X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmomentum%2Focelot_c%2Fuart-irq.c;h=a7a80c0da569653bb68169652e0c10a892b1d088;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=755bde5146be1d5d0b77bb319e91be12ecb8923d;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/mips/momentum/ocelot_c/uart-irq.c b/arch/mips/momentum/ocelot_c/uart-irq.c
index 755bde514..a7a80c0da 100644
--- a/arch/mips/momentum/ocelot_c/uart-irq.c
+++ b/arch/mips/momentum/ocelot_c/uart-irq.c
@@ -16,7 +16,6 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/kernel.h>
-#include <asm/ptrace.h>
 #include <linux/sched.h>
 #include <linux/kernel_stat.h>
 #include <asm/io.h>
@@ -60,52 +59,10 @@ static inline void unmask_uart_irq(unsigned int irq)
 	value = OCELOT_FPGA_READ(UART_INTMASK);
 }
 
-/*
- * Enables the IRQ in the FPGA
- */
-static void enable_uart_irq(unsigned int irq)
-{
-	unmask_uart_irq(irq);
-}
-
-/*
- * Initialize the IRQ in the FPGA
- */
-static unsigned int startup_uart_irq(unsigned int irq)
-{
-	unmask_uart_irq(irq);
-	return 0;
-}
-
-/*
- * Disables the IRQ in the FPGA
- */
-static void disable_uart_irq(unsigned int irq)
-{
-	mask_uart_irq(irq);
-}
-
-/*
- * Masks and ACKs an IRQ
- */
-static void mask_and_ack_uart_irq(unsigned int irq)
-{
-	mask_uart_irq(irq);
-}
-
-/*
- * End IRQ processing
- */
-static void end_uart_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		unmask_uart_irq(irq);
-}
-
 /*
  * Interrupt handler for interrupts coming from the FPGA chip.
  */
-void ll_uart_irq(struct pt_regs *regs)
+void ll_uart_irq(void)
 {
 	unsigned int irq_src, irq_mask;
 
@@ -116,31 +73,19 @@ void ll_uart_irq(struct pt_regs *regs)
 	/* mask for just the interrupts we want */
 	irq_src &= ~irq_mask;
 
-	do_IRQ(ls1bit8(irq_src) + 74, regs);
+	do_IRQ(ls1bit8(irq_src) + 74);
 }
 
-#define shutdown_uart_irq	disable_uart_irq
-
-struct hw_interrupt_type uart_irq_type = {
+struct irq_chip uart_irq_type = {
 	.typename = "UART/FPGA",
-	.startup = startup_uart_irq,
-	.shutdown = shutdown_uart_irq,
-	.enable = enable_uart_irq,
-	.disable = disable_uart_irq,
-	.ack = mask_and_ack_uart_irq,
-	.end = end_uart_irq,
+	.ack = mask_uart_irq,
+	.mask = mask_uart_irq,
+	.mask_ack = mask_uart_irq,
+	.unmask = unmask_uart_irq,
 };
 
 void uart_irq_init(void)
 {
-	/* Reset irq handlers pointers to NULL */
-	irq_desc[80].status = IRQ_DISABLED;
-	irq_desc[80].action = 0;
-	irq_desc[80].depth = 2;
-	irq_desc[80].handler = &uart_irq_type;
-
-	irq_desc[81].status = IRQ_DISABLED;
-	irq_desc[81].action = 0;
-	irq_desc[81].depth = 2;
-	irq_desc[81].handler = &uart_irq_type;
+	set_irq_chip_and_handler(80, &uart_irq_type, handle_level_irq);
+	set_irq_chip_and_handler(81, &uart_irq_type, handle_level_irq);
 }