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mips: Bulk conversion to generic_handle_domain_irq() 

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().

Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2021-05-04 17:42:18 +01:00
parent c9604ddd8a
commit 0661cb2af0
8 changed files with 29 additions and 39 deletions
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14
arch/mips/ath25/ar2315.c
View File

@ -69,24 +69,24 @@ static void ar2315_misc_irq_handler(struct irq_desc *desc)
{
u32 pending = ar2315_rst_reg_read(AR2315_ISR) &
ar2315_rst_reg_read(AR2315_IMR);
unsigned nr, misc_irq = 0;
unsigned nr;
int ret = 0;
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
nr = __ffs(pending);
misc_irq = irq_find_mapping(domain, nr);
}
if (misc_irq) {
if (nr == AR2315_MISC_IRQ_GPIO)
ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO);
else if (nr == AR2315_MISC_IRQ_WATCHDOG)
ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD);
generic_handle_irq(misc_irq);
} else {
spurious_interrupt();
ret = generic_handle_domain_irq(domain, nr);
}
if (!pending || ret)
spurious_interrupt();
}
static void ar2315_misc_irq_unmask(struct irq_data *d)

13
arch/mips/ath25/ar5312.c
View File

@ -73,22 +73,21 @@ static void ar5312_misc_irq_handler(struct irq_desc *desc)
{
u32 pending = ar5312_rst_reg_read(AR5312_ISR) &
ar5312_rst_reg_read(AR5312_IMR);
unsigned nr, misc_irq = 0;
unsigned nr;
int ret = 0;
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
nr = __ffs(pending);
misc_irq = irq_find_mapping(domain, nr);
}
if (misc_irq) {
generic_handle_irq(misc_irq);
ret = generic_handle_domain_irq(domain, nr);
if (nr == AR5312_MISC_IRQ_TIMER)
ar5312_rst_reg_read(AR5312_TIMER);
} else {
spurious_interrupt();
}
if (!pending || ret)
spurious_interrupt();
}
/* Enable the specified AR5312_MISC_IRQ interrupt */

2
arch/mips/lantiq/irq.c
View File

@ -300,7 +300,7 @@ static void ltq_hw_irq_handler(struct irq_desc *desc)
*/
irq = __fls(irq);
hwirq = irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module);
generic_handle_irq(irq_linear_revmap(ltq_domain, hwirq));
generic_handle_domain_irq(ltq_domain, hwirq);
/* if this is a EBU irq, we need to ack it or get a deadlock */
if (irq == LTQ_ICU_EBU_IRQ && !module && LTQ_EBU_PCC_ISTAT != 0)

8
arch/mips/pci/pci-ar2315.c
View File

@ -337,14 +337,12 @@ static void ar2315_pci_irq_handler(struct irq_desc *desc)
struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc);
u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) &
ar2315_pci_reg_read(apc, AR2315_PCI_IMR);
unsigned pci_irq = 0;
int ret = 0;
if (pending)
pci_irq = irq_find_mapping(apc->domain, __ffs(pending));
ret = generic_handle_domain_irq(apc->domain, __ffs(pending));
if (pci_irq)
generic_handle_irq(pci_irq);
else
if (!pending || ret)
spurious_interrupt();
}

5
arch/mips/pci/pci-rt3883.c
View File

@ -140,10 +140,9 @@ static void rt3883_pci_irq_handler(struct irq_desc *desc)
}
while (pending) {
unsigned irq, bit = __ffs(pending);
unsigned bit = __ffs(pending);
irq = irq_find_mapping(rpc->irq_domain, bit);
generic_handle_irq(irq);
generic_handle_domain_irq(rpc->irq_domain, bit);
pending &= ~BIT(bit);
}

2
arch/mips/ralink/irq.c
View File

@ -100,7 +100,7 @@ static void ralink_intc_irq_handler(struct irq_desc *desc)
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
generic_handle_domain_irq(domain, __ffs(pending));
} else {
spurious_interrupt();
}

16
arch/mips/sgi-ip27/ip27-irq.c
View File

@ -190,7 +190,7 @@ static void ip27_do_irq_mask0(struct irq_desc *desc)
unsigned long *mask = per_cpu(irq_enable_mask, cpu);
struct irq_domain *domain;
u64 pend0;
int irq;
int ret;
/* copied from Irix intpend0() */
pend0 = LOCAL_HUB_L(PI_INT_PEND0);
@ -216,10 +216,8 @@ static void ip27_do_irq_mask0(struct irq_desc *desc)
#endif
{
domain = irq_desc_get_handler_data(desc);
irq = irq_linear_revmap(domain, __ffs(pend0));
if (irq)
generic_handle_irq(irq);
else
ret = generic_handle_domain_irq(domain, __ffs(pend0));
if (ret)
spurious_interrupt();
}
@ -232,7 +230,7 @@ static void ip27_do_irq_mask1(struct irq_desc *desc)
unsigned long *mask = per_cpu(irq_enable_mask, cpu);
struct irq_domain *domain;
u64 pend1;
int irq;
int ret;
/* copied from Irix intpend0() */
pend1 = LOCAL_HUB_L(PI_INT_PEND1);
@ -242,10 +240,8 @@ static void ip27_do_irq_mask1(struct irq_desc *desc)
return;
domain = irq_desc_get_handler_data(desc);
irq = irq_linear_revmap(domain, __ffs(pend1) + 64);
if (irq)
generic_handle_irq(irq);
else
ret = generic_handle_domain_irq(domain, __ffs(pend1) + 64);
if (ret)
spurious_interrupt();
LOCAL_HUB_L(PI_INT_PEND1);

8
arch/mips/sgi-ip30/ip30-irq.c
View File

@ -99,7 +99,7 @@ static void ip30_normal_irq(struct irq_desc *desc)
int cpu = smp_processor_id();
struct irq_domain *domain;
u64 pend, mask;
int irq;
int ret;
pend = heart_read(&heart_regs->isr);
mask = (heart_read(&heart_regs->imr[cpu]) &
@ -130,10 +130,8 @@ static void ip30_normal_irq(struct irq_desc *desc)
#endif
{
domain = irq_desc_get_handler_data(desc);
irq = irq_linear_revmap(domain, __ffs(pend));
if (irq)
generic_handle_irq(irq);
else
ret = generic_handle_domain_irq(domain, __ffs(pend));
if (ret)
spurious_interrupt();
}
}