On Wed, 21 Sep 2016 10:19:10 +0200
Ricardo Ribalda Delgado <ricardo.riba...@gmail.com> wrote:

> Hi Boris
> 
> On Wed, Sep 21, 2016 at 10:14 AM, Boris Brezillon
> <boris.brezil...@free-electrons.com> wrote:
> > Wait. If you really want to manipulate an loff_t variable, you can do
> >
> >         offset = do_div(addr, nor->page_size);
> >
> >
> >  
> that leads to:
> 
>   CC      drivers/mtd/spi-nor/spi-nor.o
> drivers/mtd/spi-nor/spi-nor.c: In function 'spi_nor_s3an_addr_convert':
> drivers/mtd/spi-nor/spi-nor.c:359:11: warning: comparison of distinct
> pointer types lacks a cast [enabled by default]
> 
> 
> and if I do the casting
> 
> offset = do_div((uint64_t)addr, nor->page_size);
> 
> 
> drivers/mtd/spi-nor/spi-nor.c: In function 'spi_nor_s3an_addr_convert':
> drivers/mtd/spi-nor/spi-nor.c:359:11: error: lvalue required as left
> operand of assignment
> drivers/mtd/spi-nor/spi-nor.c:359:11: error: lvalue required as left
> operand of assignment
> drivers/mtd/spi-nor/spi-nor.c:359:11: error: lvalue required as left
> operand of assignment
> drivers/mtd/spi-nor/spi-nor.c:359:11: error: lvalue required as unary
> '&' operand
> scr
> 
> Unsinged long is more than enough for s3an. I think v7 is ok.

Then, why did you change the spi_nor_s3an_addr_convert() prototype? 

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