From 23d30f027d1e8ad3bcd6192613122ce925947563 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Fri, 12 Dec 2008 21:56:11 -0800 Subject: [PATCH] sfc: Change SPI lengths to type size_t Based on a patch by Andrew Morton. Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- drivers/net/sfc/falcon.c | 19 ++++++++++--------- drivers/net/sfc/spi.h | 2 +- 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 71e0bed6061..271cbf8980a 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 c4aca132348..38e22ff4d7a 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); -- 2.20.1