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authorHeiner Kallweit <hkallweit1@gmail.com>2024-02-07 08:16:40 +0100
committerJakub Kicinski <kuba@kernel.org>2024-02-09 12:53:44 -0800
commit4c49b6824a607af4760fac4f5c0b9954ab902cef (patch)
treec55ef251875475317ca21277395ac6f0eb7591f2 /drivers/net
parent876e32473d1dd61cb58ece9965c3b3ea3ab307ab (diff)
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')
-rw-r--r--drivers/net/ethernet/realtek/r8169_leds.c38
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,