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[2.15.156.232]) by smtp.gmail.com with ESMTPSA id z7sm2975922wrl.88.2020.05.14.01.39.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2020 01:39:06 -0700 (PDT) From: Bartosz Golaszewski To: Linus Walleij , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Thomas Gleixner , Jason Cooper , Marc Zyngier Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v5 1/2] irq: make irq_domain_reset_irq_data() available even for non-V2 users Date: Thu, 14 May 2020 10:39:00 +0200 Message-Id: <20200514083901.23445-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200514083901.23445-1-brgl@bgdev.pl> References: <20200514083901.23445-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Bartosz Golaszewski irq_domain_reset_irq_data() doesn't modify the parent data, so it can be made available even if irq domain hierarchy is not being built. We'll subsequently use it in irq_sim code. Signed-off-by: Bartosz Golaszewski Reviewed-by: Linus Walleij --- include/linux/irqdomain.h | 2 +- kernel/irq/irqdomain.c | 24 ++++++++++++------------ 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 8d062e86d954..b37350c4fe37 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -450,6 +450,7 @@ extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, irq_hw_number_t hwirq, struct irq_chip *chip, void *chip_data, irq_flow_handler_t handler, void *handler_data, const char *handler_name); +extern void irq_domain_reset_irq_data(struct irq_data *irq_data); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent, unsigned int flags, unsigned int size, @@ -491,7 +492,6 @@ extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, irq_hw_number_t hwirq, struct irq_chip *chip, void *chip_data); -extern void irq_domain_reset_irq_data(struct irq_data *irq_data); extern void irq_domain_free_irqs_common(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 35b8d97c3a1d..e2aa128ea3ee 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -1047,6 +1047,18 @@ int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq, return virq; } +/** + * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data + * @irq_data: The pointer to irq_data + */ +void irq_domain_reset_irq_data(struct irq_data *irq_data) +{ + irq_data->hwirq = 0; + irq_data->chip = &no_irq_chip; + irq_data->chip_data = NULL; +} +EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data); + #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY /** * irq_domain_create_hierarchy - Add a irqdomain into the hierarchy @@ -1247,18 +1259,6 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, } EXPORT_SYMBOL(irq_domain_set_info); -/** - * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data - * @irq_data: The pointer to irq_data - */ -void irq_domain_reset_irq_data(struct irq_data *irq_data) -{ - irq_data->hwirq = 0; - irq_data->chip = &no_irq_chip; - irq_data->chip_data = NULL; -} -EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data); - /** * irq_domain_free_irqs_common - Clear irq_data and free the parent * @domain: Interrupt domain to match -- 2.25.0