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INTRNG: Define 'INTR_IRQ_INVALID' constant and use it consistently

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as error indicator.
This commit is contained in:
Michal Meloun 2016-04-28 12:04:12 +00:00
parent 39f6c1bdf4
commit 8442087f15
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=298739
3 changed files with 9 additions and 9 deletions
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2
sys/dev/gpio/gpiobus.c
View File

@ -90,7 +90,7 @@ gpio_alloc_intr_resource(device_t consumer_dev, int *rid, u_int alloc_flags,
* into it.
*/
irqnum = intr_gpio_map_irq(pin->dev, pin->pin, pin->flags, intr_mode);
if (irqnum == 0xFFFFFFFF)
if (irqnum == INTR_IRQ_INVALID)
return (NULL);
return (bus_alloc_resource(consumer_dev, SYS_RES_IRQ, rid,

14
sys/kern/subr_intr.c
View File

@ -109,8 +109,6 @@ static struct mtx isrc_table_lock;
static struct intr_irqsrc *irq_sources[NIRQ];
u_int irq_next_free;
#define IRQ_INVALID nitems(irq_sources)
/*
* XXX - All stuff around struct intr_dev_data is considered as temporary
* until better place for storing struct intr_map_data will be find.
@ -138,7 +136,7 @@ static struct intr_dev_data *intr_ddata_tab[2 * NIRQ];
static u_int intr_ddata_first_unused;
#define IRQ_DDATA_BASE 10000
CTASSERT(IRQ_DDATA_BASE > IRQ_INVALID);
CTASSERT(IRQ_DDATA_BASE > nitems(irq_sources));
#ifdef SMP
static boolean_t irq_assign_cpu = FALSE;
@ -399,7 +397,7 @@ isrc_free_irq(struct intr_irqsrc *isrc)
return (EINVAL);
irq_sources[isrc->isrc_irq] = NULL;
isrc->isrc_irq = IRQ_INVALID; /* just to be safe */
isrc->isrc_irq = INTR_IRQ_INVALID; /* just to be safe */
return (0);
}
@ -427,7 +425,7 @@ intr_isrc_register(struct intr_irqsrc *isrc, device_t dev, u_int flags,
bzero(isrc, sizeof(struct intr_irqsrc));
isrc->isrc_dev = dev;
isrc->isrc_irq = IRQ_INVALID; /* just to be safe */
isrc->isrc_irq = INTR_IRQ_INVALID; /* just to be safe */
isrc->isrc_flags = flags;
va_start(ap, fmt);
@ -560,7 +558,7 @@ intr_acpi_map_irq(device_t dev, u_int irq, enum intr_polarity pol,
ddata = intr_ddata_alloc(0);
if (ddata == NULL)
return (0xFFFFFFFF); /* no space left */
return (INTR_IRQ_INVALID); /* no space left */
ddata->idd_dev = dev;
ddata->idd_data.type = INTR_MAP_DATA_ACPI;
@ -585,7 +583,7 @@ intr_fdt_map_irq(phandle_t node, pcell_t *cells, u_int ncells)
cellsize = ncells * sizeof(*cells);
ddata = intr_ddata_alloc(cellsize);
if (ddata == NULL)
return (0xFFFFFFFF); /* no space left */
return (INTR_IRQ_INVALID); /* no space left */
ddata->idd_xref = (intptr_t)node;
ddata->idd_data.type = INTR_MAP_DATA_FDT;
@ -607,7 +605,7 @@ intr_gpio_map_irq(device_t dev, u_int pin_num, u_int pin_flags, u_int intr_mode)
ddata = intr_ddata_alloc(0);
if (ddata == NULL)
return (0xFFFFFFFF); /* no space left */
return (INTR_IRQ_INVALID); /* no space left */
ddata->idd_dev = dev;
ddata->idd_data.type = INTR_MAP_DATA_GPIO;

2
sys/sys/intr.h
View File

@ -32,6 +32,8 @@
#include <sys/systm.h>
#define INTR_IRQ_INVALID 0xFFFFFFFF
enum intr_map_data_type {
INTR_MAP_DATA_ACPI,
INTR_MAP_DATA_FDT,