diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
| commit | cbd32a1c56e36fedaa93a727699188bd3e6e6f67 (patch) | |
| tree | 199e302eb5a66725a9d1774e47367a87098ba397 /drivers/net/dsa/qca8k.c | |
| parent | 48c7d73b2362ce61503551ad70052617b3e8857d (diff) | |
| parent | b61fbc887af7a13a1c90c84c1feaeb4c9780e1e2 (diff) | |
Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull a single EFI fix for v5.3 from Ard:
- Fix mixed mode breakage in EFI config table handling for TPM.
Diffstat (limited to 'drivers/net/dsa/qca8k.c')
| -rw-r--r-- | drivers/net/dsa/qca8k.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index c4fa400efdcc..232e8cc96f6d 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -14,6 +14,7 @@ #include <linux/of_platform.h> #include <linux/if_bridge.h> #include <linux/mdio.h> +#include <linux/gpio/consumer.h> #include <linux/etherdevice.h> #include "qca8k.h" @@ -1046,6 +1047,20 @@ qca8k_sw_probe(struct mdio_device *mdiodev) priv->bus = mdiodev->bus; priv->dev = &mdiodev->dev; + priv->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset", + GPIOD_ASIS); + if (IS_ERR(priv->reset_gpio)) + return PTR_ERR(priv->reset_gpio); + + if (priv->reset_gpio) { + gpiod_set_value_cansleep(priv->reset_gpio, 1); + /* The active low duration must be greater than 10 ms + * and checkpatch.pl wants 20 ms. + */ + msleep(20); + gpiod_set_value_cansleep(priv->reset_gpio, 0); + } + /* read the switches ID register */ id = qca8k_read(priv, QCA8K_REG_MASK_CTRL); id >>= QCA8K_MASK_CTRL_ID_S; |