[PATCH][v3] Add support for RTC device: pt7c4338 in rtc-ds1307.c

2011-06-15 Thread Priyanka Jain
PT7C4338 chip is being manufactured by Pericom Technology Inc. It is a serial real-time clock which provides: 1)Low-power clock/calendar. 2)Programmable square-wave output. It has 56 bytes of nonvolatile RAM. Its register set is same as that of rtc device: DS1307. Signed-off-by: Priyanka Jain --

Re: [RFC][PATCH] kexec-tools: powerpc: Use the #address-cells information to parsememory/reg - V2

2011-06-15 Thread Simon Horman
On Wed, Jun 08, 2011 at 12:08:55PM +0530, Suzuki Poulose wrote: > Hi, > > This is version 2 of the patch > > Changes from Version 1 : > : Changed the interface for read_memory_region_limits to use 'int fd' > instead of FILE*. > : Use sizeof(variable) for read(, instead of sizeof(type). >

Re: libata/ipr/powerpc: regression between 2.6.39-rc4 and 2.6.39-rc5

2011-06-15 Thread Nishanth Aravamudan
On 15.06.2011 [15:02:18 -0500], Brian King wrote: > On 06/15/2011 02:17 PM, Nishanth Aravamudan wrote: > > From what I can tell, the only place that explicitly clears the FROZEN > > flag is the error-handling code via ata_eh_thaw_port(). > > > > So I thought either we're not invoking the error-han

Re: libata/ipr/powerpc: regression between 2.6.39-rc4 and 2.6.39-rc5

2011-06-15 Thread Brian King
On 06/15/2011 02:17 PM, Nishanth Aravamudan wrote: > From what I can tell, the only place that explicitly clears the FROZEN > flag is the error-handling code via ata_eh_thaw_port(). > > So I thought either we're not invoking the error-handler at probe time > correctly to kick the port or perhaps t

Re: Relocatable kernel for ppc44x

2011-06-15 Thread Scott Wood
On Wed, 15 Jun 2011 20:11:55 +1000 Benjamin Herrenschmidt wrote: > On Wed, 2011-06-15 at 11:43 +0530, Suzuki Poulose wrote: > > On 06/14/11 17:34, Michal Simek wrote: > > > Hi, > > > > > > have someone tried to support RELOCATABLE kernel on ppc44x? > > As Josh, mentioned, I will be working on thi

libata/ipr/powerpc: regression between 2.6.39-rc4 and 2.6.39-rc5

2011-06-15 Thread Nishanth Aravamudan
Hi Jeff, It appears that commit 7b3a24c57d2eeda8dba9c205342b12689c4679f9 broke CD-ROMs on the IPR SATA bus on powerpc machines: ata_port_alloc: ENTER ata_port_probe: ata1: bus probe begin ata1.00: ata_dev_read_id: ENTER ata1.00: failed to IDENTIFY (I/O error, err_mask=0x40) ata1.00: ata_dev_

Re: Relocatable kernel for ppc44x

2011-06-15 Thread Tirumala Marri
On Wed, Jun 15, 2011 at 7:40 AM, Suzuki Poulose wrote: > On 06/15/11 15:41, Benjamin Herrenschmidt wrote: > >> On Wed, 2011-06-15 at 11:43 +0530, Suzuki Poulose wrote: >> >>> On 06/14/11 17:34, Michal Simek wrote: >>> Hi, have someone tried to support RELOCATABLE kernel on ppc44x?

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Russell King - ARM Linux
On Wed, Jun 15, 2011 at 08:08:05AM -0700, H. Peter Anvin wrote: > On 06/15/2011 12:47 AM, Russell King - ARM Linux wrote: > >> > >> OK, serial-8250 is clearly just plain wrong, since the 8250 series UARTs > >> are ubiquitous across just about every platform. > >> > >> Floppy is special (in the shor

[PATCH -v3] Audit: push audit success and retcode into arch ptrace.h

2011-06-15 Thread Eric Paris
The audit system previously expected arches calling to audit_syscall_exit to supply as arguments if the syscall was a success and what the return code was. Audit also provides a helper AUDITSC_RESULT which was supposed to simplify things by converting from negative retcodes to an audit internal ma

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread H. Peter Anvin
On 06/15/2011 12:39 AM, Russell King - ARM Linux wrote: > On Tue, Jun 14, 2011 at 09:31:27PM -0700, H. Peter Anvin wrote: >> On 06/14/2011 03:08 PM, Luck, Tony wrote: >>> I took a look at the back of all my ia64 systems - none of them >>> have a parallel port. It seems unlikely that new systems wi

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread H. Peter Anvin
On 06/15/2011 12:47 AM, Russell King - ARM Linux wrote: >> >> OK, serial-8250 is clearly just plain wrong, since the 8250 series UARTs >> are ubiquitous across just about every platform. >> >> Floppy is special (in the short bus sense), since it is closely tied to >> ISA DMA. Conditionalizing this

Re: [PATCH][v2] Add support for RTC device: pt7c4338 in rtc-ds1307.c

2011-06-15 Thread Timur Tabi
Priyanka Jain wrote: > config RTC_DRV_DS1307 > - tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025" > + tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025, > PT7C4338" > help > If you say yes here you get support for various compatible RTC

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Guenter Roeck
On Wed, Jun 15, 2011 at 04:34:37AM -0400, Ralf Baechle wrote: > On Tue, Jun 14, 2011 at 09:18:36PM -0700, H. Peter Anvin wrote: > > > On 06/14/2011 03:34 PM, Ralf Baechle wrote: > > > > > > There is no point in offering to build something that couldn't possibly be > > > used. It just makes the k

Re: Relocatable kernel for ppc44x

2011-06-15 Thread Suzuki Poulose
On 06/15/11 15:41, Benjamin Herrenschmidt wrote: On Wed, 2011-06-15 at 11:43 +0530, Suzuki Poulose wrote: On 06/14/11 17:34, Michal Simek wrote: Hi, have someone tried to support RELOCATABLE kernel on ppc44x? As Josh, mentioned, I will be working on this. In fact I was trying a couple of patc

Re: [PATCH][v2] Add support for RTC device: pt7c4338 in rtc-ds1307.c

2011-06-15 Thread Tabi Timur-B04825
Priyanka Jain wrote: > + * Copyright (C) 2011 Priyanka Jain (priyanka.j...@freescale.com) > + * (pt7c4338 support) You can't claim copyright just by adding one line of text. -- Timur Tabi Linux kernel developer at Freescale _

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Geert Uytterhoeven
On Wed, Jun 15, 2011 at 11:46, Arnd Bergmann wrote: > * In case of floppies, the "solution" was to write a driver for every > platform that >  doesn't have PIO, since they tend to have other differences. The amiflop and >  ataflop drivers are not even use readb(), they just derefence volatile >

RE: Relocatable kernel for ppc44x

2011-06-15 Thread Benjamin Herrenschmidt
On Wed, 2011-06-15 at 10:30 +0100, David Laight wrote: > > The PPC440X currently uses 256M TLB entries to pin the > > lowmem. When we go for a relocatable kernel we have to : > > > > 1) Restrict the kernel load address to be 256M aligned > > > > OR > > > > 2) Use 16M TLB(the next possible TLB p

Re: Relocatable kernel for ppc44x

2011-06-15 Thread Benjamin Herrenschmidt
On Wed, 2011-06-15 at 11:43 +0530, Suzuki Poulose wrote: > On 06/14/11 17:34, Michal Simek wrote: > > Hi, > > > > have someone tried to support RELOCATABLE kernel on ppc44x? > As Josh, mentioned, I will be working on this. In fact I was trying a couple > of > patches towards this on PPC440x. But,

Re: Relocatable kernel for ppc44x

2011-06-15 Thread John Williams
On Wed, Jun 15, 2011 at 11:30 AM, David Laight wrote: > > > The PPC440X currently uses 256M TLB entries to pin the > > lowmem. When we go for a relocatable kernel we have to : > > > > 1) Restrict the kernel load address to be 256M aligned > > > > OR > > > > 2) Use 16M TLB(the next possible TLB pag

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Arnd Bergmann
On Wednesday 15 June 2011, H. Peter Anvin wrote: > On 06/14/2011 02:33 PM, Arnd Bergmann wrote: > >> > >> Why on earth restrict it like that? It's just a device driver, like > >> more or less any other device driver... > > > > I'd say any other classic ISA/PC driver, including floppy, gameport or

RE: Relocatable kernel for ppc44x

2011-06-15 Thread David Laight
> The PPC440X currently uses 256M TLB entries to pin the > lowmem. When we go for a relocatable kernel we have to : > > 1) Restrict the kernel load address to be 256M aligned > > OR > > 2) Use 16M TLB(the next possible TLB page size supported) > entries till the first > 256M and then use the

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Ralf Baechle
On Tue, Jun 14, 2011 at 09:18:36PM -0700, H. Peter Anvin wrote: > On 06/14/2011 03:34 PM, Ralf Baechle wrote: > > > > There is no point in offering to build something that couldn't possibly be > > used. It just makes the kernel harder to configure and inflates the test > > matrix for no good rea

Re: [PATCH 06/15] 8xx: Always pin kernel instruction TLB

2011-06-15 Thread Joakim Tjernlund
Dan Malek wrote on 2011/06/14 20:11:18: > > Hi Joakim. > > On Jun 14, 2011, at 11:00 AM, Joakim Tjernlund wrote: > > > I don't have a mpc850, do you? > > I have to say I do :-) > > > Probably but that is another matter. You could continue with that > > if you like but I am stopping here ATM. > > O

[PATCH][v2] Add support for RTC device: pt7c4338 in rtc-ds1307.c

2011-06-15 Thread Priyanka Jain
PT7C4338 chip is being manufactured by Pericom Technology Inc. It is a serial real-time clock which provides: 1)Low-power clock/calendar. 2)Programmable square-wave output. It has 56 bytes of nonvolatile RAM. Its register set is same as that of rtc device: DS1307. Signed-off-by: Priyanka Jain --

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Lennox Wu
2011/6/15 Arnd Bergmann > > > config SCORE > > - def_bool y > > - select HAVE_GENERIC_HARDIRQS > > - select GENERIC_IRQ_SHOW > > + def_bool y > > + select HAVE_GENERIC_HARDIRQS > > + select HAVE_PC_PARPORT > > + select GENERIC_IRQ_SHOW > > > > choice > > p

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Russell King - ARM Linux
On Tue, Jun 14, 2011 at 09:31:27PM -0700, H. Peter Anvin wrote: > On 06/14/2011 03:08 PM, Luck, Tony wrote: > > I took a look at the back of all my ia64 systems - none of them > > have a parallel port. It seems unlikely that new systems will > > start adding parallel ports :-) > > > > So even if

Re: [RFC,PATCH] Cleanup PC parallel port Kconfig

2011-06-15 Thread Russell King - ARM Linux
On Tue, Jun 14, 2011 at 09:30:47PM -0700, H. Peter Anvin wrote: > On 06/14/2011 02:33 PM, Arnd Bergmann wrote: > >> > >> Why on earth restrict it like that? It's just a device driver, like > >> more or less any other device driver... > > > > I'd say any other classic ISA/PC driver, including flop

Re: [PATCH 00/15] Backport 8xx TLB to 2.4

2011-06-15 Thread Joakim Tjernlund
Willy Tarreau wrote on 2011/06/14 21:31:06: > > Hi Joakim, > > On Tue, Jun 14, 2011 at 03:54:45PM +0200, Joakim Tjernlund wrote: > > This is a backport from 2.6 which I did to overcome 8xx CPU > > bugs. 8xx does not update the DAR register when taking a TLB > > error caused by dcbX and icbi insns

Re: [PATCH 06/15] 8xx: Always pin kernel instruction TLB

2011-06-15 Thread Joakim Tjernlund
Joakim Tjernlund/Transmode wrote on 2011/06/14 20:00:09: > From: Joakim Tjernlund/Transmode > > Dan Malek wrote on 2011/06/14 18:06:45: > > > > > > Hi Joakim. > > > > On Jun 14, 2011, at 6:54 AM, Joakim Tjernlund wrote: > > > > > Various kernel asm modifies SRR0/SRR1 just before executing > > > a