redonkable/alistair23-linux
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wl1251: add power callback to wl1251_if_operations

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Call interface specific power callback before calling board specific
one. Also allow that callback to fail. This is how it's done for
wl1271 and will be used for runtime_pm support.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Grazvydas Ignotas 2010-11-04 00:13:47 +02:00 committed by John W. Linville
parent f81c1f4838
commit cb7bbc7a55
4 changed files with 25 additions and 8 deletions
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15
drivers/net/wireless/wl1251/main.c
View file

@ -52,14 +52,14 @@ void wl1251_disable_interrupts(struct wl1251 *wl)
wl->if_ops->disable_irq(wl);
}
static void wl1251_power_off(struct wl1251 *wl)
static int wl1251_power_off(struct wl1251 *wl)
{
wl->set_power(false);
return wl->if_ops->power(wl, false);
}
static void wl1251_power_on(struct wl1251 *wl)
static int wl1251_power_on(struct wl1251 *wl)
{
wl->set_power(true);
return wl->if_ops->power(wl, true);
}
static int wl1251_fetch_firmware(struct wl1251 *wl)
@ -152,9 +152,12 @@ static void wl1251_fw_wakeup(struct wl1251 *wl)
static int wl1251_chip_wakeup(struct wl1251 *wl)
{
int ret = 0;
int ret;
ret = wl1251_power_on(wl);
if (ret < 0)
return ret;
wl1251_power_on(wl);
msleep(WL1251_POWER_ON_SLEEP);
wl->if_ops->reset(wl);

8
drivers/net/wireless/wl1251/sdio.c
View file

@ -171,8 +171,12 @@ static void wl1251_disable_line_irq(struct wl1251 *wl)
return disable_irq(wl->irq);
}
static void wl1251_sdio_set_power(bool enable)
static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable)
{
if (wl->set_power)
wl->set_power(enable);
return 0;
}
static struct wl1251_if_operations wl1251_sdio_ops = {
@ -181,6 +185,7 @@ static struct wl1251_if_operations wl1251_sdio_ops = {
.write_elp = wl1251_sdio_write_elp,
.read_elp = wl1251_sdio_read_elp,
.reset = wl1251_sdio_reset,
.power = wl1251_sdio_set_power,
};
static int wl1251_platform_probe(struct platform_device *pdev)
@ -239,7 +244,6 @@ static int wl1251_sdio_probe(struct sdio_func *func,
wl_sdio->func = func;
wl->if_priv = wl_sdio;
wl->if_ops = &wl1251_sdio_ops;
wl->set_power = wl1251_sdio_set_power;
if (wl12xx_board_data != NULL) {
wl->set_power = wl12xx_board_data->set_power;

9
drivers/net/wireless/wl1251/spi.c
View file

@ -215,12 +215,21 @@ static void wl1251_spi_disable_irq(struct wl1251 *wl)
return disable_irq(wl->irq);
}
static int wl1251_spi_set_power(struct wl1251 *wl, bool enable)
{
if (wl->set_power)
wl->set_power(enable);
return 0;
}
static const struct wl1251_if_operations wl1251_spi_ops = {
.read = wl1251_spi_read,
.write = wl1251_spi_write,
.reset = wl1251_spi_reset_wake,
.enable_irq = wl1251_spi_enable_irq,
.disable_irq = wl1251_spi_disable_irq,
.power = wl1251_spi_set_power,
};
static int __devinit wl1251_spi_probe(struct spi_device *spi)

1
drivers/net/wireless/wl1251/wl1251.h
View file

@ -256,6 +256,7 @@ struct wl1251_if_operations {
void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
int (*power)(struct wl1251 *wl, bool enable);
void (*reset)(struct wl1251 *wl);
void (*enable_irq)(struct wl1251 *wl);
void (*disable_irq)(struct wl1251 *wl);