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| author | Kamil Debski <k.debski@samsung.com> | 2013-10-07 18:23:49 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:44:52 +0900 |
| commit | c9852a94fd231af04113d951b53e5d120cbedeff (patch) | |
| tree | de4264ae01efe4d73eca8e5cf669b87a351ffa1c /drivers/phy | |
| parent | dd74a535d1e8e6146b14fb241104764c574d9c2e (diff) | |
| download | linux-3.10-c9852a94fd231af04113d951b53e5d120cbedeff.tar.gz linux-3.10-c9852a94fd231af04113d951b53e5d120cbedeff.tar.bz2 linux-3.10-c9852a94fd231af04113d951b53e5d120cbedeff.zip | |
phy: exynos: Change order of initialization of phy in power_on
The order was changed to turn power on first and the disable the physical
isolation.
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Phy driver change - order of init - to be squashed
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/phy-exynos4210-usb.c | 24 | ||||
| -rw-r--r-- | drivers/phy/phy-exynos4212-usb.c | 2 |
2 files changed, 3 insertions, 23 deletions
diff --git a/drivers/phy/phy-exynos4210-usb.c b/drivers/phy/phy-exynos4210-usb.c index d75a5546327..6102aac2447 100644 --- a/drivers/phy/phy-exynos4210-usb.c +++ b/drivers/phy/phy-exynos4210-usb.c @@ -222,19 +222,9 @@ static int exynos4210_power_on(struct uphy_instance *inst) if (inst->ref_cnt > 1) return 0; - exynos4210_isol(inst, 0); + /* Order of initialisation is important - first power then isolation */ exynos4210_phy_pwr(inst, 1); - - /* Power on the device, as it is necessary for HSIC to work */ - if (inst->cfg->id == EXYNOS4210_HOST) { - struct uphy_instance *device = - &drv->uphy_instances[EXYNOS4210_DEVICE]; - device->ref_cnt++; - if (device->ref_cnt > 1) - return 0; - exynos4210_phy_pwr(device, 1); - exynos4210_isol(device, 0); - } + exynos4210_isol(inst, 0); return 0; } @@ -257,16 +247,6 @@ static int exynos4210_power_off(struct uphy_instance *inst) exynos4210_phy_pwr(inst, 0); exynos4210_isol(inst, 1); - if (inst->cfg->id == EXYNOS4210_HOST) { - struct uphy_instance *device = - &drv->uphy_instances[EXYNOS4210_DEVICE]; - device->ref_cnt--; - if (device->ref_cnt > 0) - return 0; - exynos4210_phy_pwr(device, 0); - exynos4210_isol(device, 1); - } - return 0; } diff --git a/drivers/phy/phy-exynos4212-usb.c b/drivers/phy/phy-exynos4212-usb.c index 80480a4facf..b7de33f6324 100644 --- a/drivers/phy/phy-exynos4212-usb.c +++ b/drivers/phy/phy-exynos4212-usb.c @@ -255,8 +255,8 @@ static int exynos4212_power_on(struct uphy_instance *inst) if (inst->ref_cnt > 1) return 0; - exynos4212_isol(inst, 0); exynos4212_phy_pwr(inst, 1); + exynos4212_isol(inst, 0); /* Power on the device, as it is necessary for HSIC to work */ if (inst->cfg->id == EXYNOS4212_HSIC0) { |