| Message ID | 20180517185029.71716-6-tony@atomide.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Kalle Valo |
| Headers | show |
diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -188,6 +188,13 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue) return error; } + if (error == -EBUSY) { + dev_warn(&card->dev, + "%s: wlcore write did not yet complete?\n", + __func__); + dump_stack(); + } + return 0; }
We may get -EBUSY from runtime PM and that most likely means some earlier wlcore command did not complete yet and further calls may fail. Let's add a warning to make it easier to track down and fix such issues in wlcore code. Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/net/wireless/ti/wlcore/sdio.c | 7 +++++++ 1 file changed, 7 insertions(+)