Add required suspend/resume support to prevent the SDIO
core from removing our card completely during system suspend.
Signed-off-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx>
---
drivers/net/wireless/wl12xx/wl1271_sdio.c | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c
index f7bef32..784ef34 100644
--- a/drivers/net/wireless/wl12xx/wl1271_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c
@@ -290,11 +290,31 @@ static void __devexit wl1271_remove(struct sdio_func *func)
wl1271_free_hw(wl);
}
+static int wl1271_suspend(struct device *dev)
+{
+ /* Tell MMC/SDIO core it's OK to power down the card
+ * (if it isn't already), but not to remove it completely */
+ return 0;
+}
+
+static int wl1271_resume(struct device *dev)
+{
+ return 0;
+}
+
+static const struct dev_pm_ops wl1271_sdio_pm_ops = {
+ .suspend = wl1271_suspend,
+ .resume = wl1271_resume,
+};
+
static struct sdio_driver wl1271_sdio_driver = {
.name = "wl1271_sdio",
.id_table = wl1271_devices,
.probe = wl1271_probe,
.remove = __devexit_p(wl1271_remove),
+ .drv = {
+ .pm = &wl1271_sdio_pm_ops,
+ },
};
static int __init wl1271_init(void)
--
1.7.0.4
--
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