On Mon, Jun 01, 2015 at 06:22:41PM +0530, Kishon Vijay Abraham I wrote: > Hi, > > On Friday 29 May 2015 08:34 PM, Felipe Balbi wrote: > >Hi, > > > >On Fri, May 29, 2015 at 05:04:38PM +0530, Kishon Vijay Abraham I wrote: > >>Hi Felipe, > >> > >>On Wednesday 27 May 2015 12:09 AM, Felipe Balbi wrote: > >>>On Tue, May 26, 2015 at 11:37:17AM -0700, Arun Ramamurthy wrote: > >>>>Hi > >>>> > >>>>On 15-05-26 07:19 AM, Felipe Balbi wrote: > >>>>>HI, > >>>>> > >>>>>On Mon, May 25, 2015 at 02:19:58PM -0700, Arun Ramamurthy wrote: > >>>>>> > >>>>>> > >>>>>>On 15-05-14 05:52 PM, Felipe Balbi wrote: > >>>>>>>Hi, > >>>>>>> > >>>>>>>On Wed, Apr 22, 2015 at 04:04:10PM -0700, Arun Ramamurthy wrote: > >>>>>>>>Most of the phy providers use "select" to enable GENERIC_PHY. Since > >>>>>>>>select > >>>>>>>>is only recommended when the config is not visible, GENERIC_PHY is > >>>>>>>>changed > >>>>>>>>an invisible option. To maintain consistency, all phy providers are > >>>>>>>>changed > >>>>>>>>to "select" GENERIC_PHY and all non-phy drivers use "depends on" when > >>>>>>>>the > >>>>>>>>phy framework is explicity required. USB_MUSB_OMAP2PLUS has a cyclic > >>>>>>>>dependency, so it is left as "select". > >>>>>>>> > >>>>>>>>Signed-off-by: Arun Ramamurthy <arun.ramamur...@broadcom.com> > >>>>>>>>--- > >>>>>>>> drivers/ata/Kconfig | 1 - > >>>>>>>> drivers/media/platform/exynos4-is/Kconfig | 2 +- > >>>>>>>> drivers/phy/Kconfig | 4 ++-- > >>>>>>>> drivers/usb/host/Kconfig | 4 ++-- > >>>>>>>> drivers/video/fbdev/exynos/Kconfig | 2 +- > >>>>>>>> 5 files changed, 6 insertions(+), 7 deletions(-) > >>>>>>>> > >>>>>>>>diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig > >>>>>>>>index 5f60155..6d2e881 100644 > >>>>>>>>--- a/drivers/ata/Kconfig > >>>>>>>>+++ b/drivers/ata/Kconfig > >>>>>>>>@@ -301,7 +301,6 @@ config SATA_MV > >>>>>>>> tristate "Marvell SATA support" > >>>>>>>> depends on PCI || ARCH_DOVE || ARCH_MV78XX0 || \ > >>>>>>>> ARCH_MVEBU || ARCH_ORION5X || COMPILE_TEST > >>>>>>>>- select GENERIC_PHY > >>>>>>>> help > >>>>>>>> This option enables support for the Marvell Serial ATA family. > >>>>>>>> Currently supports 88SX[56]0[48][01] PCI(-X) chips, > >>>>>>>>diff --git a/drivers/media/platform/exynos4-is/Kconfig > >>>>>>>>b/drivers/media/platform/exynos4-is/Kconfig > >>>>>>>>index b7b2e47..b6f3eaa 100644 > >>>>>>>>--- a/drivers/media/platform/exynos4-is/Kconfig > >>>>>>>>+++ b/drivers/media/platform/exynos4-is/Kconfig > >>>>>>>>@@ -31,7 +31,7 @@ config VIDEO_S5P_FIMC > >>>>>>>> config VIDEO_S5P_MIPI_CSIS > >>>>>>>> tristate "S5P/EXYNOS MIPI-CSI2 receiver (MIPI-CSIS) driver" > >>>>>>>> depends on REGULATOR > >>>>>>>>- select GENERIC_PHY > >>>>>>>>+ depends on GENERIC_PHY > >>>>>>>> help > >>>>>>>> This is a V4L2 driver for Samsung S5P and EXYNOS4 SoC > >>>>>>>> MIPI-CSI2 > >>>>>>>> receiver (MIPI-CSIS) devices. > >>>>>>>>diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig > >>>>>>>>index 2962de2..edecdb1 100644 > >>>>>>>>--- a/drivers/phy/Kconfig > >>>>>>>>+++ b/drivers/phy/Kconfig > >>>>>>>>@@ -5,7 +5,7 @@ > >>>>>>>> menu "PHY Subsystem" > >>>>>>>> > >>>>>>>> config GENERIC_PHY > >>>>>>>>- bool "PHY Core" > >>>>>>>>+ bool > >>>>>>>> help > >>>>>>>> Generic PHY support. > >>>>>>>> > >>>>>>>>@@ -72,7 +72,7 @@ config PHY_MIPHY365X > >>>>>>>> config PHY_RCAR_GEN2 > >>>>>>>> tristate "Renesas R-Car generation 2 USB PHY driver" > >>>>>>>> depends on ARCH_SHMOBILE > >>>>>>>>- depends on GENERIC_PHY > >>>>>>>>+ select GENERIC_PHY > >>>>>>> > >>>>>>>so some you changed from depends to select... > >>>>>>> > >>>>>>>> help > >>>>>>>> Support for USB PHY found on Renesas R-Car generation 2 SoCs. > >>>>>>>> > >>>>>>>>diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig > >>>>>>>>index 5ad60e4..e2197e2 100644 > >>>>>>>>--- a/drivers/usb/host/Kconfig > >>>>>>>>+++ b/drivers/usb/host/Kconfig > >>>>>>>>@@ -182,7 +182,7 @@ config USB_EHCI_HCD_SPEAR > >>>>>>>> config USB_EHCI_HCD_STI > >>>>>>>> tristate "Support for ST STiHxxx on-chip EHCI USB controller" > >>>>>>>> depends on ARCH_STI && OF > >>>>>>>>- select GENERIC_PHY > >>>>>>>>+ depends on GENERIC_PHY > >>>>>>> > >>>>>>>while others you changed from select to depends. > >>>>>>> > >>>>>>>NAK. > >>>>>>> > >>>>>>Felipe, I dont understand your concern, could you please explain it more > >>>>>>detail? The logic behind the changes is that in cases where there was > >>>>>>an > >>>>>>explicit dependency, I changed it to "depends on" and in other cases I > >>>>>>changed it to "selects". Thanks > >>>>> > >>>>>Since GENERIC_PHY is visible from Kconfig, it would be much nicer to > >>>>>avoid select altogether. > >>>>> > >>>>Felipe, after discussion with the maintainers, I have made GENERIC_PHY an > >>>>invisible option as part of this change. Thanks > >>> > >>>Then, if the option is invisible, how can you "depend" on it ? It can > >>>never be selected by poking around in Kconfig. IMO, it's > >>>counterintuitive that you need to enable a PHY driver before you can see > >>>your EHCI/OHCI/whatever controller listed in Kconfig. > >> > >>If the controller requires PHY for it to be functional, it is okay to make > >>the controller depend on PHY IMHO. We want to try and minimize the usage of > >>'select' wherever possible or else 'select' is the most intuitive way. The > >>other option is just to leave the 'depends on' and let the user select PHY. > > > >How can you 'depend' on something that the user can't select by > >navigating through Kconfig ? > > hmm... Actually it's selected when the user selects the PHY driver.
that's my point, don't you think it's a little counter-intuitive ? > Maybe we should directly depend on the PHY driver instead of Generic > PHY? maybe... But then what do you do when you have different boards using different PHYs ? -- balbi
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