| Message ID | E1qZAX3-005pTi-K1@rmk-PC.armlinux.org.uk (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 70934c7c99ad01778eef83e898df4c624e52492f |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | stmmac cleanups | expand |
| Context | Check | Description |
|---|---|---|
| netdev/series_format | success | Posting correctly formatted |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 1420 this patch: 1420 |
| netdev/cc_maintainers | success | CCed 8 of 8 maintainers |
| netdev/build_clang | success | Errors and warnings before: 1358 this patch: 1358 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/deprecated_api | success | None detected |
| netdev/check_selftest | success | No net selftest shell script |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 1443 this patch: 1443 |
| netdev/checkpatch | warning | CHECK: Alignment should match open parenthesis |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 160bce608c34..0d7354955d62 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -426,6 +426,24 @@ static struct { { MAC_10HD, SPEED_10, DUPLEX_HALF }, }; +/** + * phylink_limit_mac_speed - limit the phylink_config to a maximum speed + * @config: pointer to a &struct phylink_config + * @max_speed: maximum speed + * + * Mask off MAC capabilities for speeds higher than the @max_speed parameter. + * Any further motifications of config.mac_capabilities will override this. + */ +void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(phylink_caps_params) && + phylink_caps_params[i].speed > max_speed; i++) + config->mac_capabilities &= ~phylink_caps_params[i].mask; +} +EXPORT_SYMBOL_GPL(phylink_limit_mac_speed); + /** * phylink_cap_from_speed_duplex - Get mac capability from speed/duplex * @speed: the speed to search for diff --git a/include/linux/phylink.h b/include/linux/phylink.h index 789c516c6b4a..7d07f8736431 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -223,6 +223,8 @@ struct phylink_config { unsigned long mac_capabilities; }; +void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed); + /** * struct phylink_mac_ops - MAC operations structure. * @validate: Validate and update the link configuration.
Add a function which can be used to limit the phylink MAC capabilities to an upper speed limit. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> --- drivers/net/phy/phylink.c | 18 ++++++++++++++++++ include/linux/phylink.h | 2 ++ 2 files changed, 20 insertions(+)