/* * If idle time bkops is running on the card, let's not get * into suspend. */ if (mmc_card_doing_bkops(card) && mmc_card_is_prog_state(card)) return -EBUSY; else return 0; } else { return mmc_power_save_host(card->host); } } static int mmc_runtime_resume(struct device *dev) { struct mmc_card *card = mmc_dev_to_card(dev); if (mmc_use_core_runtime_pm(card->host)) return 0; else return mmc_power_restore_host(card->host); } #ifdef CONFIG_MMC_SD_PENDING_RESUME_CUST_SH extern bool sh_mmc_pending_resume; #endif /* CONFIG_MMC_SD_PENDING_RESUME_CUST_SH */ static int mmc_runtime_idle(struct device *dev) { struct mmc_card *card = mmc_dev_to_card(dev); struct mmc_host *host = card->host; int ret = 0; if (mmc_use_core_runtime_pm(card->host)) { #ifdef CONFIG_PM_EMMC_CUST_SH if( !(host->card && mmc_card_mmc( host->card )) ) { #endif /* CONFIG_PM_EMMC_CUST_SH */ #ifdef CONFIG_MMC_SD_PENDING_RESUME_CUST_SH if( (host->card && mmc_card_sd( host->card )) && sh_mmc_pending_resume == false ) { #endif /* CONFIG_MMC_SD_PENDING_RESUME_CUST_SH */ ret = pm_schedule_suspend(dev, card->idle_timeout); if (ret) { pr_err("%s: %s: pm_schedule_suspend failed: err: %d\n", mmc_hostname(host), __func__, ret); return ret; } #ifdef CONFIG_MMC_SD_PENDING_RESUME_CUST_SH } #endif /* CONFIG_MMC_SD_PENDING_RESUME_CUST_SH */ #ifdef CONFIG_PM_EMMC_CUST_SH } #endif /* CONFIG_PM_EMMC_CUST_SH */ } return ret; }
static int mmc_runtime_resume(struct device *dev) { struct mmc_card *card = mmc_dev_to_card(dev); if (mmc_use_core_runtime_pm(card->host)) return 0; else return mmc_power_restore_host(card->host); }
static int mmc_runtime_suspend(struct device *dev) { struct mmc_card *card = mmc_dev_to_card(dev); if (mmc_use_core_runtime_pm(card->host)) { /* * If idle time bkops is running on the card, let's not get * into suspend. */ if (mmc_card_doing_bkops(card) && mmc_card_is_prog_state(card)) return -EBUSY; else return 0; } else { return mmc_power_save_host(card->host); } }
/* * Register a new MMC card with the driver model. */ int mmc_add_card(struct mmc_card *card) { int ret; const char *type; const char *uhs_bus_speed_mode = ""; static const char *const uhs_speeds[] = { [UHS_SDR12_BUS_SPEED] = "SDR12 ", [UHS_SDR25_BUS_SPEED] = "SDR25 ", [UHS_SDR50_BUS_SPEED] = "SDR50 ", [UHS_SDR104_BUS_SPEED] = "SDR104 ", [UHS_DDR50_BUS_SPEED] = "DDR50 ", }; dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca); switch (card->type) { case MMC_TYPE_MMC: type = "MMC"; break; case MMC_TYPE_SD: type = "SD"; if (mmc_card_blockaddr(card)) { if (mmc_card_ext_capacity(card)) type = "SDXC"; else type = "SDHC"; } break; case MMC_TYPE_SDIO: type = "SDIO"; break; case MMC_TYPE_SD_COMBO: type = "SD-combo"; if (mmc_card_blockaddr(card)) type = "SDHC-combo"; break; default: type = "?"; break; } if (mmc_sd_card_uhs(card) && (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds))) uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed]; if (mmc_host_is_spi(card->host)) { pr_info("%s: new %s%s%s card on SPI\n", mmc_hostname(card->host), mmc_card_highspeed(card) ? "high speed " : "", mmc_card_ddr_mode(card) ? "DDR " : "", type); } else { pr_info("%s: new %s%s%s%s%s card at address %04x\n", mmc_hostname(card->host), mmc_card_uhs(card) ? "ultra high speed " : (mmc_card_highspeed(card) ? "high speed " : ""), (mmc_card_hs200(card) ? "HS200 " : ""), mmc_card_ddr_mode(card) ? "DDR " : "", uhs_bus_speed_mode, type, card->rca); } #ifdef CONFIG_DEBUG_FS mmc_add_card_debugfs(card); #endif mmc_init_context_info(card->host); if (mmc_use_core_runtime_pm(card->host)) { ret = pm_runtime_set_active(&card->dev); if (ret) pr_err("%s: %s: failed setting runtime active: ret: %d\n", mmc_hostname(card->host), __func__, ret); else pm_runtime_enable(&card->dev); } ret = device_add(&card->dev); if (ret) return ret; if (mmc_use_core_runtime_pm(card->host)) { card->rpm_attrib.show = show_rpm_delay; card->rpm_attrib.store = store_rpm_delay; sysfs_attr_init(&card->rpm_attrib.attr); card->rpm_attrib.attr.name = "runtime_pm_timeout"; card->rpm_attrib.attr.mode = S_IRUGO | S_IWUSR; ret = device_create_file(&card->dev, &card->rpm_attrib); if (ret) pr_err("%s: %s: creating runtime pm sysfs entry: failed: %d\n", mmc_hostname(card->host), __func__, ret); /* Default timeout is 10 seconds */ card->idle_timeout = RUNTIME_SUSPEND_DELAY_MS; } mmc_card_set_present(card); return 0; }
/* * Register a new MMC card with the driver model. */ int mmc_add_card(struct mmc_card *card) { int ret; const char *type; const char *uhs_bus_speed_mode = ""; static const char *const uhs_speeds[] = { [UHS_SDR12_BUS_SPEED] = "SDR12 ", [UHS_SDR25_BUS_SPEED] = "SDR25 ", [UHS_SDR50_BUS_SPEED] = "SDR50 ", [UHS_SDR104_BUS_SPEED] = "SDR104 ", [UHS_DDR50_BUS_SPEED] = "DDR50 ", }; dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca); switch (card->type) { case MMC_TYPE_MMC: type = "MMC"; break; case MMC_TYPE_SD: type = "SD"; if (mmc_card_blockaddr(card)) { if (mmc_card_ext_capacity(card)) type = "SDXC"; else type = "SDHC"; } break; case MMC_TYPE_SDIO: type = "SDIO"; break; case MMC_TYPE_SD_COMBO: type = "SD-combo"; if (mmc_card_blockaddr(card)) type = "SDHC-combo"; break; default: type = "?"; break; } if (mmc_sd_card_uhs(card) && (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds))) uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed]; if (mmc_host_is_spi(card->host)) { pr_info("%s: new %s%s%s card on SPI\n", mmc_hostname(card->host), mmc_card_highspeed(card) ? "high speed " : "", mmc_card_ddr_mode(card) ? "DDR " : "", type); } else { pr_info("%s: new %s%s%s%s%s%s card at address %04x\n", mmc_hostname(card->host), mmc_card_uhs(card) ? "ultra high speed " : (mmc_card_highspeed(card) ? "high speed " : ""), (mmc_card_hs400(card) ? "HS400 " : ""), (mmc_card_hs200(card) ? "HS200 " : ""), mmc_card_ddr_mode(card) ? "DDR " : "", uhs_bus_speed_mode, type, card->rca); } #ifdef CONFIG_MACH_LGE /* LGE_CHANGE * Adding Print for more information. * 2014-01-16, [email protected] */ printk(KERN_INFO "[LGE][MMC][%-18s( )] mmc_hostname:%s, type:%s\n", __func__, mmc_hostname(card->host), type); #endif #ifdef CONFIG_DEBUG_FS mmc_add_card_debugfs(card); #endif mmc_init_context_info(card->host); ret = pm_runtime_set_active(&card->dev); if (ret) pr_err("%s: %s: failed setting runtime active: ret: %d\n", mmc_hostname(card->host), __func__, ret); else if (!mmc_card_sdio(card) && mmc_use_core_runtime_pm(card->host)) pm_runtime_enable(&card->dev); if (mmc_card_sdio(card)) { ret = device_init_wakeup(&card->dev, true); if (ret) pr_err("%s: %s: failed to init wakeup: %d\n", mmc_hostname(card->host), __func__, ret); } ret = device_add(&card->dev); #ifdef CONFIG_MACH_LGE /* LGE_CHANGE * Adding Print for more information. * 2014-01-16, [email protected] */ if (ret) { printk(KERN_INFO "[LGE][MMC][%-18s( )] device_add & uevent posting fail!, ret:%d \n", __func__, ret); return ret; } else { printk(KERN_INFO "[LGE][MMC][%-18s( )] device_add & uevent posting complete!\n", __func__); } #else if (ret) return ret; #endif device_enable_async_suspend(&card->dev); if (mmc_use_core_runtime_pm(card->host) && !mmc_card_sdio(card)) { card->rpm_attrib.show = show_rpm_delay; card->rpm_attrib.store = store_rpm_delay; sysfs_attr_init(&card->rpm_attrib.attr); card->rpm_attrib.attr.name = "runtime_pm_timeout"; card->rpm_attrib.attr.mode = S_IRUGO | S_IWUSR; ret = device_create_file(&card->dev, &card->rpm_attrib); if (ret) pr_err("%s: %s: creating runtime pm sysfs entry: failed: %d\n", mmc_hostname(card->host), __func__, ret); /* Default timeout is 10 seconds */ card->idle_timeout = RUNTIME_SUSPEND_DELAY_MS; } mmc_card_set_present(card); return 0; }