diff options
| author | Alex Elder <elder@linaro.org> | 2020-07-04 00:23:34 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-04 00:37:33 +0300 |
| commit | 78b348f3f15bc0c84bd3559be59266a54f313f64 (patch) | |
| tree | 894700fea052d208edcdf61c280aa4c8a19dda7b /drivers | |
| parent | cd8700e45e73c5e5c32260ebc3092e50c1853e5d (diff) | |
| download | linux-78b348f3f15bc0c84bd3559be59266a54f313f64.tar.xz | |
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 <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ipa/ipa_clock.c | 6 | ||||
| -rw-r--r-- | drivers/net/ipa/ipa_clock.h | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index c5204fd58ac4..0fbc8b1bdf41 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 bc52b35e6bb2..0f4e2877a6df 100644 --- a/drivers/net/ipa/ipa_clock.h +++ b/drivers/net/ipa/ipa_clock.h @@ -11,6 +11,14 @@ 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 * |