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* Using atomic_{get|set} instead of HAIKU_INTR* macros.

Browse Source 
* Using conditional compiliation instead of just deleting original code
  to easen future driver updates.
* Coding style cleanup.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34816 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Colin Günther 2009-12-29 22:48:07 +00:00
parent 8645a5715e
commit f9ee2947df
3 changed files with 32 additions and 33 deletions
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22
src/add-ons/kernel/drivers/network/wlan/marvell88w8363/dev/mwl/if_mwl.c
View File

@ -821,11 +821,25 @@ mwl_intr(void *arg)
struct mwl_softc *sc = arg;
struct mwl_hal *mh = sc->sc_mh;
uint32_t status;
HAIKU_INTR_REGISTER_STATE;
HAIKU_INTR_REGISTER_ENTER();
status = sc->sc_lastisr;
HAIKU_INTR_REGISTER_LEAVE();
#if !defined(__HAIKU__)
if (sc->sc_invalid) {
/*
* The hardware is not ready/present, don't touch anything.
* Note this can happen early on if the IRQ is shared.
*/
DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid; ignored\n", __func__);
return;
}
/*
* Figure out the reason(s) for the interrupt.
*/
mwl_hal_getisr(mh, &status); /* NB: clears ISR too */
if (status == 0) /* must be a shared irq */
return;
#else
status = atomic_get((int32 *)&sc->sc_intr_status);
#endif
DPRINTF(sc, MWL_DEBUG_INTR, "%s: status 0x%x imask 0x%x\n",
__func__, status, sc->sc_imask);

4
src/add-ons/kernel/drivers/network/wlan/marvell88w8363/dev/mwl/if_mwlvar.h
View File

@ -332,7 +332,9 @@ struct mwl_softc {
struct mwl_tx_radiotap_header sc_tx_th;
struct mwl_rx_radiotap_header sc_rx_th;
uint32_t sc_lastisr;
#if defined(__HAIKU__)
uint32_t sc_intr_status;
#endif
};
#define MWL_LOCK_INIT(_sc) \

39
src/add-ons/kernel/drivers/network/wlan/marvell88w8363/glue.c
View File

@ -28,41 +28,24 @@ HAIKU_CHECK_DISABLE_INTERRUPTS(device_t dev)
{
struct mwl_softc* sc = (struct mwl_softc*)device_get_softc(dev);
struct mwl_hal* mh = sc->sc_mh;
HAIKU_INTR_REGISTER_STATE;
uint32_t intr_status;
if (sc->sc_invalid) {
/*
* The hardware is not ready/present, don't touch anything.
* Note this can happen early on if the IRQ is shared.
*/
if (sc->sc_invalid)
// The hardware is not ready/present, don't touch anything.
// Note this can happen early on if the IRQ is shared.
return 0;
}
HAIKU_INTR_REGISTER_ENTER();
mwl_hal_getisr(mh, &intr_status);
// NB: clears ISR too
/*
* We have to save the isr status right now.
* Some devices don't like having the interrupt disabled
* before accessing the isr status.
*
* Those devices return status 0, when status access
* occurs after disabling the interrupts with mwl_hal_intrset.
*
* Note: This glue.c is based on the one for the atheros wlan driver.
* So the comment above isn't based on tests on real marvell hardware.
* But due to the similarities in both drivers I just go the safe
* route here. It doesn't do any harm, but may prevent hard to spot
* bugs.
*/
mwl_hal_getisr(mh, &sc->sc_lastisr); /* NB: clears ISR too */
if (sc->sc_lastisr == 0) { /* must be a shared irq */
HAIKU_INTR_REGISTER_LEAVE();
if (intr_status == 0)
// must be a shared irq
return 0;
}
mwl_hal_intrset(mh, 0); // disable further intr's
atomic_set((int32*)&sc->sc_intr_status, intr_status);
HAIKU_INTR_REGISTER_LEAVE();
mwl_hal_intrset(mh, 0);
// disable further intr's
return 1;
}