Hi! > There's something very wrong with /dev/ttyUSB4 in recent kernels: > unsolicited incoming data from the modem are getting lost; I believe > it means also SMS notifications, but it is very easy to reproduce with > incoming call notifications. > > They just don't come. > > But if you keep pasting "AT" into minicom, they actually do. > > Of course... that means that trying to debug ofono is ... "interesting". > > I tried playing with > /sys/bus/platform/drivers/phy-mapphone-mdm6600/usb-phy\@1/power/control > files and timeouts, but could not get it to work. > > Any idea what could be wrong there? > > Is there easy way to disable power management for testing?
I tried this... and it did not fix the problem :-(.
Pavel
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c
b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 94a34cf75eb3..7ddf5aa35105 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -21,7 +21,7 @@
#define PHY_MDM6600_PHY_DELAY_MS 4000 /* PHY enable 2.2s to 3.5s */
#define PHY_MDM6600_ENABLED_DELAY_MS 8000 /* 8s more total for MDM6600 */
#define PHY_MDM6600_WAKE_KICK_MS 600 /* time on after GPIO toggle */
-#define MDM6600_MODEM_IDLE_DELAY_MS 1000 /* modem after USB suspend */
+#define MDM6600_MODEM_IDLE_DELAY_MS 100000000 /* modem after USB
suspend */
#define MDM6600_MODEM_WAKE_DELAY_MS 200 /* modem response after idle */
enum phy_mdm6600_ctrl_lines {
--
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http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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