No functional effect.
Signed-off-by: Su Yanjun <[email protected]>
---
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
index f07e8b737d31..cc48ccee4694 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
@@ -181,6 +181,12 @@ static int mcp251xfd_clks_and_vdd_disable(const struct mcp251xfd_priv *priv)
return 0;
}
+static inline int
+mcp251xfd_get_val_bytes(const struct mcp251xfd_priv *priv)
+{
+ return priv->map_reg->format.val_bytes;
+}
+
static inline u8
mcp251xfd_cmd_prepare_write_reg(const struct mcp251xfd_priv *priv,
union mcp251xfd_write_reg_buf *write_reg_buf,
@@ -1308,6 +1314,7 @@ mcp251xfd_tef_obj_read(const struct mcp251xfd_priv *priv,
const u8 offset, const u8 len)
{
const struct mcp251xfd_tx_ring *tx_ring = priv->tx;
+ int val_bytes = mcp251xfd_get_val_bytes(priv);
if (IS_ENABLED(CONFIG_CAN_MCP251XFD_SANITY) &&
(offset > tx_ring->obj_num ||
@@ -1322,7 +1329,7 @@ mcp251xfd_tef_obj_read(const struct mcp251xfd_priv *priv,
return regmap_bulk_read(priv->map_rx,
mcp251xfd_get_tef_obj_addr(offset),
hw_tef_obj,
- sizeof(*hw_tef_obj) / sizeof(u32) * len);
+ sizeof(*hw_tef_obj) / val_bytes * len);
}
static int mcp251xfd_handle_tefif(struct mcp251xfd_priv *priv)
@@ -1511,11 +1518,12 @@ mcp251xfd_rx_obj_read(const struct mcp251xfd_priv *priv,
const u8 offset, const u8 len)
{
int err;
+ int val_bytes = mcp251xfd_get_val_bytes(priv);
err = regmap_bulk_read(priv->map_rx,
mcp251xfd_get_rx_obj_addr(ring, offset),
hw_rx_obj,
- len * ring->obj_size / sizeof(u32));
+ len * ring->obj_size / val_bytes);
return err;
}
@@ -2139,6 +2147,7 @@ static irqreturn_t mcp251xfd_irq(int irq, void *dev_id)
struct mcp251xfd_priv *priv = dev_id;
irqreturn_t handled = IRQ_NONE;
int err;
+ int val_bytes = mcp251xfd_get_val_bytes(priv);
if (priv->rx_int)
do {
@@ -2162,7 +2171,7 @@ static irqreturn_t mcp251xfd_irq(int irq, void *dev_id)
err = regmap_bulk_read(priv->map_reg, MCP251XFD_REG_INT,
&priv->regs_status,
sizeof(priv->regs_status) /
- sizeof(u32));
+ val_bytes);
if (err)
goto out_fail;
--
2.25.1
On Thu, Jan 21, 2021 at 04:33:13PM +0800, Su Yanjun wrote:
> No functional effect.
>
> Signed-off-by: Su Yanjun <[email protected]>
Fails to build from source:
CC [M] drivers/net/can/spi/mcp251xfd/mcp251xfd-core.o
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c: In function ‘mcp251xfd_get_val_bytes’:
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:187:22: error: invalid use of undefined type ‘struct regmap’
187 | return priv->map_reg->format.val_bytes;
| ^~
rivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:188:1: error: control reaches end of non-void function [-Werror=return-type]
188 | }
| ^
cc1: some warnings being treated as errors
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
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