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authorAbhijeet Kolekar <abhijeet.kolekar@intel.com>2009-02-18 15:54:31 -0800
committerJohn W. Linville <linville@tuxdriver.com>2009-02-27 14:52:46 -0500
commitf17d08a657ee0713390ccf9a0b0ebf4f80495161 (patch)
treee9df76c9c5705826af69c287a4289bc804477ae0 /drivers/net/wireless/iwlwifi
parented3b932e014eb54e8d9b0d7b9d8861f653185d04 (diff)
downloadop-kernel-dev-f17d08a657ee0713390ccf9a0b0ebf4f80495161.zip
op-kernel-dev-f17d08a657ee0713390ccf9a0b0ebf4f80495161.tar.gz
iwl3945: use iwl_isr
iwl3945 uses iwl_isr and deletes duplicated iwl3945_isr. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c58
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c59
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c59
4 files changed, 61 insertions, 116 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8eaaf2a..bcb94a0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1280,64 +1280,6 @@ static void iwl_irq_tasklet(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
-static irqreturn_t iwl_isr(int irq, void *data)
-{
- struct iwl_priv *priv = data;
- u32 inta, inta_mask;
- u32 inta_fh;
- if (!priv)
- return IRQ_NONE;
-
- spin_lock(&priv->lock);
-
- /* Disable (but don't clear!) interrupts here to avoid
- * back-to-back ISRs and sporadic interrupts from our NIC.
- * If we have something to service, the tasklet will re-enable ints.
- * If we *don't* have something, we'll re-enable before leaving here. */
- inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
- iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
- /* Discover which interrupts are active/pending */
- inta = iwl_read32(priv, CSR_INT);
- inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-
- /* Ignore interrupt if there's nothing in NIC to service.
- * This may be due to IRQ shared with another device,
- * or due to sporadic interrupts thrown from our NIC. */
- if (!inta && !inta_fh) {
- IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
- goto none;
- }
-
- if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
- /* Hardware disappeared. It might have already raised
- * an interrupt */
- IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
- goto unplugged;
- }
-
- IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
- inta, inta_mask, inta_fh);
-
- inta &= ~CSR_INT_BIT_SCD;
-
- /* iwl_irq_tasklet() will service interrupts and re-enable them */
- if (likely(inta || inta_fh))
- tasklet_schedule(&priv->irq_tasklet);
-
- unplugged:
- spin_unlock(&priv->lock);
- return IRQ_HANDLED;
-
- none:
- /* re-enable interrupts here since we don't have anything to service. */
- /* only Re-enable if diabled by irq */
- if (test_bit(STATUS_INT_ENABLED, &priv->status))
- iwl_enable_interrupts(priv);
- spin_unlock(&priv->lock);
- return IRQ_NONE;
-}
-
/******************************************************************************
*
* uCode download functions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 61b9902..37069d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1444,6 +1444,65 @@ void iwl_enable_interrupts(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_enable_interrupts);
+irqreturn_t iwl_isr(int irq, void *data)
+{
+ struct iwl_priv *priv = data;
+ u32 inta, inta_mask;
+ u32 inta_fh;
+ if (!priv)
+ return IRQ_NONE;
+
+ spin_lock(&priv->lock);
+
+ /* Disable (but don't clear!) interrupts here to avoid
+ * back-to-back ISRs and sporadic interrupts from our NIC.
+ * If we have something to service, the tasklet will re-enable ints.
+ * If we *don't* have something, we'll re-enable before leaving here. */
+ inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
+ iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+ /* Discover which interrupts are active/pending */
+ inta = iwl_read32(priv, CSR_INT);
+ inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
+
+ /* Ignore interrupt if there's nothing in NIC to service.
+ * This may be due to IRQ shared with another device,
+ * or due to sporadic interrupts thrown from our NIC. */
+ if (!inta && !inta_fh) {
+ IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
+ goto none;
+ }
+
+ if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
+ /* Hardware disappeared. It might have already raised
+ * an interrupt */
+ IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
+ goto unplugged;
+ }
+
+ IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
+ inta, inta_mask, inta_fh);
+
+ inta &= ~CSR_INT_BIT_SCD;
+
+ /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ if (likely(inta || inta_fh))
+ tasklet_schedule(&priv->irq_tasklet);
+
+ unplugged:
+ spin_unlock(&priv->lock);
+ return IRQ_HANDLED;
+
+ none:
+ /* re-enable interrupts here since we don't have anything to service. */
+ /* only Re-enable if diabled by irq */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl_enable_interrupts(priv);
+ spin_unlock(&priv->lock);
+ return IRQ_NONE;
+}
+EXPORT_SYMBOL(iwl_isr);
+
int iwl_send_bt_config(struct iwl_priv *priv)
{
struct iwl_bt_cmd bt_cmd = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index f2f75d1..7427d75 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -421,6 +421,7 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags,
*****************************************************/
void iwl_disable_interrupts(struct iwl_priv *priv);
void iwl_enable_interrupts(struct iwl_priv *priv);
+irqreturn_t iwl_isr(int irq, void *data);
static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
{
int pos;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 0de7687..68cd2e7 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2325,63 +2325,6 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv)
spin_unlock_irqrestore(&priv->lock, flags);
}
-static irqreturn_t iwl3945_isr(int irq, void *data)
-{
- struct iwl_priv *priv = data;
- u32 inta, inta_mask;
- u32 inta_fh;
- if (!priv)
- return IRQ_NONE;
-
- spin_lock(&priv->lock);
-
- /* Disable (but don't clear!) interrupts here to avoid
- * back-to-back ISRs and sporadic interrupts from our NIC.
- * If we have something to service, the tasklet will re-enable ints.
- * If we *don't* have something, we'll re-enable before leaving here. */
- inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
- iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
- /* Discover which interrupts are active/pending */
- inta = iwl_read32(priv, CSR_INT);
- inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-
- /* Ignore interrupt if there's nothing in NIC to service.
- * This may be due to IRQ shared with another device,
- * or due to sporadic interrupts thrown from our NIC. */
- if (!inta && !inta_fh) {
- IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 0\n");
- goto none;
- }
-
- if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
- /* Hardware disappeared */
- IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
- goto unplugged;
- }
-
- IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
- inta, inta_mask, inta_fh);
-
- inta &= ~CSR_INT_BIT_SCD;
-
- /* iwl3945_irq_tasklet() will service interrupts and re-enable them */
- if (likely(inta || inta_fh))
- tasklet_schedule(&priv->irq_tasklet);
-unplugged:
- spin_unlock(&priv->lock);
-
- return IRQ_HANDLED;
-
- none:
- /* re-enable interrupts here since we don't have anything to service. */
- /* only Re-enable if disabled by irq */
- if (test_bit(STATUS_INT_ENABLED, &priv->status))
- iwl_enable_interrupts(priv);
- spin_unlock(&priv->lock);
- return IRQ_NONE;
-}
-
static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
enum ieee80211_band band,
u8 is_active, u8 n_probes,
@@ -5235,7 +5178,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
pci_enable_msi(priv->pci_dev);
- err = request_irq(priv->pci_dev->irq, iwl3945_isr, IRQF_SHARED,
+ err = request_irq(priv->pci_dev->irq, iwl_isr, IRQF_SHARED,
DRV_NAME, priv);
if (err) {
IWL_ERR(priv, "Error allocating IRQ %d\n", priv->pci_dev->irq);
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