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authorManu Abraham <abraham.manu@gmail.com>2009-12-04 05:26:46 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-01-17 11:55:39 -0200
commit17b77fc2d404910ca691661038ceb4c02d912d16 (patch)
tree93692d7f1844e2717f18f352d5367aa75c3741a0 /drivers/media
parentf668c7292bda7f64400eaa8d45c3a785eecab990 (diff)
V4L/DVB (13771): [Mantis] Reset Flags at the earliest possible
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/mantis/mantis_common.h2
-rw-r--r--drivers/media/dvb/mantis/mantis_evm.c18
-rw-r--r--drivers/media/dvb/mantis/mantis_pci.c12
3 files changed, 19 insertions, 13 deletions
diff --git a/drivers/media/dvb/mantis/mantis_common.h b/drivers/media/dvb/mantis/mantis_common.h
index ac3eefec0a7..27ecfdb6e6f 100644
--- a/drivers/media/dvb/mantis/mantis_common.h
+++ b/drivers/media/dvb/mantis/mantis_common.h
@@ -139,6 +139,8 @@ struct mantis_pci {
/* A12 A13 A14 */
u32 gpio_status;
+ u32 gpif_status;
+
struct mantis_ca *mantis_ca;
};
diff --git a/drivers/media/dvb/mantis/mantis_evm.c b/drivers/media/dvb/mantis/mantis_evm.c
index d603601c09b..4c4c1448ddd 100644
--- a/drivers/media/dvb/mantis/mantis_evm.c
+++ b/drivers/media/dvb/mantis/mantis_evm.c
@@ -27,19 +27,11 @@ static void mantis_hifevm_work(struct work_struct *work)
struct mantis_ca *ca = container_of(work, struct mantis_ca, hif_evm_work);
struct mantis_pci *mantis = ca->ca_priv;
- u32 gpif_stat, gpif_mask, rst_mask, rst_stat;
-
- rst_mask = MANTIS_GPIF_WRACK |
- MANTIS_GPIF_OTHERR |
- MANTIS_SBUF_WSTO |
- MANTIS_GPIF_EXTIRQ;
+ u32 gpif_stat, gpif_mask;
gpif_stat = mmread(MANTIS_GPIF_STATUS);
gpif_mask = mmread(MANTIS_GPIF_IRQCFG);
- rst_stat = gpif_stat & rst_mask;
- mmwrite(rst_stat, MANTIS_GPIF_STATUS);
-
if (gpif_stat & MANTIS_GPIF_DETSTAT) {
if (gpif_stat & MANTIS_CARD_PLUGIN) {
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): CAM Plugin", mantis->num);
@@ -60,13 +52,13 @@ static void mantis_hifevm_work(struct work_struct *work)
}
}
- if (gpif_stat & MANTIS_GPIF_EXTIRQ)
+ if (mantis->gpif_status & MANTIS_GPIF_EXTIRQ)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Ext IRQ", mantis->num);
- if (gpif_stat & MANTIS_SBUF_WSTO)
+ if (mantis->gpif_status & MANTIS_SBUF_WSTO)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Timeout", mantis->num);
- if (gpif_stat & MANTIS_GPIF_OTHERR)
+ if (mantis->gpif_status & MANTIS_GPIF_OTHERR)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Alignment Error", mantis->num);
if (gpif_stat & MANTIS_SBUF_OVFLW)
@@ -75,7 +67,7 @@ static void mantis_hifevm_work(struct work_struct *work)
if (gpif_stat & MANTIS_GPIF_BRRDY)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Smart Buffer Read Ready", mantis->num);
- if (gpif_stat & MANTIS_GPIF_WRACK)
+ if (mantis->gpif_status & MANTIS_GPIF_WRACK)
dprintk(verbose, MANTIS_DEBUG, 1, "Event Mgr: Adapter(%d) Slot(0): Slave Write ACK", mantis->num);
if (gpif_stat & MANTIS_GPIF_INTSTAT)
diff --git a/drivers/media/dvb/mantis/mantis_pci.c b/drivers/media/dvb/mantis/mantis_pci.c
index 4873fa9586e..f57e2a43b9e 100644
--- a/drivers/media/dvb/mantis/mantis_pci.c
+++ b/drivers/media/dvb/mantis/mantis_pci.c
@@ -53,6 +53,8 @@ MODULE_DEVICE_TABLE(pci, mantis_pci_table);
static irqreturn_t mantis_pci_irq(int irq, void *dev_id)
{
u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
+ u32 rst_stat = 0, rst_mask = 0;
+
struct mantis_pci *mantis;
struct mantis_ca *ca;
@@ -69,6 +71,15 @@ static irqreturn_t mantis_pci_irq(int irq, void *dev_id)
if (!(stat & mask))
return IRQ_NONE;
+ rst_mask = MANTIS_GPIF_WRACK |
+ MANTIS_GPIF_OTHERR |
+ MANTIS_SBUF_WSTO |
+ MANTIS_GPIF_EXTIRQ;
+
+ rst_stat = mmread(MANTIS_GPIF_STATUS);
+ rst_stat &= rst_mask;
+ mmwrite(rst_stat, MANTIS_GPIF_STATUS);
+
mantis->mantis_int_stat = stat;
mantis->mantis_int_mask = mask;
dprintk(verbose, MANTIS_DEBUG, 0, "=== Interrupts[%04x/%04x]= [", stat, mask);
@@ -77,6 +88,7 @@ static irqreturn_t mantis_pci_irq(int irq, void *dev_id)
}
if (stat & MANTIS_INT_IRQ0) {
dprintk(verbose, MANTIS_DEBUG, 0, "* INT IRQ-0 *");
+ mantis->gpif_status = rst_stat;
schedule_work(&ca->hif_evm_work);
}
if (stat & MANTIS_INT_IRQ1) {