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misc: microchip: pci1xxxx: Fix missing spin_lock_init()

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The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.

Fixes: 7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-2-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2022-09-07 14:58:05 +00:00 committed by Greg Kroah-Hartman
parent c15d7e11ae
commit 8c297fbdc3
1 changed files with 1 additions and 0 deletions
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drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c
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@ -383,6 +383,7 @@ static int pci1xxxx_gpio_probe(struct auxiliary_device *aux_dev,
if (!priv)
return -ENOMEM;
spin_lock_init(&priv->lock);
priv->aux_dev = aux_dev;
if (!devm_request_mem_region(&aux_dev->dev, pdata->region_start, 0x800, aux_dev->name))