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authorAlex Dubov <oakad@yahoo.com>2007-04-12 16:59:12 +1000
committerPierre Ossman <drzeus@drzeus.cx>2007-05-01 13:04:12 +0200
commit4552f0cbd45225f2c1cbadc224505f14f8749569 (patch)
tree026448e7321fa5c24f3f85c7f330fe112241c901 /drivers/misc/tifm_7xx1.c
parent5721dbf217b073b40e31936781379ab2d17ea2ae (diff)
downloadlinux-4552f0cbd45225f2c1cbadc224505f14f8749569.tar.bz2
tifm: hide details of interrupt processing from socket drivers
Instead of passing transformed value of adapter interrupt status to socket drivers, implement two separate callbacks - one for card events and another for dma events. Signed-off-by: Alex Dubov <oakad@yahoo.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/misc/tifm_7xx1.c')
-rw-r--r--drivers/misc/tifm_7xx1.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index bc60e2fc3c2c..d6652b3301dc 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -14,7 +14,13 @@
#include <linux/freezer.h>
#define DRIVER_NAME "tifm_7xx1"
-#define DRIVER_VERSION "0.7"
+#define DRIVER_VERSION "0.8"
+
+#define TIFM_IRQ_ENABLE 0x80000000
+#define TIFM_IRQ_SOCKMASK(x) (x)
+#define TIFM_IRQ_CARDMASK(x) ((x) << 8)
+#define TIFM_IRQ_FIFOMASK(x) ((x) << 16)
+#define TIFM_IRQ_SETALL 0xffffffff
static void tifm_7xx1_eject(struct tifm_adapter *fm, struct tifm_dev *sock)
{
@@ -31,7 +37,7 @@ static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id)
struct tifm_adapter *fm = dev_id;
struct tifm_dev *sock;
unsigned int irq_status;
- unsigned int sock_irq_status, cnt;
+ unsigned int cnt;
spin_lock(&fm->lock);
irq_status = readl(fm->addr + FM_INTERRUPT_STATUS);
@@ -45,12 +51,12 @@ static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id)
for (cnt = 0; cnt < fm->num_sockets; cnt++) {
sock = fm->sockets[cnt];
- sock_irq_status = (irq_status >> cnt)
- & (TIFM_IRQ_FIFOMASK(1)
- | TIFM_IRQ_CARDMASK(1));
-
- if (sock && sock_irq_status)
- sock->signal_irq(sock, sock_irq_status);
+ if (sock) {
+ if ((irq_status >> cnt) & TIFM_IRQ_FIFOMASK(1))
+ sock->data_event(sock);
+ if ((irq_status >> cnt) & TIFM_IRQ_CARDMASK(1))
+ sock->card_event(sock);
+ }
}
fm->socket_change_set |= irq_status