Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-22 Thread Jean Delvare
Le Sunday 21 June 2015 à 19:59 +0200, Nicolai Stange a écrit :
 David Miller da...@davemloft.net writes:
  Note that endianess on microblaze is not determined through Kconfig,
  but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
  However, gcc defaults to big endianess on that platform.
  Applied, but we're long overdue for an across-the-board-available
  endianness Kconfig option that can flat out be used in these situations.
  The current way this is handled is at best, a mess.

I fully agree.

 Thanks!
 
 Regarding the general Kconfig endianess symbol, I will do another patch
 based on the information of
   git grep '_endian\.h' -- arch/
 and supply every arch with either of CONFIG_CPU_{LITTLE,BIG}_ENDIAN if
 lacking.

Note that Chen Gang (Cc'd) attempted the same almost a year ago:
http://patchwork.linux-mips.org/patch/7540/
then:
http://marc.info/?t=14095865642r=1w=2

The idea was great IMHO but it did not work out, and I can't remember
why.

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SUSE L3 Support

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Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-22 Thread Nicolai Stange
Jean Delvare jdelv...@suse.de writes:
 Le Sunday 21 June 2015 à 19:59 +0200, Nicolai Stange a écrit :
 David Miller da...@davemloft.net writes:
 Applied, but we're long overdue for an across-the-board-available
 endianness Kconfig option that can flat out be used in these situations.
 The current way this is handled is at best, a mess.
 
 Regarding the general Kconfig endianess symbol, I will do another patch
 based on the information of
   git grep '_endian\.h' -- arch/
 and supply every arch with either of CONFIG_CPU_{LITTLE,BIG}_ENDIAN if
 lacking.

 Note that Chen Gang (Cc'd) attempted the same almost a year ago:
 http://patchwork.linux-mips.org/patch/7540/
 then:
 http://marc.info/?t=14095865642r=1w=2

 The idea was great IMHO but it did not work out, and I can't remember
 why.

Thank you very much for this pointer, Jean!  I've read through these
threads and to summarize, some arch maintainers' main point against that
patchset is that (recent) drivers should generally support both, LE and
BE.

It is interesting to note that Chen Gang had already addressed the very
same issue (Hisax NetJet driver) by the far more general approach
proposed by David Miller here, namely by introducing an
across-the-board-available endianess Kconfig option.

So unless you really want to have such an option and ping me, I will not
do another patch in the mood of Chen Gang's original one.
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Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-21 Thread David Miller
From: Nicolai Stange nicsta...@gmail.com
Date: Wed, 17 Jun 2015 03:05:02 +0200

 Fix an allmodconfig compilation failer on microblaze due to big endian
 architectures being apparently unsupported by the NetJet code:
   drivers/isdn/hisax/nj_s.c: In function 'setup_netjet_s':
   drivers/isdn/hisax/nj_s.c:265:2:
   error: #error not running on big endian machines now
 
 Modify the relevant Kconfig such that the NetJet code is not built on
 microblaze anymore.
 
 Note that endianess on microblaze is not determined through Kconfig,
 but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
 However, gcc defaults to big endianess on that platform.
 
 Signed-off-by: Nicolai Stange nicsta...@gmail.com
 ---
  The maintainer tree listed under ISDN SUBSYSTEM in MAINTAINERS does
  not exist anymore. I created the diff against the Linus tree.

Applied, but we're long overdue for an across-the-board-available
endianness Kconfig option that can flat out be used in these situations.
The current way this is handled is at best, a mess.
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Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-21 Thread Nicolai Stange
David Miller da...@davemloft.net writes:
 Note that endianess on microblaze is not determined through Kconfig,
 but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
 However, gcc defaults to big endianess on that platform.
 Applied, but we're long overdue for an across-the-board-available
 endianness Kconfig option that can flat out be used in these situations.
 The current way this is handled is at best, a mess.

Thanks!

Regarding the general Kconfig endianess symbol, I will do another patch
based on the information of
  git grep '_endian\.h' -- arch/
and supply every arch with either of CONFIG_CPU_{LITTLE,BIG}_ENDIAN if
lacking.
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Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-17 Thread Jean Delvare
Le Wednesday 17 June 2015 à 03:05 +0200, Nicolai Stange a écrit :
 Fix an allmodconfig compilation failer on microblaze due to big endian
 architectures being apparently unsupported by the NetJet code:
   drivers/isdn/hisax/nj_s.c: In function 'setup_netjet_s':
   drivers/isdn/hisax/nj_s.c:265:2:
   error: #error not running on big endian machines now
 
 Modify the relevant Kconfig such that the NetJet code is not built on
 microblaze anymore.
 
 Note that endianess on microblaze is not determined through Kconfig,
 but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
 However, gcc defaults to big endianess on that platform.
 
 Signed-off-by: Nicolai Stange nicsta...@gmail.com
 ---
  The maintainer tree listed under ISDN SUBSYSTEM in MAINTAINERS does
  not exist anymore. I created the diff against the Linus tree.
 
  drivers/isdn/hisax/Kconfig | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
 index 97465ac..eb83d94 100644
 --- a/drivers/isdn/hisax/Kconfig
 +++ b/drivers/isdn/hisax/Kconfig
 @@ -237,7 +237,7 @@ config HISAX_MIC
  
  config HISAX_NETJET
   bool NETjet card
 - depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
 !CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN)))
 + depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
 !CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN) || MICROBLAZE))
   depends on VIRT_TO_BUS
   help
 This enables HiSax support for the NetJet from Traverse
 @@ -249,7 +249,7 @@ config HISAX_NETJET
  
  config HISAX_NETJET_U
   bool NETspider U card
 - depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
 !CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN)))
 + depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
 !CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN) || MICROBLAZE))
   depends on VIRT_TO_BUS
   help
 This enables HiSax support for the Netspider U interface ISDN card

Acked-by: Jean Delvare jdelv...@suse.de

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SUSE L3 Support

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Re: [PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-17 Thread Nicolai Stange
 Acked-by: Jean Delvare jdelv...@suse.de

Jean, thank you very much for your prompt reaction!
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[PATCH] isdn: disable HiSax NetJet driver on microblaze arch

2015-06-16 Thread Nicolai Stange
Fix an allmodconfig compilation failer on microblaze due to big endian
architectures being apparently unsupported by the NetJet code:
  drivers/isdn/hisax/nj_s.c: In function 'setup_netjet_s':
  drivers/isdn/hisax/nj_s.c:265:2:
  error: #error not running on big endian machines now

Modify the relevant Kconfig such that the NetJet code is not built on
microblaze anymore.

Note that endianess on microblaze is not determined through Kconfig,
but by means of a compiler provided CPP macro, namely __MICROBLAZEEL__.
However, gcc defaults to big endianess on that platform.

Signed-off-by: Nicolai Stange nicsta...@gmail.com
---
 The maintainer tree listed under ISDN SUBSYSTEM in MAINTAINERS does
 not exist anymore. I created the diff against the Linus tree.

 drivers/isdn/hisax/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 97465ac..eb83d94 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -237,7 +237,7 @@ config HISAX_MIC
 
 config HISAX_NETJET
bool NETjet card
-   depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
!CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN)))
+   depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
!CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN) || MICROBLAZE))
depends on VIRT_TO_BUS
help
  This enables HiSax support for the NetJet from Traverse
@@ -249,7 +249,7 @@ config HISAX_NETJET
 
 config HISAX_NETJET_U
bool NETspider U card
-   depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
!CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN)))
+   depends on PCI  (BROKEN || !(PPC || PARISC || M68K || (MIPS  
!CPU_LITTLE_ENDIAN) || FRV || (XTENSA  !CPU_LITTLE_ENDIAN) || MICROBLAZE))
depends on VIRT_TO_BUS
help
  This enables HiSax support for the Netspider U interface ISDN card
-- 
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