Messages in this thread | | | From | Ulf Hansson <> | Date | Mon, 2 Jul 2018 16:37:06 +0200 | Subject | Re: [PATCH] mmc: sdhci-of-esdhc: set proper dma mask for ls104x chips |
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On 28 June 2018 at 10:45, Laurentiu Tudor <laurentiu.tudor@nxp.com> wrote: > SDHCI controller in ls1043a and ls1046a generate 40-bit wide addresses > when doing DMA. Make sure that the corresponding dma mask is correctly > configured. > > Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Thanks, applied for next!
Kind regards Uffe
> --- > drivers/mmc/host/sdhci-of-esdhc.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c > index 4ffa6b173a21..8332f56e6c0d 100644 > --- a/drivers/mmc/host/sdhci-of-esdhc.c > +++ b/drivers/mmc/host/sdhci-of-esdhc.c > @@ -22,6 +22,7 @@ > #include <linux/sys_soc.h> > #include <linux/clk.h> > #include <linux/ktime.h> > +#include <linux/dma-mapping.h> > #include <linux/mmc/host.h> > #include "sdhci-pltfm.h" > #include "sdhci-esdhc.h" > @@ -427,6 +428,11 @@ static void esdhc_of_adma_workaround(struct sdhci_host *host, u32 intmask) > static int esdhc_of_enable_dma(struct sdhci_host *host) > { > u32 value; > + struct device *dev = mmc_dev(host->mmc); > + > + if (of_device_is_compatible(dev->of_node, "fsl,ls1043a-esdhc") || > + of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc")) > + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); > > value = sdhci_readl(host, ESDHC_DMA_SYSCTL); > value |= ESDHC_DMA_SNOOP; > -- > 2.17.1 >
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