From: Kishon Vijay Abraham I <kishon@ti.com>
To: <gregkh@linuxfoundation.org>
Cc: <kishon@ti.com>, <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/3] phy: rockchip-usb: power down phy when rockchip phy probe
Date: Tue, 29 Sep 2015 12:05:23 +0530 [thread overview]
Message-ID: <1443508524-7546-3-git-send-email-kishon@ti.com> (raw)
In-Reply-To: <1443508524-7546-1-git-send-email-kishon@ti.com>
From: huang lin <hl@rock-chips.com>
rockchip phy are enable when soc reset, to save power consumption,
we disable it when probe, and enable each phy when it use
Signed-off-by: huang lin <hl@rock-chips.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
drivers/phy/phy-rockchip-usb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 5a5c073..91d6f34 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -98,6 +98,7 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
struct device_node *child;
struct regmap *grf;
unsigned int reg_offset;
+ int err;
grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
if (IS_ERR(grf)) {
@@ -129,6 +130,11 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
return PTR_ERR(rk_phy->phy);
}
phy_set_drvdata(rk_phy->phy, rk_phy);
+
+ /* only power up usb phy when it use, so disable it when init*/
+ err = rockchip_usb_phy_power(rk_phy, 1);
+ if (err)
+ return err;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
--
1.7.9.5
next prev parent reply other threads:[~2015-09-29 6:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 6:35 [GIT PULL] phy: for 4.3 -rc Kishon Vijay Abraham I
2015-09-29 6:35 ` [PATCH 1/3] phy: qcom-ufs: fix build error when the component is built as a module Kishon Vijay Abraham I
2015-09-29 6:35 ` Kishon Vijay Abraham I [this message]
2015-09-29 6:35 ` [PATCH 3/3] phy: berlin-sata: Fix module autoload for OF platform driver Kishon Vijay Abraham I
2015-10-03 11:41 ` [GIT PULL] phy: for 4.3 -rc Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1443508524-7546-3-git-send-email-kishon@ti.com \
--to=kishon@ti.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®