From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756005Ab2ECMyz (ORCPT ); Thu, 3 May 2012 08:54:55 -0400 Received: from na3sys009aog109.obsmtp.com ([74.125.149.201]:46318 "EHLO na3sys009aog109.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754223Ab2ECMyx (ORCPT ); Thu, 3 May 2012 08:54:53 -0400 From: Peter Ujfalusi To: Samuel Ortiz Cc: linux-kernel@vger.kernel.org, Misael Lopez Cruz , Benoit Cousson , devicetree-discuss@lists.ozlabs.org, Liam Girdwood Subject: [PATCH 2/3] MFD: twl6040: Allocate IRQ numbers dynamically Date: Thu, 3 May 2012 15:54:24 +0300 Message-Id: <1336049665-27777-3-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1336049665-27777-1-git-send-email-peter.ujfalusi@ti.com> References: <1336049665-27777-1-git-send-email-peter.ujfalusi@ti.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use irq_alloc_descs() to get the IRQ number range dynamically instead of the hardwired use if pdata->irq_base. Signed-off-by: Peter Ujfalusi --- drivers/mfd/twl6040-core.c | 3 +-- drivers/mfd/twl6040-irq.c | 13 +++++++++++-- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c index 7a92d95..c50fba7 100644 --- a/drivers/mfd/twl6040-core.c +++ b/drivers/mfd/twl6040-core.c @@ -515,7 +515,7 @@ static int __devinit twl6040_probe(struct i2c_client *client, } /* In order to operate correctly we need valid interrupt config */ - if (!client->irq || !pdata->irq_base) { + if (!client->irq) { dev_err(&client->dev, "Invalid IRQ configuration\n"); return -EINVAL; } @@ -552,7 +552,6 @@ static int __devinit twl6040_probe(struct i2c_client *client, twl6040->dev = &client->dev; twl6040->irq = client->irq; - twl6040->irq_base = pdata->irq_base; mutex_init(&twl6040->mutex); mutex_init(&twl6040->io_mutex); diff --git a/drivers/mfd/twl6040-irq.c b/drivers/mfd/twl6040-irq.c index 008022c..914978e 100644 --- a/drivers/mfd/twl6040-irq.c +++ b/drivers/mfd/twl6040-irq.c @@ -23,6 +23,7 @@ #include #include +#include #include #include #include @@ -138,7 +139,7 @@ static irqreturn_t twl6040_irq_thread(int irq, void *data) int twl6040_irq_init(struct twl6040 *twl6040) { - int i, nr_irqs, ret; + int i, nr_irqs, irq_base, ret; u8 val; mutex_init(&twl6040->irq_mutex); @@ -149,8 +150,16 @@ int twl6040_irq_init(struct twl6040 *twl6040) twl6040_reg_write(twl6040, TWL6040_REG_INTMR, TWL6040_ALLINT_MSK); nr_irqs = ARRAY_SIZE(twl6040_irqs); + + irq_base = irq_alloc_descs(-1, 0, nr_irqs, 0); + if (IS_ERR_VALUE(irq_base)) { + dev_err(twl6040->dev, "Fail to allocate IRQ descs\n"); + return irq_base; + } + twl6040->irq_base = irq_base; + /* Register them with genirq */ - for (i = twl6040->irq_base; i < twl6040->irq_base + nr_irqs; i++) { + for (i = irq_base; i < irq_base + nr_irqs; i++) { irq_set_chip_data(i, twl6040); irq_set_chip_and_handler(i, &twl6040_irq_chip, handle_level_irq); -- 1.7.8.6