Commit 6a035138 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

dma: Ipu: Convert interupt code 



Convert to the new irq chip functions and cleanup the name space.

[ Guennadi reported: irq_data_get_chip_data is undefined. Yes, I screwed up. 
 it needs to be irq_data_get_irq_chip_data ]

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Dan Williams <dan.j.williams@intel.com>
LKML-Reference: <alpine.LFD.2.00.1103251220000.31464@localhost6.localdomain6>
parent ab7798ff

drivers/dma/ipu/ipu_irq.c

+29 −29
Original line number Diff line number Diff line
@@ -94,9 +94,9 @@ static struct ipu_irq_map *src2map(unsigned int src) 
	return NULL;

}



static void ipu_irq_unmask(unsigned int irq)

static void ipu_irq_unmask(struct irq_data *d)

{

	struct ipu_irq_map *map = get_irq_chip_data(irq);

	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);

	struct ipu_irq_bank *bank;

	uint32_t reg;

	unsigned long lock_flags;
@@ -106,7 +106,7 @@ static void ipu_irq_unmask(unsigned int irq) 
	bank = map->bank;

	if (!bank) {

		spin_unlock_irqrestore(&bank_lock, lock_flags);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);

		return;

	}
@@ -117,9 +117,9 @@ static void ipu_irq_unmask(unsigned int irq) 
	spin_unlock_irqrestore(&bank_lock, lock_flags);

}



static void ipu_irq_mask(unsigned int irq)

static void ipu_irq_mask(struct irq_data *d)

{

	struct ipu_irq_map *map = get_irq_chip_data(irq);

	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);

	struct ipu_irq_bank *bank;

	uint32_t reg;

	unsigned long lock_flags;
@@ -129,7 +129,7 @@ static void ipu_irq_mask(unsigned int irq) 
	bank = map->bank;

	if (!bank) {

		spin_unlock_irqrestore(&bank_lock, lock_flags);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);

		return;

	}
@@ -140,9 +140,9 @@ static void ipu_irq_mask(unsigned int irq) 
	spin_unlock_irqrestore(&bank_lock, lock_flags);

}



static void ipu_irq_ack(unsigned int irq)

static void ipu_irq_ack(struct irq_data *d)

{

	struct ipu_irq_map *map = get_irq_chip_data(irq);

	struct ipu_irq_map *map = irq_data_get_irq_chip_data(d);

	struct ipu_irq_bank *bank;

	unsigned long lock_flags;
@@ -151,7 +151,7 @@ static void ipu_irq_ack(unsigned int irq) 
	bank = map->bank;

	if (!bank) {

		spin_unlock_irqrestore(&bank_lock, lock_flags);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq);

		pr_err("IPU: %s(%u) - unmapped!\n", __func__, d->irq);

		return;

	}
@@ -167,7 +167,7 @@ static void ipu_irq_ack(unsigned int irq) 
 */

bool ipu_irq_status(unsigned int irq)

{

	struct ipu_irq_map *map = get_irq_chip_data(irq);

	struct ipu_irq_map *map = irq_get_chip_data(irq);

	struct ipu_irq_bank *bank;

	unsigned long lock_flags;

	bool ret;
@@ -269,7 +269,7 @@ int ipu_irq_unmap(unsigned int source) 
/* Chained IRQ handler for IPU error interrupt */

static void ipu_irq_err(unsigned int irq, struct irq_desc *desc)

{

	struct ipu *ipu = get_irq_data(irq);

	struct ipu *ipu = irq_get_handler_data(irq);

	u32 status;

	int i, line;
@@ -310,7 +310,7 @@ static void ipu_irq_err(unsigned int irq, struct irq_desc *desc) 
/* Chained IRQ handler for IPU function interrupt */

static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc)

{

	struct ipu *ipu = get_irq_data(irq);

	struct ipu *ipu = irq_desc_get_handler_data(desc);

	u32 status;

	int i, line;
@@ -346,9 +346,9 @@ static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc) 


static struct irq_chip ipu_irq_chip = {

	.name		= "ipu_irq",

	.ack	= ipu_irq_ack,

	.mask	= ipu_irq_mask,

	.unmask	= ipu_irq_unmask,

	.irq_ack	= ipu_irq_ack,

	.irq_mask	= ipu_irq_mask,

	.irq_unmask	= ipu_irq_unmask,

};



/* Install the IRQ handler */
@@ -366,26 +366,26 @@ int __init ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev) 
		int ret;



		irq = irq_base + i;

		ret = set_irq_chip(irq, &ipu_irq_chip);

		ret = irq_set_chip(irq, &ipu_irq_chip);

		if (ret < 0)

			return ret;

		ret = set_irq_chip_data(irq, irq_map + i);

		ret = irq_set_chip_data(irq, irq_map + i);

		if (ret < 0)

			return ret;

		irq_map[i].ipu = ipu;

		irq_map[i].irq = irq;

		irq_map[i].source = -EINVAL;

		set_irq_handler(irq, handle_level_irq);

		irq_set_handler(irq, handle_level_irq);

#ifdef CONFIG_ARM

		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);

#endif

	}



	set_irq_data(ipu->irq_fn, ipu);

	set_irq_chained_handler(ipu->irq_fn, ipu_irq_fn);

	irq_set_handler_data(ipu->irq_fn, ipu);

	irq_set_chained_handler(ipu->irq_fn, ipu_irq_fn);



	set_irq_data(ipu->irq_err, ipu);

	set_irq_chained_handler(ipu->irq_err, ipu_irq_err);

	irq_set_handler_data(ipu->irq_err, ipu);

	irq_set_chained_handler(ipu->irq_err, ipu_irq_err);



	return 0;

}
@@ -397,17 +397,17 @@ void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev) 


	irq_base = pdata->irq_base;



	set_irq_chained_handler(ipu->irq_fn, NULL);

	set_irq_data(ipu->irq_fn, NULL);

	irq_set_chained_handler(ipu->irq_fn, NULL);

	irq_set_handler_data(ipu->irq_fn, NULL);



	set_irq_chained_handler(ipu->irq_err, NULL);

	set_irq_data(ipu->irq_err, NULL);

	irq_set_chained_handler(ipu->irq_err, NULL);

	irq_set_handler_data(ipu->irq_err, NULL);



	for (irq = irq_base; irq < irq_base + CONFIG_MX3_IPU_IRQS; irq++) {

#ifdef CONFIG_ARM

		set_irq_flags(irq, 0);

#endif

		set_irq_chip(irq, NULL);

		set_irq_chip_data(irq, NULL);

		irq_set_chip(irq, NULL);

		irq_set_chip_data(irq, NULL);

	}

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE