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regmap: Fix for v7.4

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One fix for a real issue that fortunately doesn't affect any in tree
 configurations.
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Merge tag 'regmap-fix-v7.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fix from Mark Brown:
 "One fix for a real issue that fortunately doesn't affect any in tree
  configurations"

* tag 'regmap-fix-v7.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: irq: fix incorrect index calculation for read_sub_irq_data()
This commit is contained in:
Linus Torvalds 2026-10-30 08:20:58 -10:00
commit a4395d81ec
1 changed files with 4 additions and 4 deletions
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8
drivers/base/regmap/regmap-irq.c
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@ -398,14 +398,14 @@ static int read_irq_data(struct regmap_irq_chip_data *data)
/* Read sub registers with active IRQs */
for (i = 0; i < chip->num_main_regs; i++) {
unsigned int b;
unsigned int b, index;
const unsigned long mreg = data->main_status_buf[i];
for_each_set_bit(b, &mreg, map->format.val_bytes * 8) {
if (i * map->format.val_bytes * 8 + b >
max_main_bits)
index = i * map->format.val_bytes * 8 + b;
if (index >= max_main_bits)
break;
ret = read_sub_irq_data(data, b);
ret = read_sub_irq_data(data, index);
if (ret != 0) {
dev_err(map->dev, "Failed to read IRQ status %d\n", ret);