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[78.236.204.66]) by smtp.gmail.com with ESMTPSA id l184sm30886480wmf.6.2015.12.23.14.25.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 23 Dec 2015 14:25:40 -0800 (PST) From: Christophe Ricard X-Google-Original-From: Christophe Ricard To: rjw@rjwysocki.net, lenb@kernel.org, linus.walleij@linaro.org, gnurou@gmail.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, broonie@kernel.org Cc: linux-spi@vger.kernel.org, linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, Christophe Ricard Subject: [PATCH v8 1/3] acpi: Rename acpi_gsi_get_irq_type to acpi_dev_get_irq_type and export symbol Date: Wed, 23 Dec 2015 23:25:33 +0100 Message-Id: <1450909535-32138-2-git-send-email-christophe-h.ricard@st.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1450909535-32138-1-git-send-email-christophe-h.ricard@st.com> References: <1450909535-32138-1-git-send-email-christophe-h.ricard@st.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP acpi_gsi_get_irq_type could be use out of gsi purpose. Rename and make it available as a resource function. Acked-by: Mika Westerberg Signed-off-by: Christophe Ricard --- drivers/acpi/gsi.c | 21 +-------------------- drivers/acpi/resource.c | 26 ++++++++++++++++++++++++++ include/linux/acpi.h | 1 + 3 files changed, 28 insertions(+), 20 deletions(-) diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c index fa4585a..ee9e0f2 100644 --- a/drivers/acpi/gsi.c +++ b/drivers/acpi/gsi.c @@ -17,25 +17,6 @@ enum acpi_irq_model_id acpi_irq_model; static struct fwnode_handle *acpi_gsi_domain_id; -static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity) -{ - switch (polarity) { - case ACPI_ACTIVE_LOW: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_FALLING : - IRQ_TYPE_LEVEL_LOW; - case ACPI_ACTIVE_HIGH: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_RISING : - IRQ_TYPE_LEVEL_HIGH; - case ACPI_ACTIVE_BOTH: - if (trigger == ACPI_EDGE_SENSITIVE) - return IRQ_TYPE_EDGE_BOTH; - default: - return IRQ_TYPE_NONE; - } -} - /** * acpi_gsi_to_irq() - Retrieve the linux irq number for a given GSI * @gsi: GSI IRQ number to map @@ -82,7 +63,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, fwspec.fwnode = acpi_gsi_domain_id; fwspec.param[0] = gsi; - fwspec.param[1] = acpi_gsi_get_irq_type(trigger, polarity); + fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity); fwspec.param_count = 2; return irq_create_fwspec_mapping(&fwspec); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index cdc5c25..d02fd53 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -23,6 +23,7 @@ #include #include #include +#include #ifdef CONFIG_X86 #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) @@ -336,6 +337,31 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) } EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); +/** + * acpi_dev_get_irq_type - Determine irq type. + * @triggering: Triggering type as provided by ACPI. + * @polarity: Interrupt polarity as provided by ACPI. + */ +unsigned int acpi_dev_get_irq_type(int triggering, int polarity) +{ + switch (polarity) { + case ACPI_ACTIVE_LOW: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_FALLING : + IRQ_TYPE_LEVEL_LOW; + case ACPI_ACTIVE_HIGH: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_RISING : + IRQ_TYPE_LEVEL_HIGH; + case ACPI_ACTIVE_BOTH: + if (triggering == ACPI_EDGE_SENSITIVE) + return IRQ_TYPE_EDGE_BOTH; + default: + return IRQ_TYPE_NONE; + } +} +EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type); + static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi) { res->start = gsi; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1991aea..42adb80 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -318,6 +318,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares, bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, struct resource_win *win); unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); +unsigned int acpi_dev_get_irq_type(int triggering, int polarity); bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, struct resource *res);