On Wed, Apr 13, 2016 at 09:55:14PM +0200, Geert Uytterhoeven wrote: > Hi Olof, > > On Wed, Apr 13, 2016 at 9:48 PM, Olof Johansson <olof@xxxxxxxxx> wrote: > > On Sun, Apr 3, 2016 at 6:23 PM, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote: > >> diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi > >> index eacb2b291361..4256557ca041 100644 > >> --- a/arch/arm/boot/dts/r8a7794.dtsi > >> +++ b/arch/arm/boot/dts/r8a7794.dtsi > >> @@ -296,8 +296,9 @@ > >> interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>; > >> clocks = <&mstp2_clks R8A7794_CLK_SCIFA0>; > >> clock-names = "fck"; > >> - dmas = <&dmac0 0x21>, <&dmac0 0x22>; > >> - dma-names = "tx", "rx"; > >> + dmas = <&dmac0 0x21>, <&dmac0 0x22>, > >> + <&dmac1 0x21>, <&dmac1 0x22>; > >> + dma-names = "tx", "rx", "tx", "rx"; > >> power-domains = <&cpg_clocks>; > >> status = "disabled"; > >> }; > > > > The names are no longer unique. So a get_<foo>_by_name() function no > > longer can work as expected. > > That's intentional, and a relic of how dma_request_slave_channel_compat() > works: if e.g. the first "tx" channel can't be gotten (e.g. because > the referenced > DMAC instance ran out of channels), it will try the next one. Hi Olof, is the above acceptable to you?
