diff options
Diffstat (limited to 'include/linux/phy.h')
-rw-r--r-- | include/linux/phy.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index a98bc91a0cde..504766d4b2d5 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1378,12 +1378,13 @@ int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum); * @regnum: The register on the MMD to read * @val: Variable to read the register into * @cond: Break condition (usually involving @val) - * @sleep_us: Maximum time to sleep between reads in us (0 - * tight-loops). Should be less than ~20ms since usleep_range - * is used (see Documentation/timers/timers-howto.rst). + * @sleep_us: Maximum time to sleep between reads in us (0 tight-loops). Please + * read usleep_range() function description for details and + * limitations. * @timeout_us: Timeout in us, 0 means never timeout * @sleep_before_read: if it is true, sleep @sleep_us before read. - * Returns 0 on success and -ETIMEDOUT upon a timeout. In either + * + * Returns: 0 on success and -ETIMEDOUT upon a timeout. In either * case, the last read value at @args is stored in @val. Must not * be called from atomic context if sleep_us or timeout_us are used. */ |