Drop old MMC pwrseq code and use new pwrseq subsystem instead. Individual drivers are already ported to new subsystem.
Signed-off-by: Dmitry Baryshkov <[email protected]> --- drivers/mmc/core/Makefile | 1 - drivers/mmc/core/core.c | 9 ++- drivers/mmc/core/host.c | 8 ++- drivers/mmc/core/mmc.c | 3 +- drivers/mmc/core/pwrseq.c | 117 -------------------------------------- drivers/mmc/core/pwrseq.h | 58 ------------------- include/linux/mmc/host.h | 4 +- 7 files changed, 12 insertions(+), 188 deletions(-) delete mode 100644 drivers/mmc/core/pwrseq.c delete mode 100644 drivers/mmc/core/pwrseq.h diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile index 322eb69bd00e..a504d873cf8e 100644 --- a/drivers/mmc/core/Makefile +++ b/drivers/mmc/core/Makefile @@ -9,7 +9,6 @@ mmc_core-y := core.o bus.o host.o \ sdio.o sdio_ops.o sdio_bus.o \ sdio_cis.o sdio_io.o sdio_irq.o \ slot-gpio.o regulator.o -mmc_core-$(CONFIG_OF) += pwrseq.o mmc_core-$(CONFIG_DEBUG_FS) += debugfs.o obj-$(CONFIG_MMC_BLOCK) += mmc_block.o mmc_block-objs := block.o queue.o diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 95fedcf56e4a..c468af900a45 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -41,7 +41,6 @@ #include "bus.h" #include "host.h" #include "sdio_bus.h" -#include "pwrseq.h" #include "mmc_ops.h" #include "sd_ops.h" @@ -1321,7 +1320,7 @@ void mmc_power_up(struct mmc_host *host, u32 ocr) if (host->ios.power_mode == MMC_POWER_ON) return; - mmc_pwrseq_pre_power_on(host); + pwrseq_pre_power_on(host->pwrseq); host->ios.vdd = fls(ocr) - 1; host->ios.power_mode = MMC_POWER_UP; @@ -1336,7 +1335,7 @@ void mmc_power_up(struct mmc_host *host, u32 ocr) */ mmc_delay(host->ios.power_delay_ms); - mmc_pwrseq_post_power_on(host); + pwrseq_power_on(host->pwrseq); host->ios.clock = host->f_init; @@ -1355,7 +1354,7 @@ void mmc_power_off(struct mmc_host *host) if (host->ios.power_mode == MMC_POWER_OFF) return; - mmc_pwrseq_power_off(host); + pwrseq_power_off(host->pwrseq); host->ios.clock = 0; host->ios.vdd = 0; @@ -1985,7 +1984,7 @@ EXPORT_SYMBOL(mmc_set_blocklen); static void mmc_hw_reset_for_init(struct mmc_host *host) { - mmc_pwrseq_reset(host); + pwrseq_reset(host->pwrseq); if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset) return; diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 0475d96047c4..214b9cfda723 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -28,7 +28,6 @@ #include "crypto.h" #include "host.h" #include "slot-gpio.h" -#include "pwrseq.h" #include "sdio_ops.h" #define cls_dev_to_mmc_host(d) container_of(d, struct mmc_host, class_dev) @@ -413,7 +412,11 @@ int mmc_of_parse(struct mmc_host *host) device_property_read_u32(dev, "post-power-on-delay-ms", &host->ios.power_delay_ms); - return mmc_pwrseq_alloc(host); + host->pwrseq = devm_pwrseq_get_optional(dev, "mmc"); + if (IS_ERR(host->pwrseq)) + return PTR_ERR(host->pwrseq); + + return 0; } EXPORT_SYMBOL(mmc_of_parse); @@ -632,7 +635,6 @@ EXPORT_SYMBOL(mmc_remove_host); */ void mmc_free_host(struct mmc_host *host) { - mmc_pwrseq_free(host); put_device(&host->class_dev); } diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 838726b68ff3..59d0d26bb5c0 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -24,7 +24,6 @@ #include "mmc_ops.h" #include "quirks.h" #include "sd_ops.h" -#include "pwrseq.h" #define DEFAULT_CMD6_TIMEOUT_MS 500 #define MIN_CACHE_EN_TIMEOUT_MS 1600 @@ -2220,7 +2219,7 @@ static int _mmc_hw_reset(struct mmc_host *host) } else { /* Do a brute force power cycle */ mmc_power_cycle(host, card->ocr); - mmc_pwrseq_reset(host); + pwrseq_reset(host->pwrseq); } return mmc_init_card(host, card->ocr, card); } diff --git a/drivers/mmc/core/pwrseq.c b/drivers/mmc/core/pwrseq.c deleted file mode 100644 index ef675f364bf0..000000000000 --- a/drivers/mmc/core/pwrseq.c +++ /dev/null @@ -1,117 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2014 Linaro Ltd - * - * Author: Ulf Hansson <[email protected]> - * - * MMC power sequence management - */ -#include <linux/kernel.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/of.h> - -#include <linux/mmc/host.h> - -#include "pwrseq.h" - -static DEFINE_MUTEX(pwrseq_list_mutex); -static LIST_HEAD(pwrseq_list); - -int mmc_pwrseq_alloc(struct mmc_host *host) -{ - struct device_node *np; - struct mmc_pwrseq *p; - - np = of_parse_phandle(host->parent->of_node, "mmc-pwrseq", 0); - if (!np) - return 0; - - mutex_lock(&pwrseq_list_mutex); - list_for_each_entry(p, &pwrseq_list, pwrseq_node) { - if (p->dev->of_node == np) { - if (!try_module_get(p->owner)) - dev_err(host->parent, - "increasing module refcount failed\n"); - else - host->pwrseq = p; - - break; - } - } - - of_node_put(np); - mutex_unlock(&pwrseq_list_mutex); - - if (!host->pwrseq) - return -EPROBE_DEFER; - - dev_info(host->parent, "allocated mmc-pwrseq\n"); - - return 0; -} - -void mmc_pwrseq_pre_power_on(struct mmc_host *host) -{ - struct mmc_pwrseq *pwrseq = host->pwrseq; - - if (pwrseq && pwrseq->ops->pre_power_on) - pwrseq->ops->pre_power_on(host); -} - -void mmc_pwrseq_post_power_on(struct mmc_host *host) -{ - struct mmc_pwrseq *pwrseq = host->pwrseq; - - if (pwrseq && pwrseq->ops->post_power_on) - pwrseq->ops->post_power_on(host); -} - -void mmc_pwrseq_power_off(struct mmc_host *host) -{ - struct mmc_pwrseq *pwrseq = host->pwrseq; - - if (pwrseq && pwrseq->ops->power_off) - pwrseq->ops->power_off(host); -} - -void mmc_pwrseq_reset(struct mmc_host *host) -{ - struct mmc_pwrseq *pwrseq = host->pwrseq; - - if (pwrseq && pwrseq->ops->reset) - pwrseq->ops->reset(host); -} - -void mmc_pwrseq_free(struct mmc_host *host) -{ - struct mmc_pwrseq *pwrseq = host->pwrseq; - - if (pwrseq) { - module_put(pwrseq->owner); - host->pwrseq = NULL; - } -} - -int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq) -{ - if (!pwrseq || !pwrseq->ops || !pwrseq->dev) - return -EINVAL; - - mutex_lock(&pwrseq_list_mutex); - list_add(&pwrseq->pwrseq_node, &pwrseq_list); - mutex_unlock(&pwrseq_list_mutex); - - return 0; -} -EXPORT_SYMBOL_GPL(mmc_pwrseq_register); - -void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq) -{ - if (pwrseq) { - mutex_lock(&pwrseq_list_mutex); - list_del(&pwrseq->pwrseq_node); - mutex_unlock(&pwrseq_list_mutex); - } -} -EXPORT_SYMBOL_GPL(mmc_pwrseq_unregister); diff --git a/drivers/mmc/core/pwrseq.h b/drivers/mmc/core/pwrseq.h deleted file mode 100644 index f3bb103db9ad..000000000000 --- a/drivers/mmc/core/pwrseq.h +++ /dev/null @@ -1,58 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2014 Linaro Ltd - * - * Author: Ulf Hansson <[email protected]> - */ -#ifndef _MMC_CORE_PWRSEQ_H -#define _MMC_CORE_PWRSEQ_H - -#include <linux/types.h> - -struct mmc_host; -struct device; -struct module; - -struct mmc_pwrseq_ops { - void (*pre_power_on)(struct mmc_host *host); - void (*post_power_on)(struct mmc_host *host); - void (*power_off)(struct mmc_host *host); - void (*reset)(struct mmc_host *host); -}; - -struct mmc_pwrseq { - const struct mmc_pwrseq_ops *ops; - struct device *dev; - struct list_head pwrseq_node; - struct module *owner; -}; - -#ifdef CONFIG_OF - -int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq); -void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq); - -int mmc_pwrseq_alloc(struct mmc_host *host); -void mmc_pwrseq_pre_power_on(struct mmc_host *host); -void mmc_pwrseq_post_power_on(struct mmc_host *host); -void mmc_pwrseq_power_off(struct mmc_host *host); -void mmc_pwrseq_reset(struct mmc_host *host); -void mmc_pwrseq_free(struct mmc_host *host); - -#else - -static inline int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq) -{ - return -ENOSYS; -} -static inline void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq) {} -static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; } -static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {} -static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {} -static inline void mmc_pwrseq_power_off(struct mmc_host *host) {} -static inline void mmc_pwrseq_reset(struct mmc_host *host) {} -static inline void mmc_pwrseq_free(struct mmc_host *host) {} - -#endif - -#endif diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0abd47e9ef9b..1673e37f6028 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -16,6 +16,7 @@ #include <linux/mmc/pm.h> #include <linux/dma-direction.h> #include <linux/keyslot-manager.h> +#include <linux/pwrseq/consumer.h> struct mmc_ios { unsigned int clock; /* clock rate */ @@ -278,7 +279,6 @@ struct mmc_context_info { }; struct regulator; -struct mmc_pwrseq; struct mmc_supply { struct regulator *vmmc; /* Card power supply */ @@ -294,7 +294,7 @@ struct mmc_host { struct device class_dev; int index; const struct mmc_host_ops *ops; - struct mmc_pwrseq *pwrseq; + struct pwrseq *pwrseq; unsigned int f_min; unsigned int f_max; unsigned int f_init; -- 2.33.0 _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
