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irqchip/irq-imx-gpcv2: Fix spinlock initialization

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The raw_spinlock in the IMX GPCV2 interupt chip is not initialized before
usage. That results in a lockdep splat:

  INFO: trying to register non-static key.
  the code is fine but needs lockdep annotation.
  turning off the locking correctness validator.

Add the missing raw_spin_lock_init() to the setup code.

Fixes: e324c4dc4a ("irqchip/imx-gpcv2: IMX GPCv2 driver for wakeup sources")
Signed-off-by: Tyler Baker <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Tyler Baker 2017-04-13 15:27:31 -07:00 • committed by Thomas Gleixner
commit 75eb5e1e7b
1 changed files with 2 additions and 0 deletions
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2
drivers/irqchip/irq-imx-gpcv2.c
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@ -230,6 +230,8 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node,
return -ENOMEM;
}
raw_spin_lock_init(&cd->rlock);
cd->gpc_base = of_iomap(node, 0);
if (!cd->gpc_base) {
pr_err("fsl-gpcv2: unable to map gpc registers\n");