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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-26 15:59:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-26 15:59:26 -0700 |
| commit | 2a298679b41199ae742a77ce69766385dffe816f (patch) | |
| tree | 93a23c0d828ccca7053f604dbfcdd4d3278972b3 /Documentation/phy.txt | |
| parent | 8c7febe83915332276cab49e89f6580bb963fb9a (diff) | |
| parent | 50641056d833813b71b0ad51823f7ded8dd62e7f (diff) | |
Merge tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 4.2-rc1. As is normal these days, the
majority of changes are in the gadget drivers, with a bunch of other
small driver changes.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
usb: dwc3: Use ASCII space in Kconfig
usb: chipidea: add work-around for Marvell HSIC PHY startup
usb: chipidea: allow multiple instances to use default ci_default_pdata
dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
phy: add Marvell HSIC 28nm PHY
phy: Add Marvell USB 2.0 OTG 28nm PHY
dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
USB: ssb: use devm_kzalloc
USB: ssb: fix error handling in ssb_hcd_create_pdev()
usb: isp1760: check for null return from kzalloc
cdc-acm: Add support of ATOL FPrint fiscal printers
usb: chipidea: usbmisc_imx: Remove unneeded semicolon
USB: usbtmc: add device quirk for Rigol DS6104
USB: serial: mos7840: Use setup_timer
phy: twl4030-usb: add ABI documentation
phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
phy: twl4030-usb: make runtime pm more reliable.
drivers:usb:fsl: Fix compilation error for fsl ehci drv
usb: renesas_usbhs: Don't disable the pipe if Control write status stage
...
Diffstat (limited to 'Documentation/phy.txt')
| -rw-r--r-- | Documentation/phy.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/phy.txt b/Documentation/phy.txt index 371361c69a4b..b388c5af9e72 100644 --- a/Documentation/phy.txt +++ b/Documentation/phy.txt @@ -76,6 +76,8 @@ struct phy *phy_get(struct device *dev, const char *string); struct phy *phy_optional_get(struct device *dev, const char *string); struct phy *devm_phy_get(struct device *dev, const char *string); struct phy *devm_phy_optional_get(struct device *dev, const char *string); +struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, + int index); phy_get, phy_optional_get, devm_phy_get and devm_phy_optional_get can be used to get the PHY. In the case of dt boot, the string arguments @@ -86,7 +88,10 @@ successful PHY get. On driver detach, release function is invoked on the the devres data and devres data is freed. phy_optional_get and devm_phy_optional_get should be used when the phy is optional. These two functions will never return -ENODEV, but instead returns NULL when -the phy cannot be found. +the phy cannot be found.Some generic drivers, such as ehci, may use multiple +phys and for such drivers referencing phy(s) by name(s) does not make sense. In +this case, devm_of_phy_get_by_index can be used to get a phy reference based on +the index. It should be noted that NULL is a valid phy reference. All phy consumer calls on the NULL phy become NOPs. That is the release calls, |