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ptp: Enable clock drivers along with associated net/PHY drivers

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Where a PTP clock driver is associated with a net or PHY driver, it
should be enabled automatically whenever that driver is enabled.
Therefore:

- Make PTP clock drivers select rather than depending on PTP_1588_CLOCK
- Remove separate boolean options for PTP clock drivers that are built
  as part of net driver modules.  (This also fixes cases where the PTP
  subsystem is wrongly forced to be built-in.)
- Set 'default y' for PTP clock drivers that depend on specific net
  drivers but are built separately

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2012-10-31 15:33:52 +00:00
committed by David S. Miller
parent 42a7ccef0a
commit a24006ed12
17 changed files with 13 additions and 173 deletions
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13
drivers/ptp/Kconfig
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@@ -25,8 +25,9 @@ config PTP_1588_CLOCK
config PTP_1588_CLOCK_GIANFAR
tristate "Freescale eTSEC as PTP clock"
depends on PTP_1588_CLOCK
depends on GIANFAR
select PTP_1588_CLOCK
default y
help
This driver adds support for using the eTSEC as a PTP
clock. This clock is only useful if your PTP programs are
@@ -38,8 +39,9 @@ config PTP_1588_CLOCK_GIANFAR
config PTP_1588_CLOCK_IXP46X
tristate "Intel IXP46x as PTP clock"
depends on PTP_1588_CLOCK
depends on IXP4XX_ETH
select PTP_1588_CLOCK
default y
help
This driver adds support for using the IXP46X as a PTP
clock. This clock is only useful if your PTP programs are
@@ -50,13 +52,13 @@ config PTP_1588_CLOCK_IXP46X
will be called ptp_ixp46x.
comment "Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks."
depends on PTP_1588_CLOCK && (PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n)
depends on PHYLIB=n || NETWORK_PHY_TIMESTAMPING=n
config DP83640_PHY
tristate "Driver for the National Semiconductor DP83640 PHYTER"
depends on PTP_1588_CLOCK
depends on NETWORK_PHY_TIMESTAMPING
depends on PHYLIB
select PTP_1588_CLOCK
---help---
Supports the DP83640 PHYTER with IEEE 1588 features.
@@ -70,8 +72,9 @@ config DP83640_PHY
config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on PTP_1588_CLOCK
depends on PCH_GBE
select PTP_1588_CLOCK
default y
help
This driver adds support for using the PCH EG20T as a PTP
clock. The hardware supports time stamping of PTP packets