic_irq;
unsigned int gic_irq;
unsigned long status;
int ret;
chained_irq_enter(chip, desc);
@ -386,14 +387,10 @@ static void gic_handle_cascade_irq(struct irq_desc *desc)
if (gic_irq == GICC_INT_SPURIOUS)
goto out;
cascade_irq = irq_find_mapping(chip_data->domain, gic_irq);
if (unlikely(gic_irq < 32 || gic_irq > 1020)) {
isb();
ret = generic_handle_domain_irq(chip_data->domain, gic_irq);
if (unlikely(ret))
handle_bad_irq(desc);
} else {
isb();
generic_handle_irq(cascade_irq);
}
out:
chained_irq_exit(chip, desc);
}

5
drivers/irqchip/irq-goldfish-pic.c
View File

@ -34,15 +34,14 @@ static void goldfish_pic_cascade(struct irq_desc *desc)
{
struct goldfish_pic_data *gfpic = irq_desc_get_handler_data(desc);
struct irq_chip *host_chip = irq_desc_get_chip(desc);
u32 pending, hwirq, virq;
u32 pending, hwirq;
chained_irq_enter(host_chip, desc);
pending = readl(gfpic->base + GFPIC_REG_IRQ_PENDING);
while (pending) {
hwirq = __fls(pending);
virq = irq_linear_revmap(gfpic->irq_domain, hwirq);
generic_handle_irq(virq);
generic_handle_domain_irq(gfpic->irq_domain, hwirq);
pending &= ~(1 << hwirq);
}

4
drivers/irqchip/irq-i8259.c
View File

@ -333,13 +333,11 @@ static void i8259_irq_dispatch(struct irq_desc *desc)
{
struct irq_domain *domain = irq_desc_get_handler_data(desc);
int hwirq = i8259_poll();
unsigned int irq;
if (hwirq < 0)
return;
irq = irq_linear_revmap(domain, hwirq);
generic_handle_irq(irq);
generic_handle_domain_irq(domain, hwirq);
}
int __init i8259_of_init(struct device_node *node, struct device_node *parent)

6
drivers/irqchip/irq-idt3243x.c
View File

@ -28,7 +28,7 @@ static void idt_irq_dispatch(struct irq_desc *desc)
{
struct idt_pic_data *idtpic = irq_desc_get_handler_data(desc);
struct irq_chip *host_chip = irq_desc_get_chip(desc);
u32 pending, hwirq, virq;
u32 pending, hwirq;
chained_irq_enter(host_chip, desc);
@ -36,9 +36,7 @@ static void idt_irq_dispatch(struct irq_desc *desc)
pending &= ~idtpic->gc->mask_cache;
while (pending) {
hwirq = __fls(pending);
virq = irq_linear_revmap(idtpic->irq_domain, hwirq);
if (virq)
generic_handle_irq(virq);
generic_handle_domain_irq(idtpic->irq_domain, hwirq);
pending &= ~(1 << hwirq);
}

11
drivers/irqchip/irq-imgpdc.c
View File

@ -223,7 +223,7 @@ static void pdc_intc_perip_isr(struct irq_desc *desc)
{
unsigned int irq = irq_desc_get_irq(desc);
struct pdc_intc_priv *priv;
unsigned int i, irq_no;
unsigned int i;
priv = (struct pdc_intc_priv *)irq_desc_get_handler_data(desc);
@ -237,14 +237,13 @@ static void pdc_intc_perip_isr(struct irq_desc *desc)
found:
/* pass on the interrupt */
irq_no = irq_linear_revmap(priv->domain, i);
generic_handle_irq(irq_no);
generic_handle_domain_irq(priv->domain, i);
}
static void pdc_intc_syswake_isr(struct irq_desc *desc)
{
struct pdc_intc_priv *priv;
unsigned int syswake, irq_no;
unsigned int syswake;
unsigned int status;
priv = (struct pdc_intc_priv *)irq_desc_get_handler_data(desc);
@ -258,9 +257,7 @@ static void pdc_intc_syswake_isr(struct irq_desc *desc)
if (!(status & 1))
continue;
irq_no = irq_linear_revmap(priv->domain,
syswake_to_hwirq(syswake));
generic_handle_irq(irq_no);
generic_handle_domain_irq(priv->domain, syswake_to_hwirq(syswake));
}
}

9
drivers/irqchip/irq-imx-intmux.c
View File

@ -182,18 +182,15 @@ static void imx_intmux_irq_handler(struct irq_desc *desc)
struct intmux_data *data = container_of(irqchip_data, struct intmux_data,
irqchip_data[idx]);
unsigned long irqstat;
int pos, virq;
int pos;
chained_irq_enter(irq_desc_get_chip(desc), desc);
/* read the interrupt source pending status of this channel */
irqstat = readl_relaxed(data->regs + CHANIPR(idx));
for_each_set_bit(pos, &irqstat, 32) {
virq = irq_find_mapping(irqchip_data->domain, pos);
if (virq)
generic_handle_irq(virq);
}
for_each_set_bit(pos, &irqstat, 32)
generic_handle_domain_irq(irqchip_data->domain, pos);
chained_irq_exit(irq_desc_get_chip(desc), desc);
}

9
drivers/irqchip/irq-imx-irqsteer.c
View File

@ -122,7 +122,7 @@ static void imx_irqsteer_irq_handler(struct irq_desc *desc)
for (i = 0; i < 2; i++, hwirq += 32) {
int idx = imx_irqsteer_get_reg_index(data, hwirq);
unsigned long irqmap;
int pos, virq;
int pos;
if (hwirq >= data->reg_num * 32)
break;
@ -130,11 +130,8 @@ static void imx_irqsteer_irq_handler(struct irq_desc *desc)
irqmap = readl_relaxed(data->regs +
CHANSTATUS(idx, data->reg_num));
for_each_set_bit(pos, &irqmap, 32) {
virq = irq_find_mapping(data->domain, pos + hwirq);
if (virq)
generic_handle_irq(virq);
}
for_each_set_bit(pos, &irqmap, 32)
generic_handle_domain_irq(data->domain, pos + hwirq);
}
chained_irq_exit(irq_desc_get_chip(desc), desc);

2
drivers/irqchip/irq-ingenic-tcu.c
View File

@ -38,7 +38,7 @@ static void ingenic_tcu_intc_cascade(struct irq_desc *desc)
irq_reg &= ~irq_mask;
for_each_set_bit(i, (unsigned long *)&irq_reg, 32)
generic_handle_irq(irq_linear_revmap(domain, i));
generic_handle_domain_irq(domain, i);
chained_irq_exit(irq_chip, desc);
}

3
drivers/irqchip/irq-ingenic.c
View File

@ -49,8 +49,7 @@ static irqreturn_t intc_cascade(int irq, void *data)
while (pending) {
int bit = __fls(pending);
irq = irq_linear_revmap(domain, bit + (i * 32));
generic_handle_irq(irq);
generic_handle_domain_irq(domain, bit + (i * 32));
pending &= ~BIT(bit);
}
}

14
drivers/irqchip/irq-keystone.c
View File

@ -89,7 +89,7 @@ static irqreturn_t keystone_irq_handler(int irq, void *keystone_irq)
struct keystone_irq_device *kirq = keystone_irq;
unsigned long wa_lock_flags;
unsigned long pending;
int src, virq;
int src, err;
dev_dbg(kirq->dev, "start irq %d\n", irq);
@ -104,16 +104,14 @@ static irqreturn_t keystone_irq_handler(int irq, void *keystone_irq)
for (src = 0; src < KEYSTONE_N_IRQ; src++) {
if (BIT(src) & pending) {
virq = irq_find_mapping(kirq->irqd, src);
dev_dbg(kirq->dev, "dispatch bit %d, virq %d\n",
src, virq);
if (!virq)
dev_warn(kirq->dev, "spurious irq detected hwirq %d, virq %d\n",
src, virq);
raw_spin_lock_irqsave(&kirq->wa_lock, wa_lock_flags);
generic_handle_irq(virq);
err = generic_handle_domain_irq(kirq->irqd, src);
raw_spin_unlock_irqrestore(&kirq->wa_lock,
wa_lock_flags);
if (err)
dev_warn_ratelimited(kirq->dev, "spurious irq detected hwirq %d\n",
src);
}
}

2
drivers/irqchip/irq-loongson-htpic.c
View File

@ -48,7 +48,7 @@ static void htpic_irq_dispatch(struct irq_desc *desc)
break;
}
generic_handle_irq(irq_linear_revmap(priv->domain, bit));
generic_handle_domain_irq(priv->domain, bit);
pending &= ~BIT(bit);
}
chained_irq_exit(chip, desc);

4
drivers/irqchip/irq-loongson-htvec.c
View File

@ -47,8 +47,8 @@ static void htvec_irq_dispatch(struct irq_desc *desc)
while (pending) {
int bit = __ffs(pending);
generic_handle_irq(irq_linear_revmap(priv->htvec_domain, bit +
VEC_COUNT_PER_REG * i));
generic_handle_domain_irq(priv->htvec_domain,
bit + VEC_COUNT_PER_REG * i);
pending &= ~BIT(bit);
handled = true;
}

2
drivers/irqchip/irq-loongson-liointc.c
View File

@ -73,7 +73,7 @@ static void liointc_chained_handle_irq(struct irq_desc *desc)
while (pending) {
int bit = __ffs(pending);
generic_handle_irq(irq_find_mapping(gc->domain, bit));
generic_handle_domain_irq(gc->domain, bit);
pending &= ~BIT(bit);
}

2
drivers/irqchip/irq-lpc32xx.c
View File

@ -141,7 +141,7 @@ static void lpc32xx_sic_handler(struct irq_desc *desc)
while (hwirq) {
irq = __ffs(hwirq);
hwirq &= ~BIT(irq);
generic_handle_irq(irq_find_mapping(ic->domain, irq));
generic_handle_domain_irq(ic->domain, irq);
}
chained_irq_exit(chip, desc);

6
drivers/irqchip/irq-ls-scfg-msi.c
View File

@ -194,7 +194,7 @@ static void ls_scfg_msi_irq_handler(struct irq_desc *desc)
struct ls_scfg_msir *msir = irq_desc_get_handler_data(desc);
struct ls_scfg_msi *msi_data = msir->msi_data;
unsigned long val;
int pos, size, virq, hwirq;
int pos, size, hwirq;
chained_irq_enter(irq_desc_get_chip(desc), desc);
@ -206,9 +206,7 @@ static void ls_scfg_msi_irq_handler(struct irq_desc *desc)
for_each_set_bit_from(pos, &val, size) {
hwirq = ((msir->bit_end - pos) << msi_data->cfg->ibs_shift) |
msir->srs;
virq = irq_find_mapping(msi_data->parent, hwirq);
if (virq)
generic_handle_irq(virq);
generic_handle_domain_irq(msi_data->parent, hwirq);
}
chained_irq_exit(irq_desc_get_chip(desc), desc);

2
drivers/irqchip/irq-ls1x.c
View File

@ -50,7 +50,7 @@ static void ls1x_chained_handle_irq(struct irq_desc *desc)
while (pending) {
int bit = __ffs(pending);
generic_handle_irq(irq_find_mapping(priv->domain, bit));
generic_handle_domain_irq(priv->domain, bit);
pending &= ~BIT(bit);
}

20
drivers/irqchip/irq-mips-gic.c
View File

@ -148,7 +148,7 @@ int gic_get_c0_fdc_int(void)
static void gic_handle_shared_int(bool chained)
{
unsigned int intr, virq;
unsigned int intr;
unsigned long *pcpu_mask;
DECLARE_BITMAP(pending, GIC_MAX_INTRS);
@ -165,12 +165,12 @@ static void gic_handle_shared_int(bool chained)
bitmap_and(pending, pending, pcpu_mask, gic_shared_intrs);
for_each_set_bit(intr, pending, gic_shared_intrs) {
virq = irq_linear_revmap(gic_irq_domain,
GIC_SHARED_TO_HWIRQ(intr));
if (chained)
generic_handle_irq(virq);
generic_handle_domain_irq(gic_irq_domain,
GIC_SHARED_TO_HWIRQ(intr));
else
do_IRQ(virq);
do_IRQ(irq_find_mapping(gic_irq_domain,
GIC_SHARED_TO_HWIRQ(intr)));
}
}
@ -308,7 +308,7 @@ static struct irq_chip gic_edge_irq_controller = {
static void gic_handle_local_int(bool chained)
{
unsigned long pending, masked;
unsigned int intr, virq;
unsigned int intr;
pending = read_gic_vl_pend();
masked = read_gic_vl_mask();
@ -316,12 +316,12 @@ static void gic_handle_local_int(bool chained)
bitmap_and(&pending, &pending, &masked, GIC_NUM_LOCAL_INTRS);
for_each_set_bit(intr, &pending, GIC_NUM_LOCAL_INTRS) {
virq = irq_linear_revmap(gic_irq_domain,
GIC_LOCAL_TO_HWIRQ(intr));
if (chained)
generic_handle_irq(virq);
generic_handle_domain_irq(gic_irq_domain,
GIC_LOCAL_TO_HWIRQ(intr));
else
do_IRQ(virq);
do_IRQ(irq_find_mapping(gic_irq_domain,
GIC_LOCAL_TO_HWIRQ(intr)));
}
}

2
drivers/irqchip/irq-mscc-ocelot.c
View File

@ -107,7 +107,7 @@ static void ocelot_irq_handler(struct irq_desc *desc)
while (reg) {
u32 hwirq = __fls(reg);
generic_handle_irq(irq_find_mapping(d, hwirq));
generic_handle_domain_irq(d, hwirq);
reg &= ~(BIT(hwirq));
}

7
drivers/irqchip/irq-mvebu-pic.c
View File

@ -91,15 +91,12 @@ static void mvebu_pic_handle_cascade_irq(struct irq_desc *desc)
struct mvebu_pic *pic = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long irqmap, irqn;
unsigned int cascade_irq;
irqmap = readl_relaxed(pic->base + PIC_CAUSE);
chained_irq_enter(chip, desc);
for_each_set_bit(irqn, &irqmap, BITS_PER_LONG) {
cascade_irq = irq_find_mapping(pic->domain, irqn);
generic_handle_irq(cascade_irq);
}
for_each_set_bit(irqn, &irqmap, BITS_PER_LONG)
generic_handle_domain_irq(pic->domain, irqn);
chained_irq_exit(chip, desc);
}

13
drivers/irqchip/irq-mvebu-sei.c
View File

@ -337,17 +337,12 @@ static void mvebu_sei_handle_cascade_irq(struct irq_desc *desc)
irqmap = readl_relaxed(sei->base + GICP_SECR(idx));
for_each_set_bit(bit, &irqmap, SEI_IRQ_COUNT_PER_REG) {
unsigned long hwirq;
unsigned int virq;
int err;
hwirq = idx * SEI_IRQ_COUNT_PER_REG + bit;
virq = irq_find_mapping(sei->sei_domain, hwirq);
if (likely(virq)) {
generic_handle_irq(virq);
continue;
}
dev_warn(sei->dev,
"Spurious IRQ detected (hwirq %lu)\n", hwirq);
err = generic_handle_domain_irq(sei->sei_domain, hwirq);
if (unlikely(err))
dev_warn(sei->dev, "Spurious IRQ detected (hwirq %lu)\n", hwirq);
}
}

2
drivers/irqchip/irq-orion.c
View File

@ -117,7 +117,7 @@ static void orion_bridge_irq_handler(struct irq_desc *desc)
while (stat) {
u32 hwirq = __fls(stat);
generic_handle_irq(irq_find_mapping(d, gc->irq_base + hwirq));
generic_handle_domain_irq(d, gc->irq_base + hwirq);
stat &= ~(1 << hwirq);
}
}

9
drivers/irqchip/irq-partition-percpu.c
View File

@ -124,13 +124,10 @@ static void partition_handle_irq(struct irq_desc *desc)
break;
}
if (unlikely(hwirq == part->nr_parts)) {
if (unlikely(hwirq == part->nr_parts))
handle_bad_irq(desc);
} else {
unsigned int irq;
irq = irq_find_mapping(part->domain, hwirq);
generic_handle_irq(irq);
}
else
generic_handle_domain_irq(part->domain, hwirq);
chained_irq_exit(chip, desc);
}

9
drivers/irqchip/irq-pruss-intc.c
View File

@ -488,8 +488,7 @@ static void pruss_intc_irq_handler(struct irq_desc *desc)
while (true) {
u32 hipir;
unsigned int virq;
int hwirq;
int hwirq, err;
/* get highest priority pending PRUSS system event */
hipir = pruss_intc_read_reg(intc, PRU_INTC_HIPIR(host_irq));
@ -497,16 +496,14 @@ static void pruss_intc_irq_handler(struct irq_desc *desc)
break;
hwirq = hipir & GENMASK(9, 0);
virq = irq_find_mapping(intc->domain, hwirq);
err = generic_handle_domain_irq(intc->domain, hwirq);
/*
* NOTE: manually ACK any system events that do not have a
* handler mapped yet
*/
if (WARN_ON_ONCE(!virq))
if (WARN_ON_ONCE(err))
pruss_intc_write_reg(intc, PRU_INTC_SICR, hwirq);
else
generic_handle_irq(virq);
}
chained_irq_exit(chip, desc);

2
drivers/irqchip/irq-realtek-rtl.c
View File

@ -85,7 +85,7 @@ static void realtek_irq_dispatch(struct irq_desc *desc)
goto out;
}
domain = irq_desc_get_handler_data(desc);
generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
generic_handle_domain_irq(domain, __ffs(pending));
out:
chained_irq_exit(chip, desc);

2
drivers/irqchip/irq-renesas-irqc.c
View File

@ -115,7 +115,7 @@ static irqreturn_t irqc_irq_handler(int irq, void *dev_id)
if (ioread32(p->iomem + DETECT_STATUS) & bit) {
iowrite32(bit, p->iomem + DETECT_STATUS);
irqc_dbg(i, "demux2");
generic_handle_irq(irq_find_mapping(p->irq_domain, i->hw_irq));
generic_handle_domain_irq(p->irq_domain, i->hw_irq);
return IRQ_HANDLED;
}
return IRQ_NONE;

8
drivers/irqchip/irq-sifive-plic.c
View File

@ -233,13 +233,11 @@ static void plic_handle_irq(struct irq_desc *desc)
chained_irq_enter(chip, desc);
while ((hwirq = readl(claim))) {
int irq = irq_find_mapping(handler->priv->irqdomain, hwirq);
if (unlikely(irq <= 0))
int err = generic_handle_domain_irq(handler->priv->irqdomain,
hwirq);
if (unlikely(err))
pr_warn_ratelimited("can't find mapping for hwirq %lu\n",
hwirq);
else
generic_handle_irq(irq);
}
chained_irq_exit(chip, desc);

10
drivers/irqchip/irq-stm32-exti.c
View File

@ -257,7 +257,7 @@ static void stm32_irq_handler(struct irq_desc *desc)
{
struct irq_domain *domain = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int virq, nbanks = domain->gc->num_chips;
unsigned int nbanks = domain->gc->num_chips;
struct irq_chip_generic *gc;
unsigned long pending;
int n, i, irq_base = 0;
@ -268,11 +268,9 @@ static void stm32_irq_handler(struct irq_desc *desc)
gc = irq_get_domain_generic_chip(domain, irq_base);
while ((pending = stm32_exti_pending(gc))) {
for_each_set_bit(n, &pending, IRQS_PER_BANK) {
virq = irq_find_mapping(domain, irq_base + n);
generic_handle_irq(virq);
}
}
for_each_set_bit(n, &pending, IRQS_PER_BANK)
generic_handle_domain_irq(domain, irq_base + n);
}
}
chained_irq_exit(chip, desc);

3
drivers/irqchip/irq-sunxi-nmi.c
View File

@ -88,10 +88,9 @@ static void sunxi_sc_nmi_handle_irq(struct irq_desc *desc)
{
struct irq_domain *domain = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned int virq = irq_find_mapping(domain, 0);
chained_irq_enter(chip, desc);
generic_handle_irq(virq);
generic_handle_domain_irq(domain, 0);
chained_irq_exit(chip, desc);
}

2
drivers/irqchip/irq-tb10x.c
View File

@ -91,7 +91,7 @@ static void tb10x_irq_cascade(struct irq_desc *desc)
struct irq_domain *domain = irq_desc_get_handler_data(desc);
unsigned int irq = irq_desc_get_irq(desc);
generic_handle_irq(irq_find_mapping(domain, irq));
generic_handle_domain_irq(domain, irq);
}
static int __init of_tb10x_init_irq(struct device_node *ictl,

9
drivers/irqchip/irq-ti-sci-inta.c
View File

@ -147,7 +147,7 @@ static void ti_sci_inta_irq_handler(struct irq_desc *desc)
struct ti_sci_inta_vint_desc *vint_desc;
struct ti_sci_inta_irq_domain *inta;
struct irq_domain *domain;
unsigned int virq, bit;
unsigned int bit;
unsigned long val;
vint_desc = irq_desc_get_handler_data(desc);
@ -159,11 +159,8 @@ static void ti_sci_inta_irq_handler(struct irq_desc *desc)
val = readq_relaxed(inta->base + vint_desc->vint_id * 0x1000 +
VINT_STATUS_MASKED_OFFSET);
for_each_set_bit(bit, &val, MAX_EVENTS_PER_VINT) {
virq = irq_find_mapping(domain, vint_desc->events[bit].hwirq);
if (virq)
generic_handle_irq(virq);
}
for_each_set_bit(bit, &val, MAX_EVENTS_PER_VINT)
generic_handle_domain_irq(domain, vint_desc->events[bit].hwirq);
chained_irq_exit(irq_desc_get_chip(desc), desc);
}

3
drivers/irqchip/irq-ts4800.c
View File

@ -79,10 +79,9 @@ static void ts4800_ic_chained_handle_irq(struct irq_desc *desc)
do {
unsigned int bit = __ffs(status);
int irq = irq_find_mapping(data->domain, bit);
generic_handle_domain_irq(data->domain, bit);
status &= ~(1 << bit);
generic_handle_irq(irq);
} while (status);
out:

2
drivers/irqchip/irq-versatile-fpga.c
View File

@ -85,7 +85,7 @@ static void fpga_irq_handle(struct irq_desc *desc)
unsigned int irq = ffs(status) - 1;
status &= ~(1 << irq);
generic_handle_irq(irq_find_mapping(f->domain, irq));
generic_handle_domain_irq(f->domain, irq);
} while (status);
out:

2
drivers/irqchip/irq-vic.c
View File

@ -225,7 +225,7 @@ static void vic_handle_irq_cascaded(struct irq_desc *desc)
while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) {
hwirq = ffs(stat) - 1;
generic_handle_irq(irq_find_mapping(vic->domain, hwirq));
generic_handle_domain_irq(vic->domain, hwirq);
}
chained_irq_exit(host_chip, desc);

23
drivers/irqchip/irq-xilinx-intc.c
View File

@ -110,20 +110,6 @@ static struct irq_chip intc_dev = {
.irq_mask_ack = intc_mask_ack,
};
static unsigned int xintc_get_irq_local(struct xintc_irq_chip *irqc)
{
unsigned int irq = 0;
u32 hwirq;
hwirq = xintc_read(irqc, IVR);
if (hwirq != -1U)
irq = irq_find_mapping(irqc->root_domain, hwirq);
pr_debug("irq-xilinx: hwirq=%d, irq=%d\n", hwirq, irq);
return irq;
}
unsigned int xintc_get_irq(void)
{
unsigned int irq = -1;
@ -164,15 +150,16 @@ static void xil_intc_irq_handler(struct irq_desc *desc)
{
struct irq_chip *chip = irq_desc_get_chip(desc);
struct xintc_irq_chip *irqc;
u32 pending;
irqc = irq_data_get_irq_handler_data(&desc->irq_data);
chained_irq_enter(chip, desc);
do {
pending = xintc_get_irq_local(irqc);
if (pending == 0)
u32 hwirq = xintc_read(irqc, IVR);
if (hwirq == -1U)
break;
generic_handle_irq(pending);
generic_handle_domain_irq(irqc->root_domain, hwirq);
} while (true);
chained_irq_exit(chip, desc);
}

6
drivers/irqchip/qcom-irq-combiner.c
View File

@ -53,7 +53,6 @@ static void combiner_handle_irq(struct irq_desc *desc)
chained_irq_enter(chip, desc);
for (reg = 0; reg < combiner->nregs; reg++) {
int virq;
int hwirq;
u32 bit;
u32 status;
@ -70,10 +69,7 @@ static void combiner_handle_irq(struct irq_desc *desc)
bit = __ffs(status);
status &= ~(1 << bit);
hwirq = irq_nr(reg, bit);
virq = irq_find_mapping(combiner->domain, hwirq);
if (virq > 0)
generic_handle_irq(virq);
generic_handle_domain_irq(combiner->domain, hwirq);
}
}