diff options
Diffstat (limited to 'patches.tizen/0842-phy-exynos-Change-order-of-initialization-of-phy-in-.patch')
| -rw-r--r-- | patches.tizen/0842-phy-exynos-Change-order-of-initialization-of-phy-in-.patch | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/patches.tizen/0842-phy-exynos-Change-order-of-initialization-of-phy-in-.patch b/patches.tizen/0842-phy-exynos-Change-order-of-initialization-of-phy-in-.patch new file mode 100644 index 00000000000..54589d409eb --- /dev/null +++ b/patches.tizen/0842-phy-exynos-Change-order-of-initialization-of-phy-in-.patch @@ -0,0 +1,79 @@ +From 76b58e12d107da58b45d2fd27087a0360ab379a6 Mon Sep 17 00:00:00 2001 +From: Kamil Debski <k.debski@samsung.com> +Date: Mon, 7 Oct 2013 18:23:49 +0200 +Subject: [PATCH 0842/1302] 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 + +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/phy/phy-exynos4210-usb.c | 24 ++---------------------- + 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 d75a554..6102aac 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 80480a4..b7de33f 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) { +-- +1.8.3.2 + |