From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Figa Subject: [PATCH 13/16] pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT Date: Mon, 08 Oct 2012 10:39:13 +0200 Message-ID: <1349685556-23718-14-git-send-email-t.figa@samsung.com> References: <1349685556-23718-1-git-send-email-t.figa@samsung.com> Return-path: In-reply-to: <1349685556-23718-1-git-send-email-t.figa@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, kgene.kim@samsung.com, thomas.abraham@linaro.org, linus.walleij@linaro.org, swarren@wwwdotorg.org, kyungmin.park@samsung.com, m.szyprowski@samsung.com, t.figa@samsung.com, tomasz.figa@gmail.com List-Id: devicetree@vger.kernel.org Pins used as wake-up interrupts need to be configured as EINTs. This patch adds the required configuration code to exynos_wkup_irq_set_type, to set the pin as EINT when its interrupt trigger type is configured. Signed-off-by: Tomasz Figa --- drivers/pinctrl/pinctrl-exynos.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index fa6a5be..8cc8018 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -257,6 +257,7 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset; unsigned long shift = EXYNOS_EINT_CON_LEN * pin; unsigned long con, trig_type; + unsigned int mask; switch (type) { case IRQ_TYPE_EDGE_RISING: @@ -288,6 +289,16 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) con &= ~(EXYNOS_EINT_CON_MASK << shift); con |= trig_type << shift; writel(con, d->virt_base + reg_con); + + reg_con = bank->pctl_offset; + shift = pin * bank->func_width; + mask = (1 << bank->func_width) - 1; + + con = readl(d->virt_base + reg_con); + con &= ~(mask << shift); + con |= EXYNOS_EINT_FUNC << shift; + writel(con, d->virt_base + reg_con); + return 0; } -- 1.7.12