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i2c: pca-platform: Use platform_irq_get_optional 

[ Upstream commit 14c1fe699cad9cb0acda4559c584f136d18fea50 ]

The interrupt is not required so use platform_irq_get_optional() to
avoid error messages like

  i2c-pca-platform 22080000.i2c: IRQ index 0 not found

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chris Packham 2020-03-27 11:44:22 +13:00 committed by Greg Kroah-Hartman
parent 54d09aab81
commit a5ef462303
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-pca-platform.c
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@ -140,7 +140,7 @@ static int i2c_pca_pf_probe(struct platform_device *pdev)
int ret = 0;
int irq;
irq = platform_get_irq(pdev, 0);
irq = platform_get_irq_optional(pdev, 0);
/* If irq is 0, we do polling. */
if (irq < 0)
irq = 0;