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greybus: arche-platform: Make fw_flashing_seq() return error

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Make arche_platform_fw_flashing_seq() return error value, needed
later when we add clock enable support for FW flashing.

Testing Done: Tested on EVT1.5 platform.

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Tested-by: Michael Scott <michael.scott@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Vaibhav Hiremath 2016-05-24 18:32:02 +05:30 committed by Greg Kroah-Hartman
parent 91a8030f78
commit c61a8b4984
1 changed files with 6 additions and 3 deletions
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9
drivers/staging/greybus/arche-platform.c
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@ -335,10 +335,10 @@ static int arche_platform_coldboot_seq(struct arche_platform_drvdata *arche_pdat
/*
* Requires arche_pdata->platform_state_mutex to be held
*/
static void arche_platform_fw_flashing_seq(struct arche_platform_drvdata *arche_pdata)
static int arche_platform_fw_flashing_seq(struct arche_platform_drvdata *arche_pdata)
{
if (arche_pdata->state == ARCHE_PLATFORM_STATE_FW_FLASHING)
return;
return 0;
dev_info(arche_pdata->dev, "Switching to FW flashing state\n");
@ -353,6 +353,7 @@ static void arche_platform_fw_flashing_seq(struct arche_platform_drvdata *arche_
arche_platform_set_state(arche_pdata, ARCHE_PLATFORM_STATE_FW_FLASHING);
return 0;
}
/*
@ -424,7 +425,9 @@ static ssize_t state_store(struct device *dev,
arche_platform_poweroff_seq(arche_pdata);
arche_platform_fw_flashing_seq(arche_pdata);
ret = arche_platform_fw_flashing_seq(arche_pdata);
if (ret)
goto exit;
device_for_each_child(arche_pdata->dev, NULL, apb_fw_flashing_state);
} else {