From: Mark Brown broonie@linaro.org
On 64 bit systems integers are generally still 32 bit but long values and pointers are usually 64 bit. GCC warns when casting a 64 bit pointer into a 32 bit integer so cast to a long instead in order to avoid warnings.
Signed-off-by: Mark Brown broonie@linaro.org --- drivers/spi/spi-atmel.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 1fb90dd..113c83f 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1012,7 +1012,7 @@ static int atmel_spi_setup(struct spi_device *spi) csr |= SPI_BF(DLYBCT, 0);
/* chipselect must have been muxed as GPIO (e.g. in board setup) */ - npcs_pin = (unsigned int)spi->controller_data; + npcs_pin = (unsigned long)spi->controller_data;
if (gpio_is_valid(spi->cs_gpio)) npcs_pin = spi->cs_gpio; @@ -1247,7 +1247,7 @@ msg_done: static void atmel_spi_cleanup(struct spi_device *spi) { struct atmel_spi_device *asd = spi->controller_state; - unsigned gpio = (unsigned) spi->controller_data; + unsigned gpio = (unsigned long) spi->controller_data;
if (!asd) return;