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Xtensa updates for v5.7: 

- replace setup_irq() by request_irq();
 - cosmetic fixes in xtensa Kconfig and boot/Makefile.
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Merge tag 'xtensa-20200410' of git://github.com/jcmvbkbc/linux-xtensa

Pull xtensa updates from Max Filippov:

 - replace setup_irq() by request_irq()

 - cosmetic fixes in xtensa Kconfig and boot/Makefile

* tag 'xtensa-20200410' of git://github.com/jcmvbkbc/linux-xtensa:
  arch/xtensa: fix grammar in Kconfig help text
  xtensa: remove meaningless export ccflags-y
  xtensa: replace setup_irq() by request_irq()
This commit is contained in:
Linus Torvalds 2020-04-10 17:39:20 -07:00
parent e6383b185a 70cbddb973
commit 9539303a9b
4 changed files with 8 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/xtensa/Kconfig
View File

@ -122,7 +122,7 @@ config XTENSA_VARIANT_CUSTOM_NAME
help
Provide the name of a custom Xtensa processor variant.
This CORENAME selects arch/xtensa/variant/CORENAME.
Dont forget you have to select MMU if you have one.
Don't forget you have to select MMU if you have one.
config XTENSA_VARIANT_NAME
string

1
arch/xtensa/boot/Makefile
View File

@ -14,7 +14,6 @@ HOSTFLAGS += -Iarch/$(ARCH)/boot/include
BIG_ENDIAN := $(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
export ccflags-y
export BIG_ENDIAN
subdir-y := lib

8
arch/xtensa/kernel/smp.c
View File

@ -53,16 +53,12 @@ static void system_flush_invalidate_dcache_range(unsigned long start,
#define IPI_IRQ 0
static irqreturn_t ipi_interrupt(int irq, void *dev_id);
static struct irqaction ipi_irqaction = {
.handler = ipi_interrupt,
.flags = IRQF_PERCPU,
.name = "ipi",
};
void ipi_init(void)
{
unsigned irq = irq_create_mapping(NULL, IPI_IRQ);
setup_irq(irq, &ipi_irqaction);
if (request_irq(irq, ipi_interrupt, IRQF_PERCPU, "ipi", NULL))
pr_err("Failed to request irq %u (ipi)\n", irq);
}
static inline unsigned int get_core_count(void)

12
arch/xtensa/kernel/time.c
View File

@ -128,12 +128,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
static struct irqaction timer_irqaction = {
.handler = timer_interrupt,
.flags = IRQF_TIMER,
.name = "timer",
};
void local_timer_setup(unsigned cpu)
{
struct ccount_timer *timer = &per_cpu(ccount_timer, cpu);
@ -184,6 +178,8 @@ static inline void calibrate_ccount(void)
void __init time_init(void)
{
int irq;
of_clk_init(NULL);
#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
pr_info("Calibrating CPU frequency ");
@ -199,7 +195,9 @@ void __init time_init(void)
__func__);
clocksource_register_hz(&ccount_clocksource, ccount_freq);
local_timer_setup(0);
setup_irq(this_cpu_ptr(&ccount_timer)->evt.irq, &timer_irqaction);
irq = this_cpu_ptr(&ccount_timer)->evt.irq;
if (request_irq(irq, timer_interrupt, IRQF_TIMER, "timer", NULL))
pr_err("Failed to request irq %d (timer)\n", irq);
sched_clock_register(ccount_sched_clock_read, 32, ccount_freq);
timer_probe();
}