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Diffstat (limited to 'target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch')
-rw-r--r--target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch58
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch b/target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch
new file mode 100644
index 0000000000..6eb9569891
--- /dev/null
+++ b/target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch
@@ -0,0 +1,58 @@
+Index: linux-3.1-rc4/arch/arm/mach-omap2/serial.c
+===================================================================
+--- linux-3.1-rc4.orig/arch/arm/mach-omap2/serial.c 2011-08-29 06:16:01.000000000 +0200
++++ linux-3.1-rc4/arch/arm/mach-omap2/serial.c 2011-10-27 16:38:20.539265654 +0200
+@@ -546,10 +546,12 @@ static void omap_uart_idle_init(struct o
+ uart->padconf = 0;
+ }
+
+- uart->irqflags |= IRQF_SHARED;
+- ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
+- IRQF_SHARED, "serial idle", (void *)uart);
+- WARN_ON(ret);
++ if (uart->irq) {
++ uart->irqflags |= IRQF_SHARED;
++ ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
++ IRQF_SHARED, "serial idle", (void *)uart);
++ WARN_ON(ret);
++ }
+ }
+
+ void omap_uart_enable_irqs(int enable)
+@@ -560,14 +562,17 @@ void omap_uart_enable_irqs(int enable)
+ list_for_each_entry(uart, &uart_list, node) {
+ if (enable) {
+ pm_runtime_put_sync(&uart->pdev->dev);
+- ret = request_threaded_irq(uart->irq, NULL,
+- omap_uart_interrupt,
+- IRQF_SHARED,
+- "serial idle",
+- (void *)uart);
++ if (uart->irq) {
++ ret = request_threaded_irq(uart->irq, NULL,
++ omap_uart_interrupt,
++ IRQF_SHARED,
++ "serial idle",
++ (void *)uart);
++ }
+ } else {
+ pm_runtime_get_noresume(&uart->pdev->dev);
+- free_irq(uart->irq, (void *)uart);
++ if (uart->irq)
++ free_irq(uart->irq, (void *)uart);
+ }
+ }
+ }
+Index: linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
+===================================================================
+--- linux-3.1-rc4.orig/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c 2011-08-29 06:16:01.000000000 +0200
++++ linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c 2011-10-27 16:44:39.065885130 +0200
+@@ -253,7 +253,7 @@ struct omap_hwmod_irq_info omap2_timer11
+ };
+
+ struct omap_hwmod_irq_info omap2_uart1_mpu_irqs[] = {
+- { .irq = INT_24XX_UART1_IRQ, },
++ { .irq = 0, },
+ { .irq = -1 }
+ };
+