From: Grant Likely Date: Wed, 25 Jan 2012 00:09:13 +0000 (-0700) Subject: irq_domain/powerpc: Replace custom xlate functions with library functions X-Git-Tag: irqdomain-for-linus~8 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ff8c3ab8161d0df52858966e0347e05791da40df;p=uclinux-h8%2Flinux.git irq_domain/powerpc: Replace custom xlate functions with library functions 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 Cc: Rob Herring Cc: Benjamin Herrenschmidt Cc: Thomas Gleixner Cc: Milton Miller Tested-by: Olof Johansson --- diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 46a5f32e958b..92afc382a49e 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -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) diff --git a/arch/powerpc/platforms/wsp/opb_pic.c b/arch/powerpc/platforms/wsp/opb_pic.c index 0c6fe0b50137..cb565bf93650 100644 --- a/arch/powerpc/platforms/wsp/opb_pic.c +++ b/arch/powerpc/platforms/wsp/opb_pic.c @@ -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) diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index 8c9fc9c29095..d3be961e2ae7 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -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) diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 0eaaa01c11b3..b50f97811c25 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -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) diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index e9b3d5cc65d3..2fba6ef2f95e 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -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. */ diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 84e59c97391f..92033936a8f7 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -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) diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 149d9876fca8..e6568c19c939 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -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 = {