Messages in this thread | | | Date | Tue, 28 Aug 2018 16:26:11 +0200 | From | Boris Brezillon <> | Subject | Re: [PATCH 2/8] mtd: maps: gpio-addr-flash: Fix ioremapped size |
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On Tue, 21 Aug 2018 16:31:46 +0200 Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> wrote:
> We should only iomap the area of the chip that is memory mapped. > Otherwise we could be mapping devices beyond the memory space or that > belong to other devices. >
Can you add
Fixes: ebd71e3a4861 ("mtd: maps: gpio-addr-flash: fix warnings and make more portable")
and in case you want to backport the fix:
Cc: <stable@vger.kernel.org>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> > --- > drivers/mtd/maps/gpio-addr-flash.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c > index 17be47f72973..6de16e81994c 100644 > --- a/drivers/mtd/maps/gpio-addr-flash.c > +++ b/drivers/mtd/maps/gpio-addr-flash.c > @@ -234,7 +234,7 @@ static int gpio_flash_probe(struct platform_device *pdev) > state->map.copy_to = gf_copy_to; > state->map.bankwidth = pdata->width; > state->map.size = state->win_size * (1 << state->gpio_count); > - state->map.virt = ioremap_nocache(memory->start, state->map.size); > + state->map.virt = ioremap_nocache(memory->start, state->win_size); > if (!state->map.virt) > return -ENOMEM; >
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