From: Alex Elder Date: Fri, 3 Jul 2020 21:23:34 +0000 (-0500) Subject: net: ipa: introduce ipa_clock_rate() X-Git-Tag: v5.9-rc1~133^2~347^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=78b348f3f15bc0c84bd3559be59266a54f313f64;p=thirdparty%2Fkernel%2Flinux.git net: ipa: introduce ipa_clock_rate() Create a new function that returns the current rate of the IPA core clock. Signed-off-by: Alex Elder Signed-off-by: David S. Miller --- diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index c5204fd58ac4b..0fbc8b1bdf416 100644 --- a/drivers/net/ipa/ipa_clock.c +++ b/drivers/net/ipa/ipa_clock.c @@ -256,6 +256,12 @@ void ipa_clock_put(struct ipa *ipa) mutex_unlock(&clock->mutex); } +/* Return the current IPA core clock rate */ +u32 ipa_clock_rate(struct ipa *ipa) +{ + return ipa->clock ? (u32)clk_get_rate(ipa->clock->core) : 0; +} + /* Initialize IPA clocking */ struct ipa_clock *ipa_clock_init(struct device *dev) { diff --git a/drivers/net/ipa/ipa_clock.h b/drivers/net/ipa/ipa_clock.h index bc52b35e6bb23..0f4e2877a6df2 100644 --- a/drivers/net/ipa/ipa_clock.h +++ b/drivers/net/ipa/ipa_clock.h @@ -10,6 +10,14 @@ struct device; struct ipa; +/** + * ipa_clock_rate() - Return the current IPA core clock rate + * @ipa: IPA structure + * + * Return: The current clock rate (in Hz), or 0. + */ +u32 ipa_clock_rate(struct ipa *ipa); + /** * ipa_clock_init() - Initialize IPA clocking * @dev: IPA device