From: Lokesh Vutla Date: Fri, 30 Oct 2020 13:41:35 +0000 (+0530) Subject: pwm: lp3943: Dynamically allocate PWM chip base X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1f0f1e80fdd3aa9631f6c22cda4f8550cfcfcc3e;p=linux.git pwm: lp3943: Dynamically allocate PWM chip base When there are other PWM controllers enabled along with pwm-lp3943, pwm-lp3942 is failing to probe with -EEXIST error. This is because other PWM controllers are probed first and assigned PWM base 0 and pwm-lp3943 is requesting for 0 again. In order to avoid this, assign the chip base with -1, so that it is dynamically allocated. Fixes: af66b3c0934e ("pwm: Add LP3943 PWM driver") Signed-off-by: Lokesh Vutla Reviewed-by: Uwe Kleine-König Signed-off-by: Thierry Reding --- diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c index 7551253ada32b..bf3f14fb5f244 100644 --- a/drivers/pwm/pwm-lp3943.c +++ b/drivers/pwm/pwm-lp3943.c @@ -275,6 +275,7 @@ static int lp3943_pwm_probe(struct platform_device *pdev) lp3943_pwm->chip.dev = &pdev->dev; lp3943_pwm->chip.ops = &lp3943_pwm_ops; lp3943_pwm->chip.npwm = LP3943_NUM_PWMS; + lp3943_pwm->chip.base = -1; platform_set_drvdata(pdev, lp3943_pwm);