Re: [PATCH] Need proper type casting before assignment, Remove compilation Warning.

From: Arvind Yadav <redacted>
Date: Fri,  8 Jul 2016 00:07:54 +0530

-Return type of 'qe_muram_alloc' is 'unsigned long', That Was trying to
assigned in ucc_fast_tx_virtual_fifo_base_offset and
ucc_fast_rx_virtual_fifo_base_offset. These variable are 'unsigned int'.
So before assginment need a proper type casting.

-Passing value in IS_ERR_VALUE() is wrong, as they pass an 'int'
into a function that takes an 'unsigned long' argument.This happens
to work because the type is sign-extended on 64-bit architectures
before it gets converted into an unsigned type.

-Passing an 'unsigned short' or 'unsigned int'argument into
IS_ERR_VALUE() is guaranteed to be broken, as are 8-bit integers
and types that are wider than 'unsigned long'.

-Any user will get compilation warning for that do not pass an
unsigned long' argument.

Signed-off-by: Arvind Yadav <redacted>

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