From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Date: Fri, 11 Dec 2015 09:45:38 +0000 Subject: Re: [PATCH/RFC 00/19] r8a7793, gose: Add i2c and audio support to device tree Message-Id: List-Id: References: <1449802376-11301-1-git-send-email-horms+renesas@verge.net.au> In-Reply-To: <1449802376-11301-1-git-send-email-horms+renesas@verge.net.au> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org Hi Simon, On Fri, Dec 11, 2015 at 3:52 AM, Simon Horman wrote: > this series adds support to r8a7793 and gose device trees for: > * i2c and iic > * rcar sound: first in PIO mode then using DMA > > i2c support is a pre-requisite for rcar sound support. This series looks fine, when comparing the resulting DTS of r8a7793 and r8a7791, and taking into account the i2c/iic alias differences. Except for the missing audmapp. You can add my Acked-by: Geert Uytterhoeven to all but 8. > Unfortunately there appears to be some problem with DMA > for rcar sound that I have been unable to track down. On booting I see: > > rcar_sound ec500000.sound: dma allocate failed > rcar_sound ec500000.sound: ssi[0] fallback to PIO mode > rcar_sound ec500000.sound: ssi[1] fallback to PIO mode > rcar_sound ec500000.sound: probed > > I would appreciate any insights regarding the above. Missing periperi? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert@linux-m68k.org (Geert Uytterhoeven) Date: Fri, 11 Dec 2015 10:45:38 +0100 Subject: [PATCH/RFC 00/19] r8a7793, gose: Add i2c and audio support to device tree In-Reply-To: <1449802376-11301-1-git-send-email-horms+renesas@verge.net.au> References: <1449802376-11301-1-git-send-email-horms+renesas@verge.net.au> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Simon, On Fri, Dec 11, 2015 at 3:52 AM, Simon Horman wrote: > this series adds support to r8a7793 and gose device trees for: > * i2c and iic > * rcar sound: first in PIO mode then using DMA > > i2c support is a pre-requisite for rcar sound support. This series looks fine, when comparing the resulting DTS of r8a7793 and r8a7791, and taking into account the i2c/iic alias differences. Except for the missing audmapp. You can add my Acked-by: Geert Uytterhoeven to all but 8. > Unfortunately there appears to be some problem with DMA > for rcar sound that I have been unable to track down. On booting I see: > > rcar_sound ec500000.sound: dma allocate failed > rcar_sound ec500000.sound: ssi[0] fallback to PIO mode > rcar_sound ec500000.sound: ssi[1] fallback to PIO mode > rcar_sound ec500000.sound: probed > > I would appreciate any insights regarding the above. Missing periperi? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds