Use memcpy instead of raw casts in sdmmc.c

This commit is contained in:
TuxSH 2018-05-19 01:33:07 +02:00
parent b4eeddd7e1
commit 2bc2fe1452

View file

@ -1274,7 +1274,7 @@ static int sdmmc_handle_cpu_transfer(struct mmc *mmc, uint16_t blocks, bool is_w
// Handle unaligned buffers
uint32_t w;
uint8_t *data = (uint8_t *)buffer;
w = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
memcpy(&w, data, 4);
mmc->regs->buffer = w;
} else {
mmc->regs->buffer = *buffer;
@ -1284,10 +1284,7 @@ static int sdmmc_handle_cpu_transfer(struct mmc *mmc, uint16_t blocks, bool is_w
// Handle unaligned buffers
uint32_t w = mmc->regs->buffer;
uint8_t *data = (uint8_t *)buffer;
data[0] = w & 0xFF;
data[1] = (w >> 8) & 0xFF;
data[2] = (w >> 16) & 0xFF;
data[3] = (w >> 24) & 0xFF;
memcpy(&w, data, 4);
} else {
*buffer = mmc->regs->buffer;
}