diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 16 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index aba6e10b8605..613e1ab6cac4 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -934,21 +934,21 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd, /* * If the host controller provides us with an incorrect timeout - * value, just skip the check and use 0xE. The hardware may take + * value, just skip the check and use the maximum. The hardware may take * longer to time out, but that's much better than having a too-short * timeout value. */ if (host->quirks & SDHCI_QUIRK_BROKEN_TIMEOUT_VAL) - return 0xE; + return host->max_timeout_count; /* Unspecified command, asume max */ if (cmd == NULL) - return 0xE; + return host->max_timeout_count; data = cmd->data; /* Unspecified timeout, assume max */ if (!data && !cmd->busy_timeout) - return 0xE; + return host->max_timeout_count; /* timeout in us */ target_timeout = sdhci_target_timeout(host, cmd, data); @@ -968,15 +968,15 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd, while (current_timeout < target_timeout) { count++; current_timeout <<= 1; - if (count >= 0xF) + if (count > host->max_timeout_count) break; } - if (count >= 0xF) { + if (count > host->max_timeout_count) { if (!(host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT)) DBG("Too large timeout 0x%x requested for CMD%d!\n", count, cmd->opcode); - count = 0xE; + count = host->max_timeout_count; } else { *too_big = false; } @@ -3940,6 +3940,8 @@ struct sdhci_host *sdhci_alloc_host(struct device *dev, */ host->adma_table_cnt = SDHCI_MAX_SEGS * 2 + 1; + host->max_timeout_count = 0xE; + return host; } diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 074dc182b184..e8d04e42a5af 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -517,6 +517,7 @@ struct sdhci_host { unsigned int max_clk; /* Max possible freq (MHz) */ unsigned int timeout_clk; /* Timeout freq (KHz) */ + u8 max_timeout_count; /* Vendor specific max timeout count */ unsigned int clk_mul; /* Clock Muliplier value */ unsigned int clock; /* Current clock (MHz) */ |