Commit 33c4655c authored by David S. Miller's avatar David S. Miller
Browse files

sparc: Kill SBUS layer IRQ hooks. 



IRQs are obtained by drivers from the of_device struct.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 71d37211

arch/sparc/include/asm/sbus_32.h

+0 −17
Original line number Diff line number Diff line
@@ -76,9 +76,6 @@ struct sbus_bus { 


	struct linux_prom_ranges sbus_ranges[PROMREG_MAX];

	int num_sbus_ranges;



	int devid;

	int board;

};

#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@@ -102,26 +99,12 @@ sbus_is_slave(struct sbus_dev *dev) 
	for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \

		for ((device) = (bus)->devices; (device); (device) = (device)->next)



extern void sbus_fill_device_irq(struct sbus_dev *);



/* These yield IOMMU mappings in consistent mode. */

void prom_adjust_ranges(struct linux_prom_ranges *, int,

			struct linux_prom_ranges *, int);



/* Eric Brower (ebrower@usa.net)

 * Translate SBus interrupt levels to ino values--

 * this is used when converting sbus "interrupts" OBP

 * node values to "intr" node values, and is platform

 * dependent.  If only we could call OBP with

 * "sbus-intr>cpu (sbint -- ino)" from kernel...

 * See .../drivers/sbus/sbus.c for details.

 */

BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int)

#define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint)



extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);

extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);

extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);

extern int sbus_arch_preinit(void);

extern void sbus_arch_postinit(void);

arch/sparc/include/asm/sbus_64.h

+0 −3
Original line number Diff line number Diff line
@@ -94,11 +94,8 @@ extern struct sbus_bus *sbus_root; 
	for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \

		for ((device) = (bus)->devices; (device); (device) = (device)->next)



extern void sbus_fill_device_irq(struct sbus_dev *);



extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);

extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);

extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);

extern int sbus_arch_preinit(void);

extern void sbus_arch_postinit(void);

arch/sparc/kernel/ioport.c

+0 −53
Original line number Diff line number Diff line
@@ -255,49 +255,6 @@ void sbus_set_sbus64(struct device *dev, int x) 
	printk("sbus_set_sbus64: unsupported\n");

}



extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq);

void __init sbus_fill_device_irq(struct sbus_dev *sdev)

{

	struct linux_prom_irqs irqs[PROMINTR_MAX];

	int len;



	len = prom_getproperty(sdev->prom_node, "intr",

			       (char *)irqs, sizeof(irqs));

	if (len != -1) {

		sdev->num_irqs = len / 8;

		if (sdev->num_irqs == 0) {

			sdev->irqs[0] = 0;

		} else if (sparc_cpu_model == sun4d) {

			for (len = 0; len < sdev->num_irqs; len++)

				sdev->irqs[len] =

					sun4d_build_irq(sdev, irqs[len].pri);

		} else {

			for (len = 0; len < sdev->num_irqs; len++)

				sdev->irqs[len] = irqs[len].pri;

		}

	} else {

		int interrupts[PROMINTR_MAX];



		/* No "intr" node found-- check for "interrupts" node.

		 * This node contains SBus interrupt levels, not IPLs

		 * as in "intr", and no vector values.  We convert

		 * SBus interrupt levels to PILs (platform specific).

		 */

		len = prom_getproperty(sdev->prom_node, "interrupts",

				       (char *)interrupts, sizeof(interrupts));

		if (len == -1) {

			sdev->irqs[0] = 0;

			sdev->num_irqs = 0;

		} else {

			sdev->num_irqs = len / sizeof(int);

			for (len = 0; len < sdev->num_irqs; len++) {

				sdev->irqs[len] =

					sbint_to_irq(sdev, interrupts[len]);

			}

		}

	} 

}



/*

 * Allocate a chunk of memory suitable for DMA.

 * Typically devices use them for control blocks.
@@ -479,16 +436,6 @@ void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp) 
#endif

}



void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp)

{

	if (sparc_cpu_model == sun4d) {

		struct device_node *parent = dp->parent;



		sbus->devid = of_getintprop_default(parent, "device-id", 0);

		sbus->board = of_getintprop_default(parent, "board#", 0);

	}

}



int __init sbus_arch_preinit(void)

{

	register_proc_sparc_ioport();

arch/sparc/kernel/sun4c_irq.c

+0 −13
Original line number Diff line number Diff line
@@ -66,18 +66,6 @@ static struct resource sun4c_intr_eb = { "sun4c_intr" }; 
 */

unsigned char *interrupt_enable = NULL;



static int sun4c_pil_map[] = { 0, 1, 2, 3, 5, 7, 8, 9 };



static unsigned int sun4c_sbint_to_irq(struct sbus_dev *sdev,

				       unsigned int sbint)

{

	if (sbint >= sizeof(sun4c_pil_map)) {

		printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);

		BUG();

	}

	return sun4c_pil_map[sbint];

}



static void sun4c_disable_irq(unsigned int irq_nr)

{

	unsigned long flags;
@@ -243,7 +231,6 @@ void __init sun4c_init_IRQ(void) 
	if (!interrupt_enable)

		panic("Cannot map interrupt_enable");



	BTFIXUPSET_CALL(sbint_to_irq, sun4c_sbint_to_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(enable_irq, sun4c_enable_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(disable_irq, sun4c_disable_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(enable_pil_irq, sun4c_enable_irq, BTFIXUPCALL_NORM);

arch/sparc/kernel/sun4d_irq.c

+0 −21
Original line number Diff line number Diff line
@@ -257,26 +257,6 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs) 
	set_irq_regs(old_regs);

}



unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq)

{

	int sbusl = pil_to_sbus[irq];



	if (sbusl)

		return ((sdev->bus->board + 1) << 5) + (sbusl << 2) + sdev->slot;

	else

		return irq;

}



static unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev,

				       unsigned int sbint)

{

	if (sbint >= sizeof(sbus_to_pil)) {

		printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);

		BUG();

	}

	return sun4d_build_irq(sdev, sbus_to_pil[sbint]);

}



int sun4d_request_irq(unsigned int irq,

		irq_handler_t handler,

		unsigned long irqflags, const char * devname, void *dev_id)
@@ -585,7 +565,6 @@ void __init sun4d_init_IRQ(void) 
{

	local_irq_disable();



	BTFIXUPSET_CALL(sbint_to_irq, sun4d_sbint_to_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(enable_irq, sun4d_enable_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(disable_irq, sun4d_disable_irq, BTFIXUPCALL_NORM);

	BTFIXUPSET_CALL(clear_clock_irq, sun4d_clear_clock_irq, BTFIXUPCALL_NORM);

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