[PATCH v2] mtd: atmel_nand: check NFC busy flag by HSMC_SR instead of NFC cmd regs

[Brian Norris]

On Thu, Jan 22, 2015 at 06:21:30PM +0800, Josh Wu wrote:
> From: Boris Brezillon <boris.brezillon at free-electrons.com>
> 
> Currently the driver read NFC command registers to get NFC busy flag.
> Actually this flag also can be get by reading HSMC_SR register.
> 
> Use the read NFC command registers need mapping a huge memory region.
> To save the mapped memory region, we change to check NFC busy flag by
> reading HSMC_SR register.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
> ---
> 
> Changes in v2:
> - Change me to signed-off-by.
> - modify the error log.

Pushed to l2-mtd.git.

Brian