system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-19 17:58:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

i2c: imx: use IRQF_SHARED mode to request IRQ

Browse source 
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>
This commit is contained in:
Wei Jinhua 2017-10-11 15:57:20 +08:00 committed by Wolfram Sang
parent c6ebcedbab
commit df0a2fdab0
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/i2c/busses/i2c-imx.c
View file

@ -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);