On Mon, Feb 24, 2014 at 09:56:51AM -0600, Nishanth Menon wrote:
> On 02/24/2014 09:51 AM, Mark Rutland wrote:
> > On Sun, Feb 23, 2014 at 11:50:00PM +0000, Sebastian Reichel wrote:
>
> [...]
> >> +static int omap_ssi_port_runtime_suspend(struct device *dev)
> >> +{
> >> + struct hsi_port *port = dev_get_drvdata(dev);
> >> + struct omap_ssi_port *omap_port = hsi_port_drvdata(port);
> >> + struct hsi_controller *ssi = to_hsi_controller(port->device.parent);
> >> + struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi);
> >> +
> >> + dev_dbg(dev, "port runtime suspend!\n");
> >> +
> >> + ssi_set_port_mode(omap_port, SSI_MODE_SLEEP);
> >> + if (omap_ssi->get_loss)
> >> + omap_port->loss_count =
> >> + (*omap_ssi->get_loss)(ssi->device.parent);
> >
> > You don't need to do (*struct->func)(args) when invoking a function
> > pointer. You can jsut have struct->func(args) as we do elsewhere. This
> > can be:
> >
> > omap_ssi->get_loss(ssi->device.parent)
> >
> > This should be fixed up in the other sites too.
>
> in fact, we should stop expecting that service and drivers should
> manage their own context_loss detection
> Examples:
> MMC:
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a82e06e6183a252608df48cc4793b83e2d73dfd
>
> DSS: http://marc.info/?l=linux-omap&m=139272358619064&w=2
I'm currently initializing get_loss as NULL, so context loss
detection is currently disabled. I will try to find a way to
detect context loss once the n900 modem is in a working state
in the mainline kernel.
For now I will keep the get_loss() with the changes requested
by Mark.
-- Sebastian
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