提交 3d8cc000 编写于 作者: T Thomas Gleixner 提交者: Vinod Koul

dmaengine: ipu: Consolidate duplicated irq handlers

The functions irq_irq_err and ipu_irq_fn are identical plus/minus the
comments. Remove one.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
上级 425e20fd
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
无相关合并请求
......@@ -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 __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 = 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 *ipu, struct platform_device *dev)
#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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