diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2016-11-30 04:34:22 -0800 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2016-12-05 03:24:38 +0100 |
| commit | 0dba0254ea31eca41fdef88783f1dd192ac6fa56 (patch) | |
| tree | 3c43a2ca9ff4706beb0c0df82cfd96aca75a3927 /src/soc/rockchip | |
| parent | 52896c6c33250036928406d9dc38aa2ce1906b05 (diff) | |
spi: Fix parameter types for spi functions
1. Use size_t instead of unsigned int for bytes_out and bytes_in.
2. Use const attribute for spi_slave structure passed into xfer, claim
bus and release bus functions.
BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully
Change-Id: Ie70b3520b51c42d750f907892545510c6058f85a
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17682
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/rockchip')
| -rw-r--r-- | src/soc/rockchip/common/spi.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/soc/rockchip/common/spi.c b/src/soc/rockchip/common/spi.c index 3666de39d1..8f45679dfc 100644 --- a/src/soc/rockchip/common/spi.c +++ b/src/soc/rockchip/common/spi.c @@ -68,7 +68,7 @@ static struct rockchip_spi_slave rockchip_spi_slaves[] = { #endif }; -static struct rockchip_spi_slave *to_rockchip_spi(struct spi_slave *slave) +static struct rockchip_spi_slave *to_rockchip_spi(const struct spi_slave *slave) { return container_of(slave, struct rockchip_spi_slave, slave); } @@ -79,13 +79,13 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) return &(rockchip_spi_slaves[bus].slave); } -static void spi_cs_activate(struct spi_slave *slave) +static void spi_cs_activate(const struct spi_slave *slave) { struct rockchip_spi *regs = to_rockchip_spi(slave)->regs; setbits_le32(®s->ser, 1); } -static void spi_cs_deactivate(struct spi_slave *slave) +static void spi_cs_deactivate(const struct spi_slave *slave) { struct rockchip_spi *regs = to_rockchip_spi(slave)->regs; clrbits_le32(®s->ser, 1); @@ -157,13 +157,13 @@ void rockchip_spi_set_sample_delay(unsigned int bus, unsigned int delay_ns) rsd << SPI_RXDSD_OFFSET); } -int spi_claim_bus(struct spi_slave *slave) +int spi_claim_bus(const struct spi_slave *slave) { spi_cs_activate(slave); return 0; } -void spi_release_bus(struct spi_slave *slave) +void spi_release_bus(const struct spi_slave *slave) { spi_cs_deactivate(slave); } @@ -203,11 +203,11 @@ static void set_transfer_mode(struct rockchip_spi *regs, /* returns 0 to indicate success, <0 otherwise */ static int do_xfer(struct rockchip_spi *regs, bool use_16bit, const void *dout, - unsigned int *bytes_out, void *din, unsigned int *bytes_in) + size_t *bytes_out, void *din, size_t *bytes_in) { uint8_t *in_buf = din; uint8_t *out_buf = (uint8_t *)dout; - unsigned int min_xfer; + size_t min_xfer; if (*bytes_out == 0) min_xfer = *bytes_in; @@ -268,8 +268,8 @@ unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len) return min(65535, buf_len); } -int spi_xfer(struct spi_slave *slave, const void *dout, - unsigned int bytes_out, void *din, unsigned int bytes_in) +int spi_xfer(const struct spi_slave *slave, const void *dout, + size_t bytes_out, void *din, size_t bytes_in) { struct rockchip_spi *regs = to_rockchip_spi(slave)->regs; int ret = 0; @@ -283,10 +283,10 @@ int spi_xfer(struct spi_slave *slave, const void *dout, * seems to work fine. */ while (bytes_out || bytes_in) { - unsigned int in_now = MIN(bytes_in, 0xfffe); - unsigned int out_now = MIN(bytes_out, 0xfffe); - unsigned int in_rem, out_rem; - unsigned int mask; + size_t in_now = MIN(bytes_in, 0xfffe); + size_t out_now = MIN(bytes_out, 0xfffe); + size_t in_rem, out_rem; + size_t mask; bool use_16bit; rockchip_spi_enable_chip(regs, 0); @@ -324,13 +324,13 @@ int spi_xfer(struct spi_slave *slave, const void *dout, break; if (bytes_out) { - unsigned int sent = out_now - out_rem; + size_t sent = out_now - out_rem; bytes_out -= sent; dout += sent; } if (bytes_in) { - unsigned int received = in_now - in_rem; + size_t received = in_now - in_rem; bytes_in -= received; din += received; } |