[ixp4xx] remove support for older kernels

[openwrt.git] / target / linux / atheros / patches-2.6.30 / 100-board.patch

diff --git a/target/linux/atheros/patches-2.6.30/100-board.patch b/target/linux/atheros/patches-2.6.30/100-board.patch
index bfa7d6b..5f51293 100644 (file)
--- a/target/linux/atheros/patches-2.6.30/100-board.patch
+++ b/target/linux/atheros/patches-2.6.30/100-board.patch
@@ -4,7 +4,7 @@
        help
         Support for BCM47XX based boards
  
-+config ATHEROS
++config ATHEROS_AR231X
 +      bool "Atheros 231x/531x SoC support"
 +      select CEVT_R4K
 +      select CSRC_R4K
@@ -36,9 +36,9 @@
  #
 +# Atheros AR5312/AR2312 WiSoC
 +#
-+core-$(CONFIG_ATHEROS)                += arch/mips/ar231x/
-+cflags-$(CONFIG_ATHEROS)      += -I$(srctree)/arch/mips/include/asm/mach-ar231x
-+load-$(CONFIG_ATHEROS)                += 0xffffffff80041000
++core-$(CONFIG_ATHEROS_AR231X)         += arch/mips/ar231x/
++cflags-$(CONFIG_ATHEROS_AR231X)       += -I$(srctree)/arch/mips/include/asm/mach-ar231x
++load-$(CONFIG_ATHEROS_AR231X)         += 0xffffffff80041000
 +
 +#
  # Cobalt Server
@@ -49,12 +49,12 @@
 @@ -0,0 +1,17 @@
 +config ATHEROS_AR5312
 +      bool "Atheros 5312/2312+ support"
-+      depends on ATHEROS
++      depends on ATHEROS_AR231X
 +      default y
 +
 +config ATHEROS_AR2315
 +      bool "Atheros 2315+ support"
-+      depends on ATHEROS
++      depends on ATHEROS_AR231X
 +      select DMA_NONCOHERENT
 +      select CEVT_R4K
 +      select CSRC_R4K
@@ -2105,7 +2105,7 @@
 +
 --- /dev/null
 +++ b/arch/mips/ar231x/ar2315.c
-@@ -0,0 +1,643 @@
+@@ -0,0 +1,658 @@
 +/*
 + * This file is subject to the terms and conditions of the GNU General Public
 + * License.  See the file "COPYING" in the main directory of this archive
@@ -2163,6 +2163,10 @@
 +      if (!pend)
 +              ar231x_write_reg(AR2315_ISR, AR2315_ISR_GPIO);
 +
++      /* Enable interrupt with edge detection */
++      if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(bit)) != AR2315_GPIO_CR_I(bit))
++              return;
++
 +      if (bit >= 0)
 +              do_IRQ(AR531X_GPIO_IRQ_BASE + bit);
 +}
@@ -2220,14 +2224,24 @@
 +{
 +      unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
 +
-+      /* reconfigure GPIO line as input */
-+      ar231x_mask_reg(AR2315_GPIO_CR, AR2315_GPIO_CR_M(gpio), AR2315_GPIO_CR_I(gpio));
-+
 +      /* Enable interrupt with edge detection */
++      if ((ar231x_read_reg(AR2315_GPIO_CR) & AR2315_GPIO_CR_M(gpio)) != AR2315_GPIO_CR_I(gpio))
++              return;
++
 +      gpiointmask |= (1 << gpio);
 +      ar2315_set_gpiointmask(gpio, 3);
 +}
 +
++static unsigned int ar2315_gpio_intr_startup(unsigned int irq)
++{
++      unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
++
++      /* reconfigure GPIO line as input */
++      ar231x_mask_reg(AR2315_GPIO_CR, AR2315_GPIO_CR_M(gpio), AR2315_GPIO_CR_I(gpio));
++      ar2315_gpio_intr_enable(irq);
++      return 0;
++}
++
 +static void ar2315_gpio_intr_disable(unsigned int irq)
 +{
 +      unsigned int gpio = irq - AR531X_GPIO_IRQ_BASE;
@@ -2246,6 +2260,7 @@
 +
 +static struct irq_chip ar2315_gpio_intr_controller = {
 +      .typename       = "AR2315-GPIO",
++      .startup  = ar2315_gpio_intr_startup,
 +      .ack      = ar2315_gpio_intr_disable,
 +      .mask_ack = ar2315_gpio_intr_disable,
 +      .mask     = ar2315_gpio_intr_disable,