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drivers/mmc: Read crc for data commands #3695

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Merged
kasjer merged 2 commits into from
Jul 6, 2026
+4 −1
Merged

drivers/mmc: Read crc for data commands #3695

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922b943
drivers/mmc: Read crc for data commands
kasjer Jul 3, 2026
95f87c4
driver/mmc: Fix stack corruption on error formating
kasjer Jul 3, 2026
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5 changes: 4 additions & 1 deletion hw/drivers/mmc/src/mmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -250,7 +250,7 @@ send_mmc_cmd(mmc_disk_t *mmc, sd_cmd_t cmd, uint32_t payload)
uint16_t status;
uint8_t crc;
uint8_t buf[6];
char strbuf[30];
char strbuf[90];

mmc_led_on();

Expand Down Expand Up @@ -360,6 +360,7 @@ mmc_cmd_receive_data(mmc_disk_t *mmc, uint8_t cmd, uint32_t payload,
{
int status;
uint8_t res;
uint8_t crc[2];

mmc_spi_set_cs(mmc, 0);

Expand All @@ -372,6 +373,8 @@ mmc_cmd_receive_data(mmc_disk_t *mmc, uint8_t cmd, uint32_t payload,
}
}

mmc_spi_rx(mmc, crc, 2);

mmc_spi_set_cs(mmc, 1);

mmc_send_extra_clocks(mmc);
Expand Down
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