On 05/27/2017 06:53 AM, David Woods wrote:
> Using the device_property interfaces allows the dw_mmc driver to work
> on platforms which run on either device tree or ACPI.
>
> Signed-off-by: David Woods <dwo...@mellanox.com>
> Reviewed-by: Chris Metcalf <cmetc...@mellanox.com>
> Cc: sta...@vger.linux.org
Acked-by: Jaehoon Chung <jh80.ch...@samsung.com>
Best Regards,
Jaehoon Chung
> ---
> drivers/mmc/host/dw_mmc.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index e45129f..efde0f2 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -2707,8 +2707,8 @@ static int dw_mci_init_slot(struct dw_mci *host,
> unsigned int id)
> host->slot[id] = slot;
>
> mmc->ops = &dw_mci_ops;
> - if (of_property_read_u32_array(host->dev->of_node,
> - "clock-freq-min-max", freq, 2)) {
> + if (device_property_read_u32_array(host->dev, "clock-freq-min-max",
> + freq, 2)) {
> mmc->f_min = DW_MCI_FREQ_MIN;
> mmc->f_max = DW_MCI_FREQ_MAX;
> } else {
> @@ -2808,7 +2808,6 @@ static void dw_mci_init_dma(struct dw_mci *host)
> {
> int addr_config;
> struct device *dev = host->dev;
> - struct device_node *np = dev->of_node;
>
> /*
> * Check tansfer mode from HCON[17:16]
> @@ -2869,8 +2868,9 @@ static void dw_mci_init_dma(struct dw_mci *host)
> dev_info(host->dev, "Using internal DMA controller.\n");
> } else {
> /* TRANS_MODE_EDMAC: check dma bindings again */
> - if ((of_property_count_strings(np, "dma-names") < 0) ||
> - (!of_find_property(np, "dmas", NULL))) {
> + if ((device_property_read_string_array(dev, "dma-names",
> + NULL, 0) < 0) ||
> + !device_property_present(dev, "dmas")) {
> goto no_dma;
> }
> host->dma_ops = &dw_mci_edmac_ops;
> @@ -2937,7 +2937,6 @@ static struct dw_mci_board *dw_mci_parse_dt(struct
> dw_mci *host)
> {
> struct dw_mci_board *pdata;
> struct device *dev = host->dev;
> - struct device_node *np = dev->of_node;
> const struct dw_mci_drv_data *drv_data = host->drv_data;
> int ret;
> u32 clock_frequency;
> @@ -2954,20 +2953,21 @@ static struct dw_mci_board *dw_mci_parse_dt(struct
> dw_mci *host)
> }
>
> /* find out number of slots supported */
> - of_property_read_u32(np, "num-slots", &pdata->num_slots);
> + device_property_read_u32(dev, "num-slots", &pdata->num_slots);
>
> - if (of_property_read_u32(np, "fifo-depth", &pdata->fifo_depth))
> + if (device_property_read_u32(dev, "fifo-depth", &pdata->fifo_depth))
> dev_info(dev,
> "fifo-depth property not found, using value of FIFOTH
> register as default\n");
>
> - of_property_read_u32(np, "card-detect-delay", &pdata->detect_delay_ms);
> + device_property_read_u32(dev, "card-detect-delay",
> + &pdata->detect_delay_ms);
>
> - of_property_read_u32(np, "data-addr", &host->data_addr_override);
> + device_property_read_u32(dev, "data-addr", &host->data_addr_override);
>
> - if (of_get_property(np, "fifo-watermark-aligned", NULL))
> + if (device_property_present(dev, "fifo-watermark-aligned"))
> host->wm_aligned = true;
>
> - if (!of_property_read_u32(np, "clock-frequency", &clock_frequency))
> + if (!device_property_read_u32(dev, "clock-frequency", &clock_frequency))
> pdata->bus_hz = clock_frequency;
>
> if (drv_data && drv_data->parse_dt) {
>
