According to spmi spec a slave powers up into startup state and then transitions into active state. Thus, the wakeup command is not required before calling the slave's probe. The wakeup command is only needed for slaves that are in sleep state after receiving the sleep command. Cc: galak@xxxxxxxxxxxxxx Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> Reviewed-by: Sagar Dharia <sdharia@xxxxxxxxxxxxxx> Acked-by: Josh Cartwright <joshc@xxxxxxxxxxxx> Signed-off-by: Gilad Avidov <gavidov@xxxxxxxxxxxxxx> --- drivers/spmi/spmi.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index 1d92f51..9493843 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -1,4 +1,5 @@ -/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -316,11 +317,6 @@ static int spmi_drv_probe(struct device *dev) struct spmi_device *sdev = to_spmi_device(dev); int err; - /* Ensure the slave is in ACTIVE state */ - err = spmi_command_wakeup(sdev); - if (err) - goto fail_wakeup; - pm_runtime_get_noresume(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); @@ -335,7 +331,6 @@ fail_probe: pm_runtime_disable(dev); pm_runtime_set_suspended(dev); pm_runtime_put_noidle(dev); -fail_wakeup: return err; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
