Hi!
On Mon, Feb 17, 2014 at 01:30:43AM -0600, dinguyen@xxxxxxxxxx wrote:
> From: Dinh Nguyen <dinguyen@xxxxxxxxxx>
>
> Like the rockchip, Altera's SOCFPGA platform specific implementation of the
> dw_mmc driver requires using the HOLD register for SD commands.
>
> Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Pawel Moll <pawel.moll@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> Cc: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
> Cc: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> Cc: Chris Ball <chris@xxxxxxxxxx>
> ---
> drivers/mmc/host/dw_mmc-pltfm.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
> index 5c49656..88047cc 100644
> --- a/drivers/mmc/host/dw_mmc-pltfm.c
> +++ b/drivers/mmc/host/dw_mmc-pltfm.c
> @@ -34,6 +34,10 @@ static const struct dw_mci_drv_data rockchip_drv_data = {
> .prepare_command = dw_mci_rockchip_prepare_command,
> };
>
> +static const struct dw_mci_drv_data socfpga_drv_data = {
> + .prepare_command = dw_mci_rockchip_prepare_command,
> +};
> +
> int dw_mci_pltfm_register(struct platform_device *pdev,
> const struct dw_mci_drv_data *drv_data)
> {
> @@ -92,6 +96,8 @@ static const struct of_device_id dw_mci_pltfm_match[] = {
> { .compatible = "snps,dw-mshc", },
> { .compatible = "rockchip,rk2928-dw-mshc",
> .data = &rockchip_drv_data },
> + { .compatible = "altr,socfpga-dw-mshc",
> + .data = &socfpga_drv_data },
> {},
> };
> MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match);
> --
Not really a bad problem, but wouldn't it be better to rename
dw_mci_rockchip_prepare_command -> dw_mci_hold_reg_prepare_command
then? Has nothing to do with just rockchip anymore.
Regards,
Steffen
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