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Merge branch 'ib-qcom-ssbi' into devel

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This commit is contained in:
Linus Walleij 2019-02-21 12:58:31 +01:00
commit 3dda927fdb
12 changed files with 236 additions and 184 deletions
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11
kernel/irq/chip.c
View file

@ -1277,6 +1277,17 @@ void irq_chip_mask_parent(struct irq_data *data)
}
EXPORT_SYMBOL_GPL(irq_chip_mask_parent);
/**
* irq_chip_mask_ack_parent - Mask and acknowledge the parent interrupt
* @data: Pointer to interrupt specific data
*/
void irq_chip_mask_ack_parent(struct irq_data *data)
{
data = data->parent_data;
data->chip->irq_mask_ack(data);
}
EXPORT_SYMBOL_GPL(irq_chip_mask_ack_parent);
/**
* irq_chip_unmask_parent - Unmask the parent interrupt
* @data: Pointer to interrupt specific data

45
kernel/irq/irqdomain.c
View file

@ -729,16 +729,17 @@ static int irq_domain_translate(struct irq_domain *d,
return 0;
}
static void of_phandle_args_to_fwspec(struct of_phandle_args *irq_data,
static void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args,
unsigned int count,
struct irq_fwspec *fwspec)
{
int i;
fwspec->fwnode = irq_data->np ? &irq_data->np->fwnode : NULL;
fwspec->param_count = irq_data->args_count;
fwspec->fwnode = np ? &np->fwnode : NULL;
fwspec->param_count = count;
for (i = 0; i < irq_data->args_count; i++)
fwspec->param[i] = irq_data->args[i];
for (i = 0; i < count; i++)
fwspec->param[i] = args[i];
}
unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec)
@ -836,7 +837,9 @@ unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data)
{
struct irq_fwspec fwspec;
of_phandle_args_to_fwspec(irq_data, &fwspec);
of_phandle_args_to_fwspec(irq_data->np, irq_data->args,
irq_data->args_count, &fwspec);
return irq_create_fwspec_mapping(&fwspec);
}
EXPORT_SYMBOL_GPL(irq_create_of_mapping);
@ -928,11 +931,10 @@ int irq_domain_xlate_twocell(struct irq_domain *d, struct device_node *ctrlr,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_type)
{
if (WARN_ON(intsize < 2))
return -EINVAL;
*out_hwirq = intspec[0];
*out_type = intspec[1] & IRQ_TYPE_SENSE_MASK;
return 0;
struct irq_fwspec fwspec;
of_phandle_args_to_fwspec(ctrlr, intspec, intsize, &fwspec);
return irq_domain_translate_twocell(d, &fwspec, out_hwirq, out_type);
}
EXPORT_SYMBOL_GPL(irq_domain_xlate_twocell);
@ -968,6 +970,27 @@ const struct irq_domain_ops irq_domain_simple_ops = {
};
EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
/**
* irq_domain_translate_twocell() - Generic translate for direct two cell
* bindings
*
* Device Tree IRQ specifier translation function which works with two cell
* bindings where the cell values map directly to the hwirq number
* and linux irq flags.
*/
int irq_domain_translate_twocell(struct irq_domain *d,
struct irq_fwspec *fwspec,
unsigned long *out_hwirq,
unsigned int *out_type)
{
if (WARN_ON(fwspec->param_count < 2))
return -EINVAL;
*out_hwirq = fwspec->param[0];
*out_type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
return 0;
}
EXPORT_SYMBOL_GPL(irq_domain_translate_twocell);
int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq,
int node, const struct irq_affinity_desc *affinity)
{