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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
commit282c335ad1bf4d21fcedff132e19995c24c09adc (patch)
treed24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /drivers/net/dsa/lan9303_mdio.c
parentAdding upstream version 4.19.289. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/dsa/lan9303_mdio.c')
-rw-r--r--drivers/net/dsa/lan9303_mdio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/dsa/lan9303_mdio.c b/drivers/net/dsa/lan9303_mdio.c
index cc9c2ea1c..d2c463ae0 100644
--- a/drivers/net/dsa/lan9303_mdio.c
+++ b/drivers/net/dsa/lan9303_mdio.c
@@ -41,7 +41,7 @@ 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);
@@ -59,7 +59,7 @@ 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);