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path: root/drivers/net/wireless/wl12xx/sdio.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/sdio.c')
-rw-r--r--drivers/net/wireless/wl12xx/sdio.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c
index 93cbb8d5aba9..5b9dbeafec06 100644
--- a/drivers/net/wireless/wl12xx/sdio.c
+++ b/drivers/net/wireless/wl12xx/sdio.c
@@ -28,6 +28,7 @@
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
#include <linux/gpio.h>
#include <linux/wl12xx.h>
#include <linux/pm_runtime.h>
@@ -60,7 +61,7 @@ static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl)
return &(wl_to_func(wl)->dev);
}
-static irqreturn_t wl1271_irq(int irq, void *cookie)
+static irqreturn_t wl1271_hardirq(int irq, void *cookie)
{
struct wl1271 *wl = cookie;
unsigned long flags;
@@ -69,17 +70,14 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
/* complete the ELP completion */
spin_lock_irqsave(&wl->wl_lock, flags);
+ set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
if (wl->elp_compl) {
complete(wl->elp_compl);
wl->elp_compl = NULL;
}
-
- if (!test_and_set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags))
- ieee80211_queue_work(wl->hw, &wl->irq_work);
- set_bit(WL1271_FLAG_IRQ_PENDING, &wl->flags);
spin_unlock_irqrestore(&wl->wl_lock, flags);
- return IRQ_HANDLED;
+ return IRQ_WAKE_THREAD;
}
static void wl1271_sdio_disable_interrupts(struct wl1271 *wl)
@@ -106,8 +104,6 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
int ret;
struct sdio_func *func = wl_to_func(wl);
- sdio_claim_host(func);
-
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x",
@@ -123,8 +119,6 @@ static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
}
- sdio_release_host(func);
-
if (ret)
wl1271_error("sdio read failed (%d)", ret);
}
@@ -135,8 +129,6 @@ static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
int ret;
struct sdio_func *func = wl_to_func(wl);
- sdio_claim_host(func);
-
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x",
@@ -152,8 +144,6 @@ static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
ret = sdio_memcpy_toio(func, addr, buf, len);
}
- sdio_release_host(func);
-
if (ret)
wl1271_error("sdio write failed (%d)", ret);
}
@@ -163,14 +153,18 @@ static int wl1271_sdio_power_on(struct wl1271 *wl)
struct sdio_func *func = wl_to_func(wl);
int ret;
- /* Power up the card */
+ /* Make sure the card will not be powered off by runtime PM */
ret = pm_runtime_get_sync(&func->dev);
if (ret < 0)
goto out;
+ /* Runtime PM might be disabled, so power up the card manually */
+ ret = mmc_power_restore_host(func->card->host);
+ if (ret < 0)
+ goto out;
+
sdio_claim_host(func);
sdio_enable_func(func);
- sdio_release_host(func);
out:
return ret;
@@ -179,12 +173,17 @@ out:
static int wl1271_sdio_power_off(struct wl1271 *wl)
{
struct sdio_func *func = wl_to_func(wl);
+ int ret;
- sdio_claim_host(func);
sdio_disable_func(func);
sdio_release_host(func);
- /* Power down the card */
+ /* Runtime PM might be disabled, so power off the card manually */
+ ret = mmc_power_save_host(func->card->host);
+ if (ret < 0)
+ return ret;
+
+ /* Let runtime PM know the card is powered off */
return pm_runtime_put_sync(&func->dev);
}
@@ -241,14 +240,14 @@ static int __devinit wl1271_probe(struct sdio_func *func,
wl->irq = wlan_data->irq;
wl->ref_clock = wlan_data->board_ref_clock;
- ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl);
+ ret = request_threaded_irq(wl->irq, wl1271_hardirq, wl1271_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ DRIVER_NAME, wl);
if (ret < 0) {
wl1271_error("request_irq() failed: %d", ret);
goto out_free;
}
- set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING);
-
disable_irq(wl->irq);
ret = wl1271_init_ieee80211(wl);
@@ -271,7 +270,6 @@ static int __devinit wl1271_probe(struct sdio_func *func,
out_irq:
free_irq(wl->irq, wl);
-
out_free:
wl1271_free_hw(wl);
@@ -345,3 +343,4 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");
MODULE_FIRMWARE(WL1271_FW_NAME);
+MODULE_FIRMWARE(WL1271_AP_FW_NAME);