Hi Siva,
2018-06-12 18:44 GMT+09:00 Siva Durga Prasad Paladugu sivadur@xilinx.com:
Hi Masahiro,
Can you please try with this below change and let me know if it works. In our case, we don’t want to read tuning pattern, instead it waits for TUNED_CLK bit to be set in host ctrl2 register. But, in your case, you want to read back the pattern data and compare it.
--- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -161,8 +161,8 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, /* We shouldn't wait for data inihibit for stop commands, even though they might use busy signaling */ if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION ||
cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)
((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200) && !data)) mask &= ~SDHCI_DATA_INHIBIT; while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {@@ -184,8 +184,8 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
mask = SDHCI_INT_RESPONSE;
if (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200)
if ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK ||cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200) && !data) mask = SDHCI_INT_DATA_AVAIL; if (!(cmd->resp_type & MMC_RSP_PRESENT))
Yes, it works. Thanks!