diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 7d81fbd7f8..45e73d28e4 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -12,7 +12,7 @@ int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen) { if (wordlen == 0 || wordlen > 32) { - printf("spi: invalid wordlen %d\n", wordlen); + printf("spi: invalid wordlen %u\n", wordlen); return -1; } @@ -24,11 +24,12 @@ int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen) void *spi_do_alloc_slave(int offset, int size, unsigned int bus, unsigned int cs) { - struct spi_slave *slave; - void *ptr; + u8 *ptr; ptr = malloc(size); if (ptr) { + struct spi_slave *slave; + memset(ptr, '\0', size); slave = (struct spi_slave *)(ptr + offset); slave->bus = bus; @@ -38,23 +39,3 @@ void *spi_do_alloc_slave(int offset, int size, unsigned int bus, return ptr; } - -#ifdef CONFIG_OF_SPI -struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, - int node) -{ - int cs, max_hz, mode = 0; - - cs = fdtdec_get_int(blob, node, "reg", -1); - max_hz = fdtdec_get_int(blob, node, "spi-max-frequency", 100000); - if (fdtdec_get_bool(blob, node, "spi-cpol")) - mode |= SPI_CPOL; - if (fdtdec_get_bool(blob, node, "spi-cpha")) - mode |= SPI_CPHA; - if (fdtdec_get_bool(blob, node, "spi-cs-high")) - mode |= SPI_CS_HIGH; - if (fdtdec_get_bool(blob, node, "spi-half-duplex")) - mode |= SPI_PREAMBLE; - return spi_setup_slave(busnum, cs, max_hz, mode); -} -#endif |