As I understand it, the core nfc_pn544 module is useless without
either the I2C or the MEI access module. So hide NFC_PN544 and
select it automatically if either NFC_PN544_I2C or NFC_PN544_MEI is
selected.

This avoids presenting NFC_PN544 when neither NFC_PN544_I2C nor
NFC_PN544_MEI can be selected.

Signed-off-by: Jean Delvare <[email protected]>
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
---
Already sent on 2014-04-19.

Note that the s3fwrn5 NFC driver is already implemented the same way.

 drivers/nfc/pn544/Kconfig |   18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

--- linux-3.15-rc1.orig/drivers/nfc/pn544/Kconfig       2014-04-18 
19:18:55.998723014 +0200
+++ linux-3.15-rc1/drivers/nfc/pn544/Kconfig    2014-04-18 19:19:16.195149146 
+0200
@@ -1,20 +1,15 @@
 config NFC_PN544
-       tristate "NXP PN544 NFC driver"
-       depends on NFC_HCI
+       tristate
        select CRC_CCITT
-       default n
        ---help---
          NXP PN544 core driver.
          This is a driver based on the HCI NFC kernel layers and
          will thus not work with NXP libnfc library.
 
-         To compile this driver as a module, choose m here. The module will
-         be called pn544.
-         Say N if unsure.
-
 config NFC_PN544_I2C
-       tristate "NFC PN544 i2c support"
-       depends on NFC_PN544 && I2C && NFC_SHDLC
+       tristate "NXP PN544 device support (I2C)"
+       depends on NFC_HCI && I2C && NFC_SHDLC
+       select NFC_PN544
        ---help---
          This module adds support for the NXP pn544 i2c interface.
          Select this if your platform is using the i2c bus.
@@ -23,8 +18,9 @@ config NFC_PN544_I2C
          Say N if unsure.
 
 config NFC_PN544_MEI
-       tristate "NFC PN544 MEI support"
-       depends on NFC_PN544 && NFC_MEI_PHY
+       tristate "NXP PN544 device support (MEI)"
+       depends on NFC_HCI && NFC_MEI_PHY
+       select NFC_PN544
        ---help---
          This module adds support for the mei interface of adapters using
          NXP pn544 chipsets.  Select this if your pn544 chipset


-- 
Jean Delvare
SUSE L3 Support
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