[U-Boot] [PATCH] fdt: add new fdt address parsing functions

[Mugunthan V N <mugunthanvnm@ti.com>]

On Wednesday 09 September 2015 11:38 PM, Simon Glass wrote:
> Hi,
> 
> On Monday, 7 September 2015, Mugunthan V N <mugunthanvnm@ti.com> wrote:
>>
>> On Friday 07 August 2015 03:01 AM, Stephen Warren wrote:
>>> From: Stephen Warren <swarren@nvidia.com>
>>>
>>> fdtdec_get_addr_size() hard-codes the number of cells used to represent
>>> an address or size in DT. This is incorrect in many cases depending on
>>> the DT binding for a particular node or property (e.g. it is incorrect
>>> for the "reg" property). In most cases, DT parsing code must use the
>>> properties #address-cells and #size-cells to parse addres properties.
>>>
>>> This change splits up the implementation of fdtdec_get_addr_size() so
>>> that the core logic can be used for both hard-coded and non-hard-coded
>>> cases. Various wrapper functions are implemented that support cases
>>> where hard-coded cell counts should or should not be used, and where
>>> the client does and doesn't know the parent node ID that contains the
>>> properties #address-cells and #size-cells.
>>>
>>> dev_get_addr() is updated to use the new functions.
>>>
>>> Core functionality in fdtdec_get_addr_size_fixed() is widely tested via
>>> fdtdec_get_addr_size(). I tested fdtdec_get_addr_size_auto_noparent() and
>>> dev_get_addr() by manually modifying the Tegra I2C driver to invoke them.
>>>
>>> Much of the core implementation of fdtdec_get_addr_size_fixed(),
>>> fdtdec_get_addr_size_auto_parent(), and
>>> fdtdec_get_addr_size_auto_noparent() comes from Thierry Reding's
>>> previous commit "fdt: Fix fdtdec_get_addr_size() for 64-bit".
>>
>> Tested this patch for cpsw ethernet dt migration to getting cpsw address
>> space. Also dropped *#define DEBUG* in lib/fdtdev.c file.
>>
>> Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
>>
> Thanks for testing this. I would like to apply this - are there any
> other comments?
> 

There is no other comments apart from removing #define DEBUG

Regards
Mugunthan V N