From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Mark Brown <broonie@kernel.org>, Takashi Iwai <tiwai@suse.com>, Jaroslav Kysela <perex@perex.cz>, Philipp Zabel <p.zabel@pengutronix.de>, Paul Fertser <fercerpav@gmail.com> Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/5] reset: Allow devm_reset_control_array_get() to get resets in a released state Date: Tue, 2 Mar 2021 14:21:19 +0300 [thread overview] Message-ID: <20210302112123.24161-2-digetx@gmail.com> (raw) In-Reply-To: <20210302112123.24161-1-digetx@gmail.com> Allow devm_reset_control_array_get() to get resets in a released state in order to make it possible to extend reset-API with resource-managed variants of retrieving resets array in a released state. In particular this is needed by NVIDIA Tegra drivers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/reset/core.c | 8 ++++++-- include/linux/reset.h | 14 ++++++++------ 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/reset/core.c b/drivers/reset/core.c index dbf881b586d9..f36de3d3849b 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -985,6 +985,8 @@ EXPORT_SYMBOL_GPL(of_reset_control_array_get); * @dev: device that requests the list of reset controls * @shared: whether reset controls are shared or not * @optional: whether it is optional to get the reset controls + * @acquired: only one reset control may be acquired for a given controller + * and ID * * The reset control array APIs are intended for a list of resets * that just have to be asserted or deasserted, without any @@ -993,7 +995,8 @@ EXPORT_SYMBOL_GPL(of_reset_control_array_get); * Returns pointer to allocated reset_control on success or error on failure */ struct reset_control * -devm_reset_control_array_get(struct device *dev, bool shared, bool optional) +devm_reset_control_array_get(struct device *dev, bool shared, bool optional, + bool acquired) { struct reset_control **ptr, *rstc; @@ -1002,7 +1005,8 @@ devm_reset_control_array_get(struct device *dev, bool shared, bool optional) if (!ptr) return ERR_PTR(-ENOMEM); - rstc = of_reset_control_array_get(dev->of_node, shared, optional, true); + rstc = of_reset_control_array_get(dev->of_node, shared, optional, + acquired); if (IS_ERR_OR_NULL(rstc)) { devres_free(ptr); return rstc; diff --git a/include/linux/reset.h b/include/linux/reset.h index b9109efa2a5c..3bee086f1f06 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -33,7 +33,8 @@ struct reset_control *__devm_reset_control_get(struct device *dev, bool optional, bool acquired); struct reset_control *devm_reset_control_array_get(struct device *dev, - bool shared, bool optional); + bool shared, bool optional, + bool acquired); struct reset_control *of_reset_control_array_get(struct device_node *np, bool shared, bool optional, bool acquired); @@ -105,7 +106,8 @@ static inline struct reset_control *__devm_reset_control_get( } static inline struct reset_control * -devm_reset_control_array_get(struct device *dev, bool shared, bool optional) +devm_reset_control_array_get(struct device *dev, bool shared, bool optional, + bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } @@ -511,25 +513,25 @@ static inline struct reset_control *devm_reset_control_get_by_index( static inline struct reset_control * devm_reset_control_array_get_exclusive(struct device *dev) { - return devm_reset_control_array_get(dev, false, false); + return devm_reset_control_array_get(dev, false, false, true); } static inline struct reset_control * devm_reset_control_array_get_shared(struct device *dev) { - return devm_reset_control_array_get(dev, true, false); + return devm_reset_control_array_get(dev, true, false, true); } static inline struct reset_control * devm_reset_control_array_get_optional_exclusive(struct device *dev) { - return devm_reset_control_array_get(dev, false, true); + return devm_reset_control_array_get(dev, false, true, true); } static inline struct reset_control * devm_reset_control_array_get_optional_shared(struct device *dev) { - return devm_reset_control_array_get(dev, true, true); + return devm_reset_control_array_get(dev, true, true, true); } static inline struct reset_control * -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Mark Brown <broonie@kernel.org>, Takashi Iwai <tiwai@suse.com>, Jaroslav Kysela <perex@perex.cz>, Philipp Zabel <p.zabel@pengutronix.de>, Paul Fertser <fercerpav@gmail.com> Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/5] reset: Allow devm_reset_control_array_get() to get resets in a released state Date: Tue, 2 Mar 2021 14:21:19 +0300 [thread overview] Message-ID: <20210302112123.24161-2-digetx@gmail.com> (raw) In-Reply-To: <20210302112123.24161-1-digetx@gmail.com> Allow devm_reset_control_array_get() to get resets in a released state in order to make it possible to extend reset-API with resource-managed variants of retrieving resets array in a released state. In particular this is needed by NVIDIA Tegra drivers. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/reset/core.c | 8 ++++++-- include/linux/reset.h | 14 ++++++++------ 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/reset/core.c b/drivers/reset/core.c index dbf881b586d9..f36de3d3849b 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -985,6 +985,8 @@ EXPORT_SYMBOL_GPL(of_reset_control_array_get); * @dev: device that requests the list of reset controls * @shared: whether reset controls are shared or not * @optional: whether it is optional to get the reset controls + * @acquired: only one reset control may be acquired for a given controller + * and ID * * The reset control array APIs are intended for a list of resets * that just have to be asserted or deasserted, without any @@ -993,7 +995,8 @@ EXPORT_SYMBOL_GPL(of_reset_control_array_get); * Returns pointer to allocated reset_control on success or error on failure */ struct reset_control * -devm_reset_control_array_get(struct device *dev, bool shared, bool optional) +devm_reset_control_array_get(struct device *dev, bool shared, bool optional, + bool acquired) { struct reset_control **ptr, *rstc; @@ -1002,7 +1005,8 @@ devm_reset_control_array_get(struct device *dev, bool shared, bool optional) if (!ptr) return ERR_PTR(-ENOMEM); - rstc = of_reset_control_array_get(dev->of_node, shared, optional, true); + rstc = of_reset_control_array_get(dev->of_node, shared, optional, + acquired); if (IS_ERR_OR_NULL(rstc)) { devres_free(ptr); return rstc; diff --git a/include/linux/reset.h b/include/linux/reset.h index b9109efa2a5c..3bee086f1f06 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -33,7 +33,8 @@ struct reset_control *__devm_reset_control_get(struct device *dev, bool optional, bool acquired); struct reset_control *devm_reset_control_array_get(struct device *dev, - bool shared, bool optional); + bool shared, bool optional, + bool acquired); struct reset_control *of_reset_control_array_get(struct device_node *np, bool shared, bool optional, bool acquired); @@ -105,7 +106,8 @@ static inline struct reset_control *__devm_reset_control_get( } static inline struct reset_control * -devm_reset_control_array_get(struct device *dev, bool shared, bool optional) +devm_reset_control_array_get(struct device *dev, bool shared, bool optional, + bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } @@ -511,25 +513,25 @@ static inline struct reset_control *devm_reset_control_get_by_index( static inline struct reset_control * devm_reset_control_array_get_exclusive(struct device *dev) { - return devm_reset_control_array_get(dev, false, false); + return devm_reset_control_array_get(dev, false, false, true); } static inline struct reset_control * devm_reset_control_array_get_shared(struct device *dev) { - return devm_reset_control_array_get(dev, true, false); + return devm_reset_control_array_get(dev, true, false, true); } static inline struct reset_control * devm_reset_control_array_get_optional_exclusive(struct device *dev) { - return devm_reset_control_array_get(dev, false, true); + return devm_reset_control_array_get(dev, false, true, true); } static inline struct reset_control * devm_reset_control_array_get_optional_shared(struct device *dev) { - return devm_reset_control_array_get(dev, true, true); + return devm_reset_control_array_get(dev, true, true, true); } static inline struct reset_control * -- 2.29.2
next prev parent reply other threads:[~2021-03-03 3:36 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-02 11:21 [PATCH v1 0/5] Add missing reset controls to NVIDIA Tegra ASoC drivers Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko [this message] 2021-03-02 11:21 ` [PATCH v1 1/5] reset: Allow devm_reset_control_array_get() to get resets in a released state Dmitry Osipenko 2021-03-02 11:21 ` [PATCH v1 2/5] reset: Add devm_reset_control_array_get_exclusive_released() Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko 2021-03-02 11:21 ` [PATCH v1 3/5] ASoC: tegra20: ac97: Add reset control Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko 2021-03-02 11:21 ` [PATCH v1 4/5] ASoC: tegra20: i2s: " Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko 2021-03-02 11:21 ` [PATCH v1 5/5] ASoC: tegra30: " Dmitry Osipenko 2021-03-02 11:21 ` Dmitry Osipenko 2021-03-03 8:28 ` Dmitry Osipenko 2021-03-03 8:28 ` Dmitry Osipenko 2021-03-03 12:09 ` Philipp Zabel 2021-03-03 12:09 ` Philipp Zabel 2021-03-04 9:42 ` Dmitry Osipenko 2021-03-04 9:42 ` Dmitry Osipenko
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