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wl12xx: set the irq polarity before loading the fw

The polarity should be set before the firmware is loaded
since the firmware touches the same register. Access
of the firmware and driver to the same register will
cause a collision since there is no exclusion scheme.

Signed-off-by: Yoni Divinsky <yoni.divinsky@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Yoni Divinsky 2012-05-08 14:02:12 +03:00 committed by Luciano Coelho
parent 2e42c203a9
commit 4a6c789b73

View File

@ -995,7 +995,7 @@ out:
static void wl12xx_pre_upload(struct wl1271 *wl)
{
u32 tmp;
u32 tmp, polarity;
/* write firmware's last address (ie. it's length) to
* ACX_EEPROMLESS_IND_REG */
@ -1015,18 +1015,18 @@ static void wl12xx_pre_upload(struct wl1271 *wl)
if (wl->chip.id == CHIP_ID_1283_PG20)
wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA);
}
static void wl12xx_enable_interrupts(struct wl1271 *wl)
{
u32 polarity;
/* polarity must be set before the firmware is loaded */
polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY);
/* We use HIGH polarity, so unset the LOW bit */
polarity &= ~POLARITY_LOW;
wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity);
}
static void wl12xx_enable_interrupts(struct wl1271 *wl)
{
wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR);
wlcore_enable_interrupts(wl);