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Commit Graph

6 Commits

Author SHA1 Message Date
Bhumika Goyal
a8df2768c2 drivers: phy: constify phy_ops structures
Declare phy_ops structures as const as they are only passed as an
argument to the function devm_phy_create. This argument is of type const
struct phy_ops *, so phy_ops structures having this property can be
declared as const.
Done using Coccinelle:

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2017-01-16 16:41:51 +05:30
Chunfeng Yun
e1d76530d7 phy: phy-mt65xx-usb3: add support for mt2701 platform
Add a new OF device ID for mt2701

Some register settings to avoid RX sensitivity level degradation
which may arise on mt8173 platform are separated from other
platforms.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30 20:12:27 +05:30
Chunfeng Yun
75f072f9ea phy: phy-mt65xx-usb3: improve HS eye diagram
calibrate HS slew rate and switch 100uA current to SSUSB
to improve HS eye diagram of HQA test.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-20 15:21:37 +05:30
Chunfeng Yun
43f53b1907 phy: phy-mt65xx-usb3: fix test fail of HS receiver sensitivity
when use the default value 8 of RG_USB20_SQTH, the HS receiver
sensitivity test of HQA will fail, set it as 2 to fix up the
issue.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-20 15:21:37 +05:30
Julia Lawall
2bb80ccda1 phy: mt65xx-usb3: add missing of_node_put
for_each_child_of_node performs an of_node_get on each iteration,
so a return from the middle of the loop requires an of_node_put.

A simplified version of the semantic patch that finds this problem is as
follows (http://coccinelle.lip6.fr):

// <smpl>
@@
expression root,e;
local idexpression child;
@@

 for_each_child_of_node(root, child) {
   ... when != of_node_put(child)
       when != e = child
(
   return child;
|
*  return ...;
)
   ...
 }
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-03 12:28:23 +05:30
Chunfeng Yun
dc7f190fd5 phy: add usb3.0 phy driver for mt65xx SoCs
support usb3.0 phy of mt65xx SoCs

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-06 20:21:47 +05:30