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authorBen Hutchings <bhutchings@solarflare.com>2008-12-12 21:56:11 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-12 21:56:11 -0800
commit23d30f027d1e8ad3bcd6192613122ce925947563 (patch)
tree3de1d9ed2940e68a52c6933ec73145b44a0f34b9
parenta17102b1ba847ca31d9151b877fbf9a38a39a8bb (diff)
downloadlinux-23d30f027d1e8ad3bcd6192613122ce925947563.tar.bz2
sfc: Change SPI lengths to type size_t
Based on a patch by Andrew Morton. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/sfc/falcon.c19
-rw-r--r--drivers/net/sfc/spi.h2
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 71e0bed60616..271cbf8980ad 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1605,7 +1605,7 @@ void falcon_fini_interrupt(struct efx_nic *efx)
**************************************************************************
*/
-#define FALCON_SPI_MAX_LEN ((unsigned) sizeof(efx_oword_t))
+#define FALCON_SPI_MAX_LEN sizeof(efx_oword_t)
/* Wait for SPI command completion */
static int falcon_spi_wait(struct efx_nic *efx)
@@ -1630,7 +1630,7 @@ static int falcon_spi_wait(struct efx_nic *efx)
int falcon_spi_cmd(const struct efx_spi_device *spi,
unsigned int command, int address,
- const void *in, void *out, unsigned int len)
+ const void *in, void *out, size_t len)
{
struct efx_nic *efx = spi->efx;
bool addressed = (address >= 0);
@@ -1686,8 +1686,8 @@ int falcon_spi_cmd(const struct efx_spi_device *spi,
return 0;
}
-static unsigned int
-falcon_spi_write_limit(const struct efx_spi_device *spi, unsigned int start)
+static size_t
+falcon_spi_write_limit(const struct efx_spi_device *spi, size_t start)
{
return min(FALCON_SPI_MAX_LEN,
(spi->block_size - (start & (spi->block_size - 1))));
@@ -1725,12 +1725,12 @@ int falcon_spi_fast_wait(const struct efx_spi_device *spi)
int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
size_t len, size_t *retlen, u8 *buffer)
{
- unsigned int command, block_len, pos = 0;
+ size_t block_len, pos = 0;
+ unsigned int command;
int rc = 0;
while (pos < len) {
- block_len = min((unsigned int)len - pos,
- FALCON_SPI_MAX_LEN);
+ block_len = min(len - pos, FALCON_SPI_MAX_LEN);
command = efx_spi_munge_command(spi, SPI_READ, start + pos);
rc = falcon_spi_cmd(spi, command, start + pos, NULL,
@@ -1756,7 +1756,8 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
size_t len, size_t *retlen, const u8 *buffer)
{
u8 verify_buffer[FALCON_SPI_MAX_LEN];
- unsigned int command, block_len, pos = 0;
+ size_t block_len, pos = 0;
+ unsigned int command;
int rc = 0;
while (pos < len) {
@@ -1764,7 +1765,7 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start,
if (rc)
break;
- block_len = min((unsigned int)len - pos,
+ block_len = min(len - pos,
falcon_spi_write_limit(spi, start + pos));
command = efx_spi_munge_command(spi, SPI_WRITE, start + pos);
rc = falcon_spi_cmd(spi, command, start + pos,
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h
index c4aca132348a..38e22ff4d7af 100644
--- a/drivers/net/sfc/spi.h
+++ b/drivers/net/sfc/spi.h
@@ -68,7 +68,7 @@ struct efx_spi_device {
};
int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command,
- int address, const void* in, void *out, unsigned int len);
+ int address, const void* in, void *out, size_t len);
int falcon_spi_fast_wait(const struct efx_spi_device *spi);
int falcon_spi_read(const struct efx_spi_device *spi, loff_t start,
size_t len, size_t *retlen, u8 *buffer);