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>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/soc/broadcom/cygnus/spi.c b/src/soc/broadcom/cygnus/spi.c
index d7c0a8d4a6..13b69765b2 100644
--- a/src/soc/broadcom/cygnus/spi.c
+++ b/src/soc/broadcom/cygnus/spi.c
@@ -156,7 +156,7 @@ static int mspi_enable(struct qspi_priv *priv)
 	return 0;
 }
 
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
 {
 	struct qspi_priv *priv = to_qspi_slave(slave);
 
@@ -175,7 +175,7 @@ int spi_claim_bus(struct spi_slave *slave)
 	return 0;
 }
 
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
 {
 	struct qspi_priv *priv = to_qspi_slave(slave);
 
@@ -189,8 +189,8 @@ void spi_release_bus(struct spi_slave *slave)
 #define RXRAM_8B(p, i)	(REG_RD((p)->reg + MSPI_RXRAM_REG + \
 				((((i) << 1) + 1) << 2)) & 0xff)
 
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytesout,
-	     void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout,
+	     void *din, size_t bytesin)
 {
 	struct qspi_priv *priv = to_qspi_slave(slave);
 	const u8 *tx = (const u8 *)dout;