On Fri, 30 Sep 2016, Mugunthan V N wrote:
> On Wednesday 28 September 2016 01:10 AM, Lee Jones wrote:
> > On Wed, 21 Sep 2016, Mugunthan V N wrote:
> >
> >> store the physical address of the device in its priv to use it
> >> for DMA addressing in the client drivers.
> >>
> >> Signed-off-by: Mugunthan V N <mugunthanvnm@xxxxxx>
> >> ---
> >> drivers/mfd/ti_am335x_tscadc.c | 1 +
> >> include/linux/mfd/ti_am335x_tscadc.h | 1 +
> >> 2 files changed, 2 insertions(+)
> >>
> >> diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
> >> index c8f027b..0f3fab4 100644
> >> --- a/drivers/mfd/ti_am335x_tscadc.c
> >> +++ b/drivers/mfd/ti_am335x_tscadc.c
> >> @@ -183,6 +183,7 @@ static int ti_tscadc_probe(struct platform_device *pdev)
> >> tscadc->irq = err;
> >>
> >> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> >> + tscadc->tscadc_phys_base = res->start;
> >
> > This is unusual. Can't you use a virt_to_phys() variant instead?
> >
>
> I tried using virt_to_phys(), but its not working for me.
> Also saw many drivers uses like this to get physical address
> ("git grep -n " res->start;" drivers/*").
Very well:
For my own reference:
Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>
Let me know how you wish this set to be handled.
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Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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