The functions irq_irq_err and ipu_irq_fn are identical plus/minus the
comments. Remove one.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Cc: Vinod Koul <vinod.k...@intel.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: dmaeng...@vger.kernel.org
---
drivers/dma/ipu/ipu_irq.c | 46 ++++------------------------------------------
1 file changed, 4 insertions(+), 42 deletions(-)
Index: linux-next/drivers/dma/ipu/ipu_irq.c
===================================================================
--- linux-next.orig/drivers/dma/ipu/ipu_irq.c
+++ linux-next/drivers/dma/ipu/ipu_irq.c
@@ -265,8 +265,8 @@ int ipu_irq_unmap(unsigned int source)
return ret;
}
-/* Chained IRQ handler for IPU error interrupt */
-static void ipu_irq_err(unsigned int __irq, struct irq_desc *desc)
+/* Chained IRQ handler for IPU function and error interrupt */
+static void ipu_irq_handler(unsigned int __irq, struct irq_desc *desc)
{
struct ipu *ipu = irq_desc_get_handler_data(desc);
u32 status;
@@ -307,44 +307,6 @@ static void ipu_irq_err(unsigned int __i
}
}
-/* Chained IRQ handler for IPU function interrupt */
-static void ipu_irq_fn(unsigned int __irq, struct irq_desc *desc)
-{
- struct ipu *ipu = irq_desc_get_handler_data(desc);
- u32 status;
- int i, line;
-
- for (i = 0; i < IPU_IRQ_NR_FN_BANKS; i++) {
- struct ipu_irq_bank *bank = irq_bank + i;
-
- raw_spin_lock(&bank_lock);
- status = ipu_read_reg(ipu, bank->status);
- /* Not clearing all interrupts, see above */
- status &= ipu_read_reg(ipu, bank->control);
- raw_spin_unlock(&bank_lock);
- while ((line = ffs(status))) {
- struct ipu_irq_map *map;
- unsigned int irq;
-
- line--;
- status &= ~(1UL << line);
-
- raw_spin_lock(&bank_lock);
- map = src2map(32 * i + line);
- if (map)
- irq = map->irq;
- raw_spin_unlock(&bank_lock);
-
- if (!map) {
- pr_err("IPU: Interrupt on unmapped source %u
bank %d\n",
- line, i);
- continue;
- }
- generic_handle_irq(irq);
- }
- }
-}
-
static struct irq_chip ipu_irq_chip = {
.name = "ipu_irq",
.irq_ack = ipu_irq_ack,
@@ -384,9 +346,9 @@ int __init ipu_irq_attach_irq(struct ipu
#endif
}
- irq_set_chained_handler_and_data(ipu->irq_fn, ipu_irq_fn, ipu);
+ irq_set_chained_handler_and_data(ipu->irq_fn, ipu_irq_handler, ipu);
- irq_set_chained_handler_and_data(ipu->irq_err, ipu_irq_err, ipu);
+ irq_set_chained_handler_and_data(ipu->irq_err, ipu_irq_handler, ipu);
ipu->irq_base = irq_base;
--
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