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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 16:50:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 16:50:35 -0800
commit3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (patch)
tree3ecba45d7ffae4fba4a5aafaef4af5b0b1105bde /arch/arm/plat-mxc/irq-common.c
parentf70f5b9dc74ca7d0a64c4ead3fb28da09dc1b234 (diff)
parent404a02cbd2ae8bf256a2fa1169bdfe86bb5ebb34 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits) ARM: DMA: add support for DMA debugging ARM: PL011: add DMA burst threshold support for ST variants ARM: PL011: Add support for transmit DMA ARM: PL011: Ensure IRQs are disabled in UART interrupt handler ARM: PL011: Separate hardware FIFO size from TTY FIFO size ARM: PL011: Allow better handling of vendor data ARM: PL011: Ensure error flags are clear at startup ARM: PL011: include revision number in boot-time port printk ARM: vexpress: add sched_clock() for Versatile Express ARM i.MX53: Make MX53 EVK bootable ARM i.MX53: Some bug fix about MX53 MSL code ARM: 6607/1: sa1100: Update platform device registration ARM: 6606/1: sa1100: Fix platform device registration ARM i.MX51: rename IPU irqs ARM i.MX51: Add ipu clock support ARM: imx/mx27_3ds: Add PMIC support ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn() mx51: fix usb clock support MX51: Add support for usb host 2 arch/arm/plat-mxc/ehci.c: fix errors/typos ...
Diffstat (limited to 'arch/arm/plat-mxc/irq-common.c')
-rw-r--r--arch/arm/plat-mxc/irq-common.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/irq-common.c b/arch/arm/plat-mxc/irq-common.c
new file mode 100644
index 00000000000..0c799ac2773
--- /dev/null
+++ b/arch/arm/plat-mxc/irq-common.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) BitBox Ltd 2010
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/irq.h>
+
+#include "irq-common.h"
+
+int imx_irq_set_priority(unsigned char irq, unsigned char prio)
+{
+ struct mxc_irq_chip *chip;
+ struct irq_chip *base;
+ int ret;
+
+ ret = -ENOSYS;
+
+ base = get_irq_chip(irq);
+ if (base) {
+ chip = container_of(base, struct mxc_irq_chip, base);
+ if (chip->set_priority)
+ ret = chip->set_priority(irq, prio);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(imx_irq_set_priority);
+
+int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
+{
+ struct mxc_irq_chip *chip;
+ struct irq_chip *base;
+ int ret;
+
+ ret = -ENOSYS;
+
+ base = get_irq_chip(irq);
+ if (base) {
+ chip = container_of(base, struct mxc_irq_chip, base);
+ if (chip->set_irq_fiq)
+ ret = chip->set_irq_fiq(irq, type);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(mxc_set_irq_fiq);