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can: c_can: Add and make use of 32-bit accesses functions

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Add helpers for 32-bit accesses and replace open-coded 32-bit access
with calls to helpers. Minimum changes are done to the pci case, as I
don't have access to that hardware.

Tested-by: Thor Thayer <tthayer@altera.com>
Signed-off-by: Thor Thayer <tthayer@altera.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Pavel Machek 2014-05-06 15:57:02 +02:00 • committed by Marc Kleine-Budde
parent e07e83ae60
commit ccbc5357db
4 changed files with 60 additions and 10 deletions
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2
drivers/net/can/c_can/c_can.h
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@ -178,6 +178,8 @@ struct c_can_priv {
int last_status;
u16 (*read_reg) (const struct c_can_priv *priv, enum reg index);
void (*write_reg) (const struct c_can_priv *priv, enum reg index, u16 val);
u32 (*read_reg32) (const struct c_can_priv *priv, enum reg index);
void (*write_reg32) (const struct c_can_priv *priv, enum reg index, u32 val);
void __iomem *base;
const u16 *regs;
void *priv; /* for board-specific data */