From: emilio@elopez.com.ar (Emilio López)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] [PATCH v2 3/5] spi: sunxi: Add Allwinner A31 SPI controller driver
Date: Wed, 29 Jan 2014 22:20:48 -0300 [thread overview]
Message-ID: <52E9A8F0.8030901@elopez.com.ar> (raw)
In-Reply-To: <1390993850-9054-4-git-send-email-maxime.ripard@free-electrons.com>
Hi Maxime,
El 29/01/14 08:10, Maxime Ripard escribi?:
> The Allwinner A31 has a new SPI controller IP compared to the older Allwinner
> SoCs.
>
> It supports DMA, but the driver only does PIO for now, and DMA will be
> supported eventually.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
(snip)
> + struct sun6i_spi *sspi = spi_master_get_devdata(master);
> + int ret;
> +
> + ret = clk_prepare_enable(sspi->hclk);
> + if (ret) {
> + dev_err(dev, "Couldn't enable clock 'ahb spi'\n");
> + goto out;
> + }
> +
> + ret = clk_prepare_enable(sspi->mclk);
> + if (ret) {
> + dev_err(dev, "Couldn't enable clock 'ahb spi'\n");
A different message would be nice :)
Cheers,
Emilio
next prev parent reply other threads:[~2014-01-30 1:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-29 11:10 [PATCH v2 0/5] Add Allwinner A31 SPI controller support Maxime Ripard
2014-01-29 11:10 ` [PATCH v2 1/5] clk: sunxi: Add support for PLL6 on the A31 Maxime Ripard
2014-01-29 11:10 ` [PATCH v2 2/5] ARM: sun6i: dt: Add PLL6 and SPI module clocks Maxime Ripard
2014-01-29 11:10 ` [PATCH v2 3/5] spi: sunxi: Add Allwinner A31 SPI controller driver Maxime Ripard
2014-01-29 12:25 ` Mark Brown
2014-01-29 13:32 ` Maxime Ripard
2014-01-29 16:40 ` Mark Brown
2014-01-30 23:52 ` Kevin Hilman
2014-01-31 2:29 ` Felipe Balbi
2014-01-31 5:06 ` Kevin Hilman
2014-01-31 8:11 ` Maxime Ripard
2014-01-31 16:03 ` Mark Brown
2014-02-03 17:39 ` Kevin Hilman
2014-01-30 1:20 ` Emilio López [this message]
2014-01-29 11:10 ` [PATCH v2 4/5] ARM: sun6i: dt: Add SPI controllers to the A31 DTSI Maxime Ripard
2014-01-29 11:10 ` [PATCH v2 5/5] ARM: sunxi: Enable A31 SPI and SID in the defconfig Maxime Ripard
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