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Hardware pwm in user space

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Posted at 1/13/2016 17:09:51     
hi,
I add printk in the probe,it can pritk. use pwm will use this function,

--- a/kernel/drivers/pwm/pwm-rockchip.c
+++ b/kernel/drivers/pwm/pwm-rockchip.c
@@ -630,6 +630,7 @@ static int rk_pwm_probe(struct platform_device *pdev)
        struct rk_pwm_chip *pc;
        int ret;

+       printk("pwm is here\n");
        if (!of_id){


[    0.750802] io scheduler noop registered
[    0.750813] io scheduler deadline registered
[    0.750900] io scheduler cfq registered (default)
[    0.751217] pwm is here
[    0.752517] rockchip-hdmiv2 ff980000.hdmi: rockchip hdmiv2 probe sucess.
[    0.753187] IEP Driver loaded succesfully
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