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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /drivers/net/wireless/ath/wil6210/interrupt.c
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/interrupt.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 10919f95a83..5824cd41e4b 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -195,8 +195,12 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
if (isr & BIT_DMA_EP_RX_ICR_RX_DONE) {
wil_dbg_irq(wil, "RX done\n");
isr &= ~BIT_DMA_EP_RX_ICR_RX_DONE;
- wil_dbg_txrx(wil, "NAPI schedule\n");
- napi_schedule(&wil->napi_rx);
+ if (test_bit(wil_status_reset_done, &wil->status)) {
+ wil_dbg_txrx(wil, "NAPI(Rx) schedule\n");
+ napi_schedule(&wil->napi_rx);
+ } else {
+ wil_err(wil, "Got Rx interrupt while in reset\n");
+ }
}
if (isr)
@@ -226,10 +230,15 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
if (isr & BIT_DMA_EP_TX_ICR_TX_DONE) {
wil_dbg_irq(wil, "TX done\n");
- napi_schedule(&wil->napi_tx);
isr &= ~BIT_DMA_EP_TX_ICR_TX_DONE;
/* clear also all VRING interrupts */
isr &= ~(BIT(25) - 1UL);
+ if (test_bit(wil_status_reset_done, &wil->status)) {
+ wil_dbg_txrx(wil, "NAPI(Tx) schedule\n");
+ napi_schedule(&wil->napi_tx);
+ } else {
+ wil_err(wil, "Got Tx interrupt while in reset\n");
+ }
}
if (isr)
@@ -319,6 +328,7 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie)
if (isr & ISR_MISC_FW_ERROR) {
wil_notify_fw_error(wil);
isr &= ~ISR_MISC_FW_ERROR;
+ wil_fw_error_recovery(wil);
}
if (isr & ISR_MISC_MBOX_EVT) {
@@ -493,6 +503,23 @@ free0:
return rc;
}
+/* can't use wil_ioread32_and_clear because ICC value is not ser yet */
+static inline void wil_clear32(void __iomem *addr)
+{
+ u32 x = ioread32(addr);
+
+ iowrite32(x, addr);
+}
+
+void wil6210_clear_irq(struct wil6210_priv *wil)
+{
+ wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_RX_ICR) +
+ offsetof(struct RGF_ICR, ICR));
+ wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_TX_ICR) +
+ offsetof(struct RGF_ICR, ICR));
+ wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) +
+ offsetof(struct RGF_ICR, ICR));
+}
int wil6210_init_irq(struct wil6210_priv *wil, int irq)
{