| Message ID | 1447664207-24370-4-git-send-email-boris.brezillon@free-electrons.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
Hi Boris, Quoting Boris Brezillon (2015-11-16 00:56:26) > diff --git a/drivers/clk/clk-pwm.c b/drivers/clk/clk-pwm.c > index 328fcfc..b6306a2 100644 > --- a/drivers/clk/clk-pwm.c > +++ b/drivers/clk/clk-pwm.c > @@ -71,22 +71,23 @@ static int clk_pwm_probe(struct platform_device *pdev) > if (IS_ERR(pwm)) > return PTR_ERR(pwm); > > - if (!pwm->period) { > + if (!pwm_get_period((pwm))) { The change itself looks fine, but the semantic patch added extra parens. Can you remove them? After doing so feel free to add: Acked-by: Michael Turquette <mturquette@baylibre.com> -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/clk/clk-pwm.c b/drivers/clk/clk-pwm.c index 328fcfc..b6306a2 100644 --- a/drivers/clk/clk-pwm.c +++ b/drivers/clk/clk-pwm.c @@ -71,22 +71,23 @@ static int clk_pwm_probe(struct platform_device *pdev) if (IS_ERR(pwm)) return PTR_ERR(pwm); - if (!pwm->period) { + if (!pwm_get_period((pwm))) { dev_err(&pdev->dev, "invalid PWM period\n"); return -EINVAL; } if (of_property_read_u32(node, "clock-frequency", &clk_pwm->fixed_rate)) - clk_pwm->fixed_rate = NSEC_PER_SEC / pwm->period; + clk_pwm->fixed_rate = NSEC_PER_SEC / pwm_get_period((pwm)); - if (pwm->period != NSEC_PER_SEC / clk_pwm->fixed_rate && - pwm->period != DIV_ROUND_UP(NSEC_PER_SEC, clk_pwm->fixed_rate)) { + if (pwm_get_period((pwm)) != NSEC_PER_SEC / clk_pwm->fixed_rate && + pwm_get_period((pwm)) != DIV_ROUND_UP(NSEC_PER_SEC, clk_pwm->fixed_rate)) { dev_err(&pdev->dev, "clock-frequency does not match PWM period\n"); return -EINVAL; } - ret = pwm_config(pwm, (pwm->period + 1) >> 1, pwm->period); + ret = pwm_config(pwm, (pwm_get_period((pwm)) + 1) >> 1, + pwm_get_period((pwm))); if (ret < 0) return ret;
Use pwm_get_xxx() helpers instead of directly accessing the pwm->xxx field. Doing that will ease adaptation of the PWM framework to support atomic update. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> --- Patch generated with the following coccinelle script: --->8--- virtual patch @@ struct pwm_device *p; expression e; @@ ( -(p)->polarity = e; +pwm_set_polarity((p), e); | -(p)->polarity +pwm_get_polarity((p)) | -(p)->period = e; +pwm_set_period((p), e); | -(p)->period +pwm_get_period((p)) | -(p)->duty_cycle = e; +pwm_set_duty_cycle((p), e); | -(p)->duty_cycle +pwm_get_duty_cycle((p)) ) --->8--- --- drivers/clk/clk-pwm.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)