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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /drivers/net/wireless/ath/wil6210/interrupt.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/interrupt.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index dc97e7b2609..e3c1e7684f9 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -240,6 +240,15 @@ static void wil_notify_fw_error(struct wil6210_priv *wil)
kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
}
+static void wil_cache_mbox_regs(struct wil6210_priv *wil)
+{
+ /* make shadow copy of registers that should not change on run time */
+ wil_memcpy_fromio_32(&wil->mbox_ctl, wil->csr + HOST_MBOX,
+ sizeof(struct wil6210_mbox_ctl));
+ wil_mbox_ring_le2cpus(&wil->mbox_ctl.rx);
+ wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx);
+}
+
static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
{
struct wil6210_priv *wil = cookie;
@@ -257,14 +266,19 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
wil6210_mask_irq_misc(wil);
if (isr & ISR_MISC_FW_ERROR) {
- wil_dbg_irq(wil, "IRQ: Firmware error\n");
+ wil_err(wil, "Firmware error detected\n");
clear_bit(wil_status_fwready, &wil->status);
- wil_notify_fw_error(wil);
- isr &= ~ISR_MISC_FW_ERROR;
+ /*
+ * do not clear @isr here - we do 2-nd part in thread
+ * there, user space get notified, and it should be done
+ * in non-atomic context
+ */
}
if (isr & ISR_MISC_FW_READY) {
wil_dbg_irq(wil, "IRQ: FW ready\n");
+ wil_cache_mbox_regs(wil);
+ set_bit(wil_status_reset_done, &wil->status);
/**
* Actual FW ready indicated by the
* WMI_FW_READY_EVENTID
@@ -289,6 +303,11 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie)
wil_dbg_irq(wil, "Thread ISR MISC 0x%08x\n", isr);
+ if (isr & ISR_MISC_FW_ERROR) {
+ wil_notify_fw_error(wil);
+ isr &= ~ISR_MISC_FW_ERROR;
+ }
+
if (isr & ISR_MISC_MBOX_EVT) {
wil_dbg_irq(wil, "MBOX event\n");
wmi_recv_cmd(wil);