On 07/27/2015 10:04 AM, Shawn Lin wrote:
> This patch adds the interface to get quirks from dts, and
> there is no need to assign different quirks by condition statement
> of arasan IP version.
>
> Signed-off-by: Shawn Lin <shawn....@rock-chips.com>
> ---
>
> drivers/mmc/host/sdhci-of-arasan.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c
> b/drivers/mmc/host/sdhci-of-arasan.c
> index ef5a7d2..db07788 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -132,6 +132,7 @@ static SIMPLE_DEV_PM_OPS(sdhci_arasan_dev_pm_ops,
> sdhci_arasan_suspend,
> static int sdhci_arasan_probe(struct platform_device *pdev)
> {
> int ret;
> + u32 quirktab[2];
> struct clk *clk_xin;
> struct sdhci_host *host;
> struct sdhci_pltfm_host *pltfm_host;
> @@ -172,6 +173,12 @@ static int sdhci_arasan_probe(struct platform_device
> *pdev)
> goto clk_disable_all;
> }
>
> + if (of_property_read_u32_array(pdev->dev.of_node,
> + "arasan,quirks", &quirktab[0], 2)) {
This is not documented anywhere that's why you should send binding to DT
mailing list and get ACK for it.
> + host->quirks |= quirktab[0];
> + host->quirks2 |= quirktab[1];
> + }
> +
> if (of_device_is_compatible(pdev->dev.of_node, "arasan,sdhci-4.9a")) {
> host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
> host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
>
Also is there any binding which is done in this way?
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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