提交 23d30f02 编写于 作者: B Ben Hutchings 提交者: David S. Miller

sfc: Change SPI lengths to type size_t

Based on a patch by Andrew Morton.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a17102b1
......@@ -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,
......
......@@ -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);
......
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