A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Revert "genirq: Allow irq_chip registration functions to take a const irq_chip"

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This reverts commit f19bf41e73 which is
commit 393e1280f765661cf39785e967676a4e57324126 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: If02b4d096b62cb90fc84ec181c3b7168c1c30267
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Greg Kroah-Hartman 2024-08-30 10:04:57 +00:00
commit d131a10522
2 changed files with 9 additions and 7 deletions
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9
kernel/irq/chip.c
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@ -39,7 +39,7 @@ struct irqaction chained_action = {
* @irq: irq number
* @chip: pointer to irq chip description structure
*/
int irq_set_chip(unsigned int irq, const struct irq_chip *chip)
int irq_set_chip(unsigned int irq, struct irq_chip *chip)
{
unsigned long flags;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
@ -47,7 +47,10 @@ int irq_set_chip(unsigned int irq, const struct irq_chip *chip)
if (!desc)
return -EINVAL;
desc->irq_data.chip = (struct irq_chip *)(chip ?: &no_irq_chip);
if (!chip)
chip = &no_irq_chip;
desc->irq_data.chip = chip;
irq_put_desc_unlock(desc, flags);
/*
* For !CONFIG_SPARSE_IRQ make the irq show up in
@ -1098,7 +1101,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle,
EXPORT_SYMBOL_GPL(irq_set_chained_handler_and_data);
void
irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip,
irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
irq_flow_handler_t handle, const char *name)
{
irq_set_chip(irq, chip);