[PATCH v2 1/2] ARM: imx: Introduce generic function for displaying silicon revision

[Jason Liu]

Hi, Sascha, Fabio,

2011/8/23 Sascha Hauer <s.hauer at pengutronix.de>:
> Hi Fabio,
>
> On Mon, Aug 22, 2011 at 03:17:03PM -0300, Fabio Estevam wrote:
>> Currently each i.MX processor has its own function for displaying the silicon
>> revision.
>>
>> Introduce a generic function for this purpose, so that all i.MX processors can
>> reuse it.
>
> Looks good, thanks. Do you care to update the other SoCs aswell?

I have already started to updated all other SoCs, I will send out patch soon.

Jason
>
> Sascha
>
>>
>> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
>> ---
>> Changes since v1:
>>
>> - Introduce this generic function as suggested by Sascha Hauer.
>>
>> Sascha,
>>
>> If these 2 patches are merged, then I will convert the other i.MX processors
>> to use this new method.
>>
>>  arch/arm/plat-mxc/cpu.c                 |   10 ++++++++++
>>  arch/arm/plat-mxc/include/mach/common.h |    1 +
>>  2 files changed, 11 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/plat-mxc/cpu.c b/arch/arm/plat-mxc/cpu.c
>> index 386e0d5..f081ef0 100644
>> --- a/arch/arm/plat-mxc/cpu.c
>> +++ b/arch/arm/plat-mxc/cpu.c
>> @@ -1,5 +1,6 @@
>>
>>  #include <linux/module.h>
>> +#include <mach/hardware.h>
>>
>>  unsigned int __mxc_cpu_type;
>>  EXPORT_SYMBOL(__mxc_cpu_type);
>> @@ -9,3 +10,12 @@ void mxc_set_cpu_type(unsigned int type)
>>       __mxc_cpu_type = type;
>>  }
>>
>> +void imx_print_silicon_rev(const char *cpu, int srev)
>> +{
>> +     if (srev == IMX_CHIP_REVISION_UNKNOWN)
>> +             pr_info("CPU identified as %s, unknown revision\n", cpu);
>> +     else
>> +             pr_info("CPU identified as %s, silicon rev %d.%d\n",
>> +                             cpu, (srev >> 4) & 0xf, srev & 0xf);
>> +}
>> +EXPORT_SYMBOL(imx_print_silicon_rev);
>> diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
>> index 91fa263..e427f63 100644
>> --- a/arch/arm/plat-mxc/include/mach/common.h
>> +++ b/arch/arm/plat-mxc/include/mach/common.h
>> @@ -72,4 +72,5 @@ extern void mxc_arch_reset_init(void __iomem *);
>>  extern void mx51_efikamx_reset(void);
>>  extern int mx53_revision(void);
>>  extern int mx53_display_revision(void);
>> +extern void imx_print_silicon_rev(const char *cpu, int srev);
>>  #endif
>> --
>> 1.7.1
>>
>>
>>
>
> --
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