That's how it looks like without CONFIG_MMC_SUPPORTS_TUNING before the
patch:
aarch64-buildroot-linux-gnu-ld.bfd: drivers/mmc/cv1800b_sdhci.o: in function `cv1800b_execute_tuning':
drivers/mmc/cv1800b_sdhci.c:47:(.text.cv1800b_execute_tuning+0x50): undefined reference to `mmc_send_tuning'
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Currently, only the receive delay is configured while the transmit delay
is not set, which may result in errors when writing to the file. This issue
can be resolved by setting PHY_TX_SRC_INVERT to SDHCI_PHY_TX_RX_DLY.
Signed-off-by: Kongyang Liu <seashell11234455@gmail.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
