[U-Boot] [PATCH 02/13] dm: pinctrl: convert pinctrl-single to livetree
Simon Glass
sjg at chromium.org
Wed Oct 30 01:48:05 UTC 2019
Hi Patrick,
On Wed, 23 Oct 2019 at 07:45, Patrick Delaunay <patrick.delaunay at st.com> wrote:
>
> Convert 'pinctrl-single' using livetree functions
> - ofnode_get_property
> - ofnode_read_u32_default
> - ofnode_read_u32_array
> - ofnode_read_bool
> - dev_read_addr
> and get rid of DECLARE_GLOBAL_DATA_PTR.
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> ---
>
> drivers/pinctrl/pinctrl-single.c | 33 +++++++++++++++-----------------
> 1 file changed, 15 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
> index 1dfc97dcea..67429d6995 100644
> --- a/drivers/pinctrl/pinctrl-single.c
> +++ b/drivers/pinctrl/pinctrl-single.c
> @@ -9,8 +9,6 @@
> #include <linux/libfdt.h>
> #include <asm/io.h>
>
> -DECLARE_GLOBAL_DATA_PTR;
> -
> struct single_pdata {
> fdt_addr_t base; /* first configuration register */
> int offset; /* index of last configuration register */
> @@ -117,13 +115,12 @@ static int single_configure_bits(struct udevice *dev,
> static int single_set_state(struct udevice *dev,
> struct udevice *config)
> {
> - const void *fdt = gd->fdt_blob;
> const struct single_fdt_pin_cfg *prop;
> const struct single_fdt_bits_cfg *prop_bits;
> int len;
>
> - prop = fdt_getprop(fdt, dev_of_offset(config), "pinctrl-single,pins",
> - &len);
> + prop = ofnode_get_property(dev_ofnode(dev), "pinctrl-single,pins",
> + &len);
dev_read_prop()
Similarly below
>
> if (prop) {
> dev_dbg(dev, "configuring pins for %s\n", config->name);
> @@ -136,9 +133,9 @@ static int single_set_state(struct udevice *dev,
> }
>
> /* pinctrl-single,pins not found so check for pinctrl-single,bits */
> - prop_bits = fdt_getprop(fdt, dev_of_offset(config),
> - "pinctrl-single,bits",
> - &len);
> + prop_bits = ofnode_get_property(dev_ofnode(dev),
> + "pinctrl-single,bits",
> + &len);
> if (prop_bits) {
> dev_dbg(dev, "configuring pins for %s\n", config->name);
> if (len % sizeof(struct single_fdt_bits_cfg)) {
> @@ -160,27 +157,27 @@ static int single_ofdata_to_platdata(struct udevice *dev)
> int res;
> struct single_pdata *pdata = dev->platdata;
>
> - pdata->width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
> - "pinctrl-single,register-width", 0);
> + pdata->width = ofnode_read_u32_default(dev_ofnode(dev),
> + "pinctrl-single,register-width",
> + 0);
>
> - res = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev),
> - "reg", of_reg, 2);
> + res = ofnode_read_u32_array(dev_ofnode(dev), "reg", of_reg, 2);
> if (res)
> return res;
> pdata->offset = of_reg[1] - pdata->width / 8;
>
> - addr = devfdt_get_addr(dev);
> + addr = dev_read_addr(dev);
> if (addr == FDT_ADDR_T_NONE) {
> dev_dbg(dev, "no valid base register address\n");
> return -EINVAL;
> }
> pdata->base = addr;
>
> - pdata->mask = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
> - "pinctrl-single,function-mask",
> - 0xffffffff);
> - pdata->bits_per_mux = fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
> - "pinctrl-single,bit-per-mux");
> + pdata->mask = ofnode_read_u32_default(dev_ofnode(dev),
> + "pinctrl-single,function-mask",
> + 0xffffffff);
> + pdata->bits_per_mux = ofnode_read_bool(dev_ofnode(dev),
> + "pinctrl-single,bit-per-mux");
>
> return 0;
> }
> --
> 2.17.1
Regards,
Simon
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