diff options
Diffstat (limited to 'drivers/net/dsa/lan9303_mdio.c')
| -rw-r--r-- | drivers/net/dsa/lan9303_mdio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/dsa/lan9303_mdio.c b/drivers/net/dsa/lan9303_mdio.c index 9cbe80460b53..a5787dc370eb 100644 --- a/drivers/net/dsa/lan9303_mdio.c +++ b/drivers/net/dsa/lan9303_mdio.c @@ -32,7 +32,7 @@ static int lan9303_mdio_write(void *ctx, uint32_t reg, uint32_t val) struct lan9303_mdio *sw_dev = (struct lan9303_mdio *)ctx; reg <<= 2; /* reg num to offset */ - mutex_lock(&sw_dev->device->bus->mdio_lock); + mutex_lock_nested(&sw_dev->device->bus->mdio_lock, MDIO_MUTEX_NESTED); lan9303_mdio_real_write(sw_dev->device, reg, val & 0xffff); lan9303_mdio_real_write(sw_dev->device, reg + 2, (val >> 16) & 0xffff); mutex_unlock(&sw_dev->device->bus->mdio_lock); @@ -50,7 +50,7 @@ static int lan9303_mdio_read(void *ctx, uint32_t reg, uint32_t *val) struct lan9303_mdio *sw_dev = (struct lan9303_mdio *)ctx; reg <<= 2; /* reg num to offset */ - mutex_lock(&sw_dev->device->bus->mdio_lock); + mutex_lock_nested(&sw_dev->device->bus->mdio_lock, MDIO_MUTEX_NESTED); *val = lan9303_mdio_real_read(sw_dev->device, reg); *val |= (lan9303_mdio_real_read(sw_dev->device, reg + 2) << 16); mutex_unlock(&sw_dev->device->bus->mdio_lock); |