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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2014-05-08 07:27:55 +0200 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2014-05-15 07:29:24 +0200 |
| commit | 08d09480ddf146f5688d48a8c397d78cb05f9747 (patch) | |
| tree | f513a73415b9b20ee9cf4e441976c1f12de5f1d8 /drivers/phy | |
| parent | 0aa74d95d2bc85e1ae016e06c4c967ecc0cb2bab (diff) | |
| download | linux-3.10-08d09480ddf146f5688d48a8c397d78cb05f9747.tar.gz linux-3.10-08d09480ddf146f5688d48a8c397d78cb05f9747.tar.bz2 linux-3.10-08d09480ddf146f5688d48a8c397d78cb05f9747.zip | |
Revert "phy: exynos-usb: Remove ref counting for additional reset for Exynos4212"
This reverts commit f600e05157a6d3d38f87260f5caa88918cac129e.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Id87eb3479a353d34f58092973e2896bdacaf9c2a
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/phy-exynos4212-usb.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/phy/phy-exynos4212-usb.c b/drivers/phy/phy-exynos4212-usb.c index a9fa15d9153..b7de33f6324 100644 --- a/drivers/phy/phy-exynos4212-usb.c +++ b/drivers/phy/phy-exynos4212-usb.c @@ -262,6 +262,9 @@ static int exynos4212_power_on(struct uphy_instance *inst) if (inst->cfg->id == EXYNOS4212_HSIC0) { struct uphy_instance *device = &drv->uphy_instances[EXYNOS4212_DEVICE]; + device->ref_cnt++; + if (device->ref_cnt > 1) + return 0; exynos4212_phy_pwr(device, 1); exynos4212_isol(device, 0); } @@ -291,6 +294,9 @@ static int exynos4212_power_off(struct uphy_instance *inst) if (inst->cfg->id == EXYNOS4212_HSIC0) { struct uphy_instance *device = &drv->uphy_instances[EXYNOS4212_DEVICE]; + device->ref_cnt--; + if (device->ref_cnt > 0) + return 0; exynos4212_phy_pwr(device, 0); exynos4212_isol(device, 1); } |