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authorWei Jinhua <wei.jinhua1@zte.com.cn>2017-10-11 10:57:20 +0300
committerWolfram Sang <wsa@the-dreams.de>2017-10-13 22:05:51 +0300
commitdf0a2fdab0068f7452bf0a97ea9ba0ad69d49a1f (patch)
tree5a68efd5dc65fd2f236467b639ab60e20cb74169 /drivers/i2c
parentc6ebcedbab7ca78984959386012a17b21183e1a3 (diff)
downloadlinux-df0a2fdab0068f7452bf0a97ea9ba0ad69d49a1f.tar.xz
i2c: imx: use IRQF_SHARED mode to request IRQ
Some SoC share one irq number between I2C controllers. For example, on the LS2088 board, I2C 1 and I2C 2 share one irq number. In this case, only one I2C controller can register successfully, and others will fail. Signed-off-by: Wei Jinhua <wei.jinhua1@zte.com.cn> Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-imx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 54a47b40546f..e5c8b3d5df77 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1100,7 +1100,7 @@ static int i2c_imx_probe(struct platform_device *pdev)
}
/* Request IRQ */
- ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, 0,
+ ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, IRQF_SHARED,
pdev->name, i2c_imx);
if (ret) {
dev_err(&pdev->dev, "can't claim irq %d\n", irq);