diff options
| author | Magnus Damm <damm+renesas@opensource.se> | 2015-07-20 12:06:35 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-20 13:19:00 +0200 |
| commit | e10fc03c4f89e5191f0ad2a3885d476f498bf131 (patch) | |
| tree | d218fdc331ef7bbeb0c308c44a31290fe0914645 /drivers/irqchip/irq-renesas-irqc.c | |
| parent | irqchip/renesas-irqc: Use linear IRQ domain (diff) | |
| download | linux-e10fc03c4f89e5191f0ad2a3885d476f498bf131.tar.xz linux-e10fc03c4f89e5191f0ad2a3885d476f498bf131.zip | |
irqchip/renesas-irqc: Make use of irq_find_mapping()
Instead of locally caching the virq as domain_irq simply rely on the
IRQ domain code and irq_find_mapping(). This reduces the delta
between the IRQC driver and the generic chip implementation.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Cc: jason@lakedaemon.net
Cc: geert+renesas@glider.be
Cc: horms@verge.net.au
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20150720100635.2552.20906.sendpatchset@little-apple
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/irqchip/irq-renesas-irqc.c')
| -rw-r--r-- | drivers/irqchip/irq-renesas-irqc.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 7f750920ed90..2aa3add711a6 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -53,7 +53,6 @@ struct irqc_irq { int hw_irq; int requested_irq; - int domain_irq; struct irqc_priv *p; }; @@ -70,8 +69,8 @@ struct irqc_priv { static void irqc_dbg(struct irqc_irq *i, char *str) { - dev_dbg(&i->p->pdev->dev, "%s (%d:%d:%d)\n", - str, i->requested_irq, i->hw_irq, i->domain_irq); + dev_dbg(&i->p->pdev->dev, "%s (%d:%d)\n", + str, i->requested_irq, i->hw_irq); } static void irqc_irq_enable(struct irq_data *d) @@ -145,7 +144,7 @@ static irqreturn_t irqc_irq_handler(int irq, void *dev_id) if (ioread32(p->iomem + DETECT_STATUS) & bit) { iowrite32(bit, p->iomem + DETECT_STATUS); irqc_dbg(i, "demux2"); - generic_handle_irq(i->domain_irq); + generic_handle_irq(irq_find_mapping(p->irq_domain, i->hw_irq)); return IRQ_HANDLED; } return IRQ_NONE; @@ -156,9 +155,6 @@ static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq, { struct irqc_priv *p = h->host_data; - p->irq[hw].domain_irq = virq; - p->irq[hw].hw_irq = hw; - irqc_dbg(&p->irq[hw], "map"); irq_set_chip_data(virq, h->host_data); irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq); @@ -214,6 +210,7 @@ static int irqc_probe(struct platform_device *pdev) break; p->irq[k].p = p; + p->irq[k].hw_irq = k; p->irq[k].requested_irq = irq->start; } |