On Thu, Sep 17, 2015 at 05:45:18PM +0900, Simon Horman wrote: > Hi Mike, Hi Stephen, > > On Tue, Aug 04, 2015 at 02:28:16PM +0200, Geert Uytterhoeven wrote: > > Currently the CPG/MSTP Clock Domain code looks for MSTP clocks to power > > manage a device. > > > > Unfortunately, on R-Mobile APE6 (r8a73a4) and SH-Mobile AG5 (sh73a0), > > the Bus State Controller (BSC) is not power-managed by an MSTP clock, > > but by a plain CPG clock (zb_clk). Add a special case to handle this, > > so the clock is properly managed, and devices connected to the BSC work > > as expected. > > > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > > for one reason or another I seem to have this patch queued up in > my renesas tree for v4.4, without any Acks. > > I think it would be best if one of you took the patch instead. > Though I'm also happy to take it with Acks. > > Let me know how you would like to proceed. Sorry to revise the above, I should have checked more closely before I sent my previous email. I now see that I have an SoC patch that depends on this one. So if possible I'd like to take this one through my tree with an Ack or two. Thanks in advance! > > --- > > v4: > > - Add Reviewed-by, > > > > v3: > > - Use "CPG/MSTP Clock Domain" instead of "CPG Clock Domain", > > > > v2: > > - New. > > --- > > drivers/clk/shmobile/clk-mstp.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c > > index b1df7b2f1e970adb..a117c3f0f257b5e1 100644 > > --- a/drivers/clk/shmobile/clk-mstp.c > > +++ b/drivers/clk/shmobile/clk-mstp.c > > @@ -259,6 +259,10 @@ int cpg_mstp_attach_dev(struct generic_pm_domain *domain, struct device *dev) > > "renesas,cpg-mstp-clocks")) > > goto found; > > > > + /* BSC on r8a73a4/sh73a0 uses zb_clk instead of an mstp clock*/ > > + if (!strcmp(clkspec.np->name, "zb_clk")) > > + goto found; > > + > > of_node_put(clkspec.np); > > i++; > > } > > -- > > 1.9.1 > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
