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irq_domain/powerpc: Replace custom xlate functions with library functions

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This patch converts a number of the powerpc drivers to use the common library
of irq_domain xlate functions, dropping a bunch of lines in the process.

v5: - Remove tsi108 changes from patch

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Tested-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Grant Likely 2012-01-24 17:09:13 -07:00
parent 9f70b8eb3c
commit ff8c3ab816
7 changed files with 7 additions and 97 deletions
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13
arch/powerpc/platforms/powermac/pic.c
View File

@ -288,21 +288,10 @@ static int pmac_pic_host_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int pmac_pic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq,
unsigned int *out_flags)
{
*out_flags = IRQ_TYPE_NONE;
*out_hwirq = *intspec;
return 0;
}
static const struct irq_domain_ops pmac_pic_host_ops = {
.match = pmac_pic_host_match,
.map = pmac_pic_host_map,
.xlate = pmac_pic_host_xlate,
.xlate = irq_domain_xlate_onecell,
};
static void __init pmac_pic_probe_oldstyle(void)

13
arch/powerpc/platforms/wsp/opb_pic.c
View File

@ -196,20 +196,9 @@ static int opb_host_map(struct irq_domain *host, unsigned int virq,
return 0;
}
static int opb_host_xlate(struct irq_domain *host, struct device_node *dn,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_type)
{
/* Interrupt size must == 2 */
BUG_ON(intsize != 2);
*out_hwirq = intspec[0];
*out_type = intspec[1];
return 0;
}
static const struct irq_domain_ops opb_host_ops = {
.map = opb_host_map,
.xlate = opb_host_xlate,
.xlate = irq_domain_xlate_twocell,
};
irqreturn_t opb_irq_handler(int irq, void *private)

14
arch/powerpc/sysdev/cpm2_pic.c
View File

@ -224,21 +224,9 @@ static int cpm2_pic_host_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int cpm2_pic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_flags)
{
*out_hwirq = intspec[0];
if (intsize > 1)
*out_flags = intspec[1];
else
*out_flags = IRQ_TYPE_NONE;
return 0;
}
static const struct irq_domain_ops cpm2_pic_host_ops = {
.map = cpm2_pic_host_map,
.xlate = cpm2_pic_host_xlate,
.xlate = irq_domain_xlate_onetwocell,
};
void cpm2_pic_init(struct device_node *node)

18
arch/powerpc/sysdev/ipic.c
View File

@ -692,26 +692,10 @@ static int ipic_host_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int ipic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_flags)
{
/* interrupt sense values coming from the device tree equal either
* LEVEL_LOW (low assertion) or EDGE_FALLING (high-to-low change)
*/
*out_hwirq = intspec[0];
if (intsize > 1)
*out_flags = intspec[1];
else
*out_flags = IRQ_TYPE_NONE;
return 0;
}
static struct irq_domain_ops ipic_host_ops = {
.match = ipic_host_match,
.map = ipic_host_map,
.xlate = ipic_host_xlate,
.xlate = irq_domain_xlate_onetwocell,
};
struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)

15
arch/powerpc/sysdev/qe_lib/qe_ic.c
View File

@ -272,23 +272,10 @@ static int qe_ic_host_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int qe_ic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 * intspec, unsigned int intsize,
irq_hw_number_t * out_hwirq,
unsigned int *out_flags)
{
*out_hwirq = intspec[0];
if (intsize > 1)
*out_flags = intspec[1];
else
*out_flags = IRQ_TYPE_NONE;
return 0;
}
static struct irq_domain_ops qe_ic_host_ops = {
.match = qe_ic_host_match,
.map = qe_ic_host_map,
.xlate = qe_ic_host_xlate,
.xlate = irq_domain_xlate_onetwocell,
};
/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */

14
arch/powerpc/sysdev/uic.c
View File

@ -190,21 +190,9 @@ static int uic_host_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int uic_host_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_type)
{
/* UIC intspecs must have 2 cells */
BUG_ON(intsize != 2);
*out_hwirq = intspec[0];
*out_type = intspec[1];
return 0;
}
static struct irq_domain_ops uic_host_ops = {
.map = uic_host_map,
.xlate = uic_host_xlate,
.xlate = irq_domain_xlate_twocell,
};
void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)

17
drivers/gpio/gpio-mpc8xxx.c
View File

@ -296,24 +296,9 @@ static int mpc8xxx_gpio_irq_map(struct irq_domain *h, unsigned int virq,
return 0;
}
static int mpc8xxx_gpio_irq_xlate(struct irq_domain *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq,
unsigned int *out_flags)
{
/* interrupt sense values coming from the device tree equal either
* EDGE_FALLING or EDGE_BOTH
*/
*out_hwirq = intspec[0];
*out_flags = intspec[1];
return 0;
}
static struct irq_domain_ops mpc8xxx_gpio_irq_ops = {
.map = mpc8xxx_gpio_irq_map,
.xlate = mpc8xxx_gpio_irq_xlate,
.xlate = irq_domain_xlate_twocell,
};
static struct of_device_id mpc8xxx_gpio_ids[] __initdata = {