net: ipa: move some GSI setup functions

Move gsi_irq_setup() and gsi_ring_setup() so they're defined right
above gsi_setup() where they're called.  This is a trivial movement
of code to prepare for upcoming patches.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 5c5a257..a5d23a2 100644 (file)
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -198,77 +198,6 @@ static void gsi_irq_type_disable(struct gsi *gsi, enum gsi_irq_type_id type_id)
        gsi_irq_type_update(gsi, gsi->type_enabled_bitmap & ~BIT(type_id));
 }
 
-/* Turn off all GSI interrupts initially; there is no gsi_irq_teardown() */
-static void gsi_irq_setup(struct gsi *gsi)
-{
-       /* Disable all interrupt types */
-       gsi_irq_type_update(gsi, 0);
-
-       /* Clear all type-specific interrupt masks */
-       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
-       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
-       iowrite32(0, gsi->virt + GSI_CNTXT_GLOB_IRQ_EN_OFFSET);
-       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET);
-
-       /* The inter-EE interrupts are not supported for IPA v3.0-v3.1 */
-       if (gsi->version > IPA_VERSION_3_1) {
-               u32 offset;
-
-               /* These registers are in the non-adjusted address range */
-               offset = GSI_INTER_EE_SRC_CH_IRQ_MSK_OFFSET;
-               iowrite32(0, gsi->virt_raw + offset);
-               offset = GSI_INTER_EE_SRC_EV_CH_IRQ_MSK_OFFSET;
-               iowrite32(0, gsi->virt_raw + offset);
-       }
-
-       iowrite32(0, gsi->virt + GSI_CNTXT_GSI_IRQ_EN_OFFSET);
-}
-
-/* Get # supported channel and event rings; there is no gsi_ring_teardown() */
-static int gsi_ring_setup(struct gsi *gsi)
-{
-       struct device *dev = gsi->dev;
-       u32 count;
-       u32 val;
-
-       if (gsi->version < IPA_VERSION_3_5_1) {
-               /* No HW_PARAM_2 register prior to IPA v3.5.1, assume the max */
-               gsi->channel_count = GSI_CHANNEL_COUNT_MAX;
-               gsi->evt_ring_count = GSI_EVT_RING_COUNT_MAX;
-
-               return 0;
-       }
-
-       val = ioread32(gsi->virt + GSI_GSI_HW_PARAM_2_OFFSET);
-
-       count = u32_get_bits(val, NUM_CH_PER_EE_FMASK);
-       if (!count) {
-               dev_err(dev, "GSI reports zero channels supported\n");
-               return -EINVAL;
-       }
-       if (count > GSI_CHANNEL_COUNT_MAX) {
-               dev_warn(dev, "limiting to %u channels; hardware supports %u\n",
-                        GSI_CHANNEL_COUNT_MAX, count);
-               count = GSI_CHANNEL_COUNT_MAX;
-       }
-       gsi->channel_count = count;
-
-       count = u32_get_bits(val, NUM_EV_PER_EE_FMASK);
-       if (!count) {
-               dev_err(dev, "GSI reports zero event rings supported\n");
-               return -EINVAL;
-       }
-       if (count > GSI_EVT_RING_COUNT_MAX) {
-               dev_warn(dev,
-                        "limiting to %u event rings; hardware supports %u\n",
-                        GSI_EVT_RING_COUNT_MAX, count);
-               count = GSI_EVT_RING_COUNT_MAX;
-       }
-       gsi->evt_ring_count = count;
-
-       return 0;
-}
-
 /* Event ring commands are performed one at a time.  Their completion
  * is signaled by the event ring control GSI interrupt type, which is
  * only enabled when we issue an event ring command.  Only the event
@@ -1878,6 +1807,77 @@ static void gsi_channel_teardown(struct gsi *gsi)
        gsi_irq_disable(gsi);
 }
 
+/* Turn off all GSI interrupts initially; there is no gsi_irq_teardown() */
+static void gsi_irq_setup(struct gsi *gsi)
+{
+       /* Disable all interrupt types */
+       gsi_irq_type_update(gsi, 0);
+
+       /* Clear all type-specific interrupt masks */
+       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
+       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
+       iowrite32(0, gsi->virt + GSI_CNTXT_GLOB_IRQ_EN_OFFSET);
+       iowrite32(0, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET);
+
+       /* The inter-EE interrupts are not supported for IPA v3.0-v3.1 */
+       if (gsi->version > IPA_VERSION_3_1) {
+               u32 offset;
+
+               /* These registers are in the non-adjusted address range */
+               offset = GSI_INTER_EE_SRC_CH_IRQ_MSK_OFFSET;
+               iowrite32(0, gsi->virt_raw + offset);
+               offset = GSI_INTER_EE_SRC_EV_CH_IRQ_MSK_OFFSET;
+               iowrite32(0, gsi->virt_raw + offset);
+       }
+
+       iowrite32(0, gsi->virt + GSI_CNTXT_GSI_IRQ_EN_OFFSET);
+}
+
+/* Get # supported channel and event rings; there is no gsi_ring_teardown() */
+static int gsi_ring_setup(struct gsi *gsi)
+{
+       struct device *dev = gsi->dev;
+       u32 count;
+       u32 val;
+
+       if (gsi->version < IPA_VERSION_3_5_1) {
+               /* No HW_PARAM_2 register prior to IPA v3.5.1, assume the max */
+               gsi->channel_count = GSI_CHANNEL_COUNT_MAX;
+               gsi->evt_ring_count = GSI_EVT_RING_COUNT_MAX;
+
+               return 0;
+       }
+
+       val = ioread32(gsi->virt + GSI_GSI_HW_PARAM_2_OFFSET);
+
+       count = u32_get_bits(val, NUM_CH_PER_EE_FMASK);
+       if (!count) {
+               dev_err(dev, "GSI reports zero channels supported\n");
+               return -EINVAL;
+       }
+       if (count > GSI_CHANNEL_COUNT_MAX) {
+               dev_warn(dev, "limiting to %u channels; hardware supports %u\n",
+                        GSI_CHANNEL_COUNT_MAX, count);
+               count = GSI_CHANNEL_COUNT_MAX;
+       }
+       gsi->channel_count = count;
+
+       count = u32_get_bits(val, NUM_EV_PER_EE_FMASK);
+       if (!count) {
+               dev_err(dev, "GSI reports zero event rings supported\n");
+               return -EINVAL;
+       }
+       if (count > GSI_EVT_RING_COUNT_MAX) {
+               dev_warn(dev,
+                        "limiting to %u event rings; hardware supports %u\n",
+                        GSI_EVT_RING_COUNT_MAX, count);
+               count = GSI_EVT_RING_COUNT_MAX;
+       }
+       gsi->evt_ring_count = count;
+
+       return 0;
+}
+
 /* Setup function for GSI.  GSI firmware must be loaded and initialized */
 int gsi_setup(struct gsi *gsi)
 {