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authorJustin M. Forbes <jforbes@fedoraproject.org>2019-12-02 12:50:34 -0600
committerJustin M. Forbes <jforbes@fedoraproject.org>2019-12-02 12:50:34 -0600
commitabd6b9505d178a5acc8147b7bd67043f876ab2ff (patch)
treeb2b086c22e8f006f29731737b62c906c5ef841e1 /mfd-max77620-Do-not-allocate-IRQs-upfront.patch
parentfa3a43c8e6e8a762f046c4b50d9f754af3c1c7f3 (diff)
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Diffstat (limited to 'mfd-max77620-Do-not-allocate-IRQs-upfront.patch')
-rw-r--r--mfd-max77620-Do-not-allocate-IRQs-upfront.patch183
1 files changed, 0 insertions, 183 deletions
diff --git a/mfd-max77620-Do-not-allocate-IRQs-upfront.patch b/mfd-max77620-Do-not-allocate-IRQs-upfront.patch
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-From: Thierry Reding <thierry.reding@gmail.com>
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-Subject: [PATCH] mfd: max77620: Do not allocate IRQs upfront
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-From: Thierry Reding <treding@nvidia.com>
-
-regmap_add_irq_chip() will try to allocate all of the IRQ descriptors
-upfront if passed a non-zero irq_base parameter. However, the intention
-is to allocate IRQ descriptors on an as-needed basis if possible. Pass 0
-instead of -1 to fix that use-case.
-
-Signed-off-by: Thierry Reding <treding@nvidia.com>
----
- drivers/mfd/max77620.c | 5 ++---
- include/linux/mfd/max77620.h | 1 -
- 2 files changed, 2 insertions(+), 4 deletions(-)
-
-diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
-index a851ff473a44..c7ed5c353553 100644
---- a/drivers/mfd/max77620.c
-+++ b/drivers/mfd/max77620.c
-@@ -507,7 +507,6 @@ static int max77620_probe(struct i2c_client *client,
-
- i2c_set_clientdata(client, chip);
- chip->dev = &client->dev;
-- chip->irq_base = -1;
- chip->chip_irq = client->irq;
- chip->chip_id = (enum max77620_chip_id)id->driver_data;
-
-@@ -545,8 +544,8 @@ static int max77620_probe(struct i2c_client *client,
-
- max77620_top_irq_chip.irq_drv_data = chip;
- ret = devm_regmap_add_irq_chip(chip->dev, chip->rmap, client->irq,
-- IRQF_ONESHOT | IRQF_SHARED,
-- chip->irq_base, &max77620_top_irq_chip,
-+ IRQF_ONESHOT | IRQF_SHARED, 0,
-+ &max77620_top_irq_chip,
- &chip->top_irq_data);
- if (ret < 0) {
- dev_err(chip->dev, "Failed to add regmap irq: %d\n", ret);
-diff --git a/include/linux/mfd/max77620.h b/include/linux/mfd/max77620.h
-index 12ba157cb83f..f552ef5b1100 100644
---- a/include/linux/mfd/max77620.h
-+++ b/include/linux/mfd/max77620.h
-@@ -329,7 +329,6 @@ struct max77620_chip {
- struct regmap *rmap;
-
- int chip_irq;
-- int irq_base;
-
- /* chip id */
- enum max77620_chip_id chip_id;