diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-msm.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 9d8e20dc8ca1..4e5edbf2fc9b 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -81,6 +81,7 @@ #define CORE_IO_PAD_PWR_SWITCH_EN BIT(15) #define CORE_IO_PAD_PWR_SWITCH BIT(16) #define CORE_HC_SELECT_IN_EN BIT(18) +#define CORE_HC_SELECT_IN_SDR50 (4 << 19) #define CORE_HC_SELECT_IN_HS400 (6 << 19) #define CORE_HC_SELECT_IN_MASK (7 << 19) @@ -1133,6 +1134,10 @@ static bool sdhci_msm_is_tuning_needed(struct sdhci_host *host) { struct mmc_ios *ios = &host->mmc->ios; + if (ios->timing == MMC_TIMING_UHS_SDR50 && + host->flags & SDHCI_SDR50_NEEDS_TUNING) + return true; + /* * Tuning is required for SDR104, HS200 and HS400 cards and * if clock frequency is greater than 100MHz in these modes. @@ -1201,6 +1206,8 @@ static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode) struct mmc_ios ios = host->mmc->ios; struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + const struct sdhci_msm_offset *msm_offset = msm_host->offset; + u32 config; if (!sdhci_msm_is_tuning_needed(host)) { msm_host->use_cdr = false; @@ -1217,6 +1224,14 @@ static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode) */ msm_host->tuning_done = 0; + if (ios.timing == MMC_TIMING_UHS_SDR50 && + host->flags & SDHCI_SDR50_NEEDS_TUNING) { + config = readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec); + config &= ~CORE_HC_SELECT_IN_MASK; + config |= CORE_HC_SELECT_IN_EN | CORE_HC_SELECT_IN_SDR50; + writel_relaxed(config, host->ioaddr + msm_offset->core_vendor_spec); + } + /* * For HS400 tuning in HS200 timing requires: * - select MCLK/2 in VENDOR_SPEC @@ -1943,7 +1958,7 @@ static void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host) qcom_ice_enable(msm_host->ice); } -static __maybe_unused int sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host) +static int sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host) { if (msm_host->mmc->caps2 & MMC_CAP2_CRYPTO) return qcom_ice_resume(msm_host->ice); @@ -1951,7 +1966,7 @@ static __maybe_unused int sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host) return 0; } -static __maybe_unused int sdhci_msm_ice_suspend(struct sdhci_msm_host *msm_host) +static int sdhci_msm_ice_suspend(struct sdhci_msm_host *msm_host) { if (msm_host->mmc->caps2 & MMC_CAP2_CRYPTO) return qcom_ice_suspend(msm_host->ice); @@ -2011,13 +2026,13 @@ static inline void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host) { } -static inline __maybe_unused int +static inline int sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host) { return 0; } -static inline __maybe_unused int +static inline int sdhci_msm_ice_suspend(struct sdhci_msm_host *msm_host) { return 0; @@ -2801,7 +2816,7 @@ static void sdhci_msm_remove(struct platform_device *pdev) clk_disable_unprepare(msm_host->bus_clk); } -static __maybe_unused int sdhci_msm_runtime_suspend(struct device *dev) +static int sdhci_msm_runtime_suspend(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -2820,7 +2835,7 @@ static __maybe_unused int sdhci_msm_runtime_suspend(struct device *dev) return sdhci_msm_ice_suspend(msm_host); } -static __maybe_unused int sdhci_msm_runtime_resume(struct device *dev) +static int sdhci_msm_runtime_resume(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -2856,11 +2871,8 @@ static __maybe_unused int sdhci_msm_runtime_resume(struct device *dev) } static const struct dev_pm_ops sdhci_msm_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) - SET_RUNTIME_PM_OPS(sdhci_msm_runtime_suspend, - sdhci_msm_runtime_resume, - NULL) + SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) + RUNTIME_PM_OPS(sdhci_msm_runtime_suspend, sdhci_msm_runtime_resume, NULL) }; static struct platform_driver sdhci_msm_driver = { @@ -2869,7 +2881,7 @@ static struct platform_driver sdhci_msm_driver = { .driver = { .name = "sdhci_msm", .of_match_table = sdhci_msm_dt_match, - .pm = &sdhci_msm_pm_ops, + .pm = pm_ptr(&sdhci_msm_pm_ops), .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; |