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authorAxel Lin <axel.lin@ingics.com>2015-02-21 00:19:28 +0800
committerJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>2015-03-30 01:42:49 +0530
commit1478aeb32dcf57fdd01fd9efc3e3ab0083450cc3 (patch)
treed9235f21851136b89427a1fa6f5ad696d6b2497e /drivers/spi
parentbb1662760eb0ec2eb88253cb95e2d423b2c2bb44 (diff)
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spi: cf_spi: Staticize local functions
Make local functions static and remove unneeded forward declarations. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/cf_spi.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/spi/cf_spi.c b/drivers/spi/cf_spi.c
index 7453538..6ce1101 100644
--- a/drivers/spi/cf_spi.c
+++ b/drivers/spi/cf_spi.c
@@ -20,13 +20,6 @@ struct cf_spi_slave {
int charbit;
};
-int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout,
- void *din, ulong flags);
-struct spi_slave *cfspi_setup_slave(struct cf_spi_slave *cfslave, uint mode);
-void cfspi_init(void);
-void cfspi_tx(u32 ctrl, u16 data);
-u16 cfspi_rx(void);
-
extern void cfspi_port_conf(void);
extern int cfspi_claim_bus(uint bus, uint cs);
extern void cfspi_release_bus(uint bus, uint cs);
@@ -51,7 +44,7 @@ static inline struct cf_spi_slave *to_cf_spi_slave(struct spi_slave *slave)
return container_of(slave, struct cf_spi_slave, slave);
}
-void cfspi_init(void)
+static void cfspi_init(void)
{
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
@@ -89,7 +82,7 @@ void cfspi_init(void)
#endif
}
-void cfspi_tx(u32 ctrl, u16 data)
+static void cfspi_tx(u32 ctrl, u16 data)
{
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
@@ -98,7 +91,7 @@ void cfspi_tx(u32 ctrl, u16 data)
dspi->tfr = (ctrl | data);
}
-u16 cfspi_rx(void)
+static u16 cfspi_rx(void)
{
volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
@@ -107,8 +100,8 @@ u16 cfspi_rx(void)
return (dspi->rfr & 0xFFFF);
}
-int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout,
- void *din, ulong flags)
+static int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout,
+ void *din, ulong flags)
{
struct cf_spi_slave *cfslave = to_cf_spi_slave(slave);
u16 *spi_rd16 = NULL, *spi_wr16 = NULL;
@@ -181,7 +174,8 @@ int cfspi_xfer(struct spi_slave *slave, uint bitlen, const void *dout,
return 0;
}
-struct spi_slave *cfspi_setup_slave(struct cf_spi_slave *cfslave, uint mode)
+static struct spi_slave *cfspi_setup_slave(struct cf_spi_slave *cfslave,
+ uint mode)
{
/*
* bit definition for mode: