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authorJakub Kicinski <kuba@kernel.org>2021-04-09 20:46:01 -0700
committerJakub Kicinski <kuba@kernel.org>2021-04-09 20:48:35 -0700
commit8859a44ea0df92bccdc942ef15781ebbfe0ad9f3 (patch)
treebffdd602a7d6ad5060df41789af75965f9d58270 /drivers/net/can
parentenetc: Use generic rule to map Tx rings to interrupt vectors (diff)
parentMerge tag 'net-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadlinux-dev-8859a44ea0df92bccdc942ef15781ebbfe0ad9f3.tar.xz
linux-dev-8859a44ea0df92bccdc942ef15781ebbfe0ad9f3.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts: MAINTAINERS - keep Chandrasekar drivers/net/ethernet/mellanox/mlx5/core/en_main.c - simple fix + trust the code re-added to param.c in -next is fine include/linux/bpf.h - trivial include/linux/ethtool.h - trivial, fix kdoc while at it include/linux/skmsg.h - move to relevant place in tcp.c, comment re-wrapped net/core/skmsg.c - add the sk = sk // sk = NULL around calls net/tipc/crypto.c - trivial Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/spi/mcp251x.c24
-rw-r--r--drivers/net/can/usb/peak_usb/pcan_usb_core.c6
2 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index 80ab1593ca31..492f1bcb0516 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -314,6 +314,18 @@ static int mcp251x_spi_trans(struct spi_device *spi, int len)
return ret;
}
+static int mcp251x_spi_write(struct spi_device *spi, int len)
+{
+ struct mcp251x_priv *priv = spi_get_drvdata(spi);
+ int ret;
+
+ ret = spi_write(spi, priv->spi_tx_buf, len);
+ if (ret)
+ dev_err(&spi->dev, "spi write failed: ret = %d\n", ret);
+
+ return ret;
+}
+
static u8 mcp251x_read_reg(struct spi_device *spi, u8 reg)
{
struct mcp251x_priv *priv = spi_get_drvdata(spi);
@@ -361,7 +373,7 @@ static void mcp251x_write_reg(struct spi_device *spi, u8 reg, u8 val)
priv->spi_tx_buf[1] = reg;
priv->spi_tx_buf[2] = val;
- mcp251x_spi_trans(spi, 3);
+ mcp251x_spi_write(spi, 3);
}
static void mcp251x_write_2regs(struct spi_device *spi, u8 reg, u8 v1, u8 v2)
@@ -373,7 +385,7 @@ static void mcp251x_write_2regs(struct spi_device *spi, u8 reg, u8 v1, u8 v2)
priv->spi_tx_buf[2] = v1;
priv->spi_tx_buf[3] = v2;
- mcp251x_spi_trans(spi, 4);
+ mcp251x_spi_write(spi, 4);
}
static void mcp251x_write_bits(struct spi_device *spi, u8 reg,
@@ -386,7 +398,7 @@ static void mcp251x_write_bits(struct spi_device *spi, u8 reg,
priv->spi_tx_buf[2] = mask;
priv->spi_tx_buf[3] = val;
- mcp251x_spi_trans(spi, 4);
+ mcp251x_spi_write(spi, 4);
}
static u8 mcp251x_read_stat(struct spi_device *spi)
@@ -618,7 +630,7 @@ static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf,
buf[i]);
} else {
memcpy(priv->spi_tx_buf, buf, TXBDAT_OFF + len);
- mcp251x_spi_trans(spi, TXBDAT_OFF + len);
+ mcp251x_spi_write(spi, TXBDAT_OFF + len);
}
}
@@ -650,7 +662,7 @@ static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame,
/* use INSTRUCTION_RTS, to avoid "repeated frame problem" */
priv->spi_tx_buf[0] = INSTRUCTION_RTS(1 << tx_buf_idx);
- mcp251x_spi_trans(priv->spi, 1);
+ mcp251x_spi_write(priv->spi, 1);
}
static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf,
@@ -888,7 +900,7 @@ static int mcp251x_hw_reset(struct spi_device *spi)
mdelay(MCP251X_OST_DELAY_MS);
priv->spi_tx_buf[0] = INSTRUCTION_RESET;
- ret = mcp251x_spi_trans(spi, 1);
+ ret = mcp251x_spi_write(spi, 1);
if (ret)
return ret;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index ad006edf474d..e69b005be068 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -861,7 +861,7 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
if (dev->adapter->dev_set_bus) {
err = dev->adapter->dev_set_bus(dev, 0);
if (err)
- goto lbl_unregister_candev;
+ goto adap_dev_free;
}
/* get device number early */
@@ -873,6 +873,10 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
return 0;
+adap_dev_free:
+ if (dev->adapter->dev_free)
+ dev->adapter->dev_free(dev);
+
lbl_unregister_candev:
unregister_candev(netdev);