diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2024-02-07 10:16:40 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-09 23:53:44 +0300 |
| commit | 4c49b6824a607af4760fac4f5c0b9954ab902cef (patch) | |
| tree | c55ef251875475317ca21277395ac6f0eb7591f2 /drivers/net/ethernet/realtek | |
| parent | 876e32473d1dd61cb58ece9965c3b3ea3ab307ab (diff) | |
| download | linux-4c49b6824a607af4760fac4f5c0b9954ab902cef.tar.xz | |
r8169: improve checking for valid LED modes
After 3a2746320403 ("leds: trigger: netdev: Display only supported link
speed attribute") the check for valid link modes can be simplified.
In addition factor it out, so that it can be re-used by the upcoming
LED support for RTL8125.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/8876a9f4-7a2d-48c3-8eae-0d834f5c27c5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/realtek')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_leds.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_leds.c b/drivers/net/ethernet/realtek/r8169_leds.c index f082bd7d6194..78078eca3c43 100644 --- a/drivers/net/ethernet/realtek/r8169_leds.c +++ b/drivers/net/ethernet/realtek/r8169_leds.c @@ -20,11 +20,6 @@ #define RTL8168_NUM_LEDS 3 -#define RTL8168_SUPPORTED_MODES \ - (BIT(TRIGGER_NETDEV_LINK_1000) | BIT(TRIGGER_NETDEV_LINK_100) | \ - BIT(TRIGGER_NETDEV_LINK_10) | BIT(TRIGGER_NETDEV_RX) | \ - BIT(TRIGGER_NETDEV_TX)) - struct r8169_led_classdev { struct led_classdev led; struct net_device *ndev; @@ -33,28 +28,35 @@ struct r8169_led_classdev { #define lcdev_to_r8169_ldev(lcdev) container_of(lcdev, struct r8169_led_classdev, led) +static bool r8169_trigger_mode_is_valid(unsigned long flags) +{ + bool rx, tx; + + if (flags & BIT(TRIGGER_NETDEV_HALF_DUPLEX)) + return false; + if (flags & BIT(TRIGGER_NETDEV_FULL_DUPLEX)) + return false; + + rx = flags & BIT(TRIGGER_NETDEV_RX); + tx = flags & BIT(TRIGGER_NETDEV_TX); + + return rx == tx; +} + static int rtl8168_led_hw_control_is_supported(struct led_classdev *led_cdev, unsigned long flags) { struct r8169_led_classdev *ldev = lcdev_to_r8169_ldev(led_cdev); struct rtl8169_private *tp = netdev_priv(ldev->ndev); int shift = ldev->index * 4; - bool rx, tx; - - if (flags & ~RTL8168_SUPPORTED_MODES) - goto nosupp; - rx = flags & BIT(TRIGGER_NETDEV_RX); - tx = flags & BIT(TRIGGER_NETDEV_TX); - if (rx != tx) - goto nosupp; + if (!r8169_trigger_mode_is_valid(flags)) { + /* Switch LED off to indicate that mode isn't supported */ + rtl8168_led_mod_ctrl(tp, 0x000f << shift, 0); + return -EOPNOTSUPP; + } return 0; - -nosupp: - /* Switch LED off to indicate that mode isn't supported */ - rtl8168_led_mod_ctrl(tp, 0x000f << shift, 0); - return -EOPNOTSUPP; } static int rtl8168_led_hw_control_set(struct led_classdev *led_cdev, |