[U-Boot] [PATCH] sf: fix timebase data type in _wait_ready()

[Jagan Teki]

On 5 April 2016 at 05:31, Tom Rini <trini at konsulko.com> wrote:
> On Mon, Apr 04, 2016 at 11:03:52AM -0600, Stephen Warren wrote:
>
>> From: Stephen Warren <swarren at nvidia.com>
>>
>> get_timer() returns an unsigned 64-bit value, but is currently assigned to
>> a signed 32-bit variable. Due to sign extension and data truncation, this
>> causes the timeout loop in spi_flash_cmd_wait_ready() to immediately (and
>> incorrectly) fire for about 50% of all time values, based on whether bit
>> 31 is set. In sandbox at least, this causes the test to pass or fail based
>> on system uptime, as opposed to time since the U-Boot binary was started.
>>
>> Fixes: 4efad20a1751 ("sf: Update status reg check in spi_flash_cmd_wait_ready")
>> Signed-off-by: Stephen Warren <swarren at nvidia.com>
>
> Reviewed-by: Tom Rini <trini at konsulko.com>

Reviewed-by: Jagan Teki <jteki at openedev.com>

-- 
Jagan.