diff options
Diffstat (limited to 'drivers/mmc/host/rtsx_pci_sdmmc.c')
| -rw-r--r-- | drivers/mmc/host/rtsx_pci_sdmmc.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 41b57713b620..9de6a32f0c9f 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -551,9 +551,22 @@ static int sd_write_long_data(struct realtek_pci_sdmmc *host, return 0; } +static inline void sd_enable_initial_mode(struct realtek_pci_sdmmc *host) +{ + rtsx_pci_write_register(host->pcr, SD_CFG1, + SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_128); +} + +static inline void sd_disable_initial_mode(struct realtek_pci_sdmmc *host) +{ + rtsx_pci_write_register(host->pcr, SD_CFG1, + SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0); +} + static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq) { struct mmc_data *data = mrq->data; + int err; if (host->sg_count < 0) { data->error = host->sg_count; @@ -562,22 +575,19 @@ static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq) return data->error; } - if (data->flags & MMC_DATA_READ) - return sd_read_long_data(host, mrq); + if (data->flags & MMC_DATA_READ) { + if (host->initial_mode) + sd_disable_initial_mode(host); - return sd_write_long_data(host, mrq); -} + err = sd_read_long_data(host, mrq); -static inline void sd_enable_initial_mode(struct realtek_pci_sdmmc *host) -{ - rtsx_pci_write_register(host->pcr, SD_CFG1, - SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_128); -} + if (host->initial_mode) + sd_enable_initial_mode(host); -static inline void sd_disable_initial_mode(struct realtek_pci_sdmmc *host) -{ - rtsx_pci_write_register(host->pcr, SD_CFG1, - SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0); + return err; + } + + return sd_write_long_data(host, mrq); } static void sd_normal_rw(struct realtek_pci_sdmmc *host, |