Hi Rob,
On Fri, Oct 19, 2012 at 5:16 AM, Rob Herring <robherri...@gmail.com> wrote:
> On 10/18/2012 10:45 PM, Simon Glass wrote:
>> From: Stefan Reinauer <reina...@chromium.org>
>>
>> Add a new function to find out the number of available SCSI disks.
>
> Wouldn't setting an environment variable be more useful? Then we can
> loop over devices in boot scripts.
Yes that's a good idea - will add that too. The idea with this patch
is to provide an internal API to read this info within U-Boot.
Regards,
Simon
>
> Rob
>
>>
>> Signed-off-by: Stefan Reinauer <reina...@chromium.org>
>> Signed-off-by: Simon Glass <s...@chromium.org>
>> ---
>> common/cmd_scsi.c | 7 +++++++
>> include/scsi.h | 2 ++
>> 2 files changed, 9 insertions(+), 0 deletions(-)
>>
>> diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
>> index 30d8d12..f64d6f4 100644
>> --- a/common/cmd_scsi.c
>> +++ b/common/cmd_scsi.c
>> @@ -182,6 +182,13 @@ removable:
>> scsi_curr_dev=0;
>> else
>> scsi_curr_dev = -1;
>> +
>> + printf("Found %d device(s).\n", scsi_max_devs);
>> +}
>> +
>> +int scsi_get_disk_count(void)
>> +{
>> + return scsi_max_devs;
>> }
>>
>> #ifdef CONFIG_PCI
>> diff --git a/include/scsi.h b/include/scsi.h
>> index 89ae45f..9681d19 100644
>> --- a/include/scsi.h
>> +++ b/include/scsi.h
>> @@ -189,6 +189,8 @@ void scsi_low_level_init(int busdevfunc);
>> void scsi_init(void);
>> void scsi_scan(int mode);
>>
>> +/** @return the number of scsi disks */
>> +int scsi_get_disk_count(void);
>>
>> #define SCSI_IDENTIFY 0xC0 /* not
>> used */
>>
>>
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