diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/wilc1000/wilc_sdio.c | 14 | ||||
| -rw-r--r-- | drivers/staging/wilc1000/wilc_wfi_netdevice.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/staging/wilc1000/wilc_sdio.c b/drivers/staging/wilc1000/wilc_sdio.c index 2f9aa36e0114..c787c5da8f2b 100644 --- a/drivers/staging/wilc1000/wilc_sdio.c +++ b/drivers/staging/wilc1000/wilc_sdio.c @@ -4,6 +4,7 @@ * All rights reserved. */ +#include <linux/clk.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/host.h> @@ -151,6 +152,12 @@ static int wilc_sdio_probe(struct sdio_func *func, wilc->dev = &func->dev; wilc->gpio_irq = gpio; + wilc->rtc_clk = devm_clk_get(&func->card->dev, "rtc_clk"); + if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + else if (!IS_ERR(wilc->rtc_clk)) + clk_prepare_enable(wilc->rtc_clk); + dev_info(&func->dev, "Driver Initializing success\n"); return 0; } @@ -162,6 +169,10 @@ static void wilc_sdio_remove(struct sdio_func *func) /* free the GPIO in module remove */ if (wilc->gpio_irq) gpiod_put(wilc->gpio_irq); + + if (!IS_ERR(wilc->rtc_clk)) + clk_disable_unprepare(wilc->rtc_clk); + wilc_netdev_cleanup(wilc); } @@ -193,6 +204,9 @@ static int wilc_sdio_suspend(struct device *dev) dev_info(dev, "sdio suspend\n"); chip_wakeup(wilc); + if (!IS_ERR(wilc->rtc_clk)) + clk_disable_unprepare(wilc->rtc_clk); + if (wilc->suspend_event) { host_sleep_notify(wilc); chip_allow_sleep(wilc); diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h index 7e7ce9471f67..978a8bdbfc40 100644 --- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h +++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h @@ -216,6 +216,7 @@ struct wilc { int io_type; s8 mac_status; struct gpio_desc *gpio_irq; + struct clk *rtc_clk; bool initialized; int dev_irq_num; int close; |