Message ID | 20221110122225.1283326-3-o.rempel@pengutronix.de (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | net: dsa: microchip: add MTU support for KSZ8 series | expand |
Context | Check | Description |
---|---|---|
netdev/tree_selection | success | Clearly marked for net-next |
netdev/fixes_present | success | Fixes tag not required for -next series |
netdev/subject_prefix | success | Link |
netdev/cover_letter | success | Series has a cover letter |
netdev/patch_count | success | Link |
netdev/header_inline | success | No static functions without inline keyword in header files |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/cc_maintainers | success | CCed 11 of 11 maintainers |
netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
netdev/module_param | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
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: 0 this patch: 0 |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 31 lines checked |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/source_inline | success | Was 0 now: 0 |
On Thu, Nov 10, 2022 at 01:22:23PM +0100, Oleksij Rempel wrote: > If we have global MTU configuration, it is enough to configure it on CPU > port only. > > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> > --- Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
On 11/10/2022 4:22 AM, Oleksij Rempel wrote: > If we have global MTU configuration, it is enough to configure it on CPU > port only. > > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 602d00671bef..f6e7968ab105 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -45,19 +45,15 @@ static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset, int ksz9477_change_mtu(struct ksz_device *dev, int port, int mtu) { - u16 frame_size, max_frame = 0; - int i; - - frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; + u16 frame_size; - /* Cache the per-port MTU setting */ - dev->ports[port].max_frame = frame_size; + if (!dsa_is_cpu_port(dev->ds, port)) + return 0; - for (i = 0; i < dev->info->port_cnt; i++) - max_frame = max(max_frame, dev->ports[i].max_frame); + frame_size = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; return regmap_update_bits(dev->regmap[1], REG_SW_MTU__2, - REG_SW_MTU_MASK, max_frame); + REG_SW_MTU_MASK, frame_size); } static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev) diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 27c26ee15af4..61228be299f9 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -95,7 +95,6 @@ struct ksz_port { struct ksz_port_mib mib; phy_interface_t interface; - u16 max_frame; u32 rgmii_tx_val; u32 rgmii_rx_val; struct ksz_device *ksz_dev;
If we have global MTU configuration, it is enough to configure it on CPU port only. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- drivers/net/dsa/microchip/ksz9477.c | 14 +++++--------- drivers/net/dsa/microchip/ksz_common.h | 1 - 2 files changed, 5 insertions(+), 10 deletions(-)