spi: designware: convert to livetree

Convert 'dw_spi_ofdata_to_platdata' to use 'dev_read_u32_default'
instead of 'fdtdec_get_int' and get rid of DECLARE_GLOBAL_DATA_PTR.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
This commit is contained in:
Simon Goldschmidt 2019-05-09 22:11:57 +02:00 committed by Marek Vasut
parent 46b633d7b4
commit 27c3e07bcb

View File

@ -22,8 +22,6 @@
#include <linux/iopoll.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
/* Register offsets */
#define DW_SPI_CTRL0 0x00
#define DW_SPI_CTRL1 0x04
@ -155,14 +153,12 @@ static int request_gpio_cs(struct udevice *bus)
static int dw_spi_ofdata_to_platdata(struct udevice *bus)
{
struct dw_spi_platdata *plat = bus->platdata;
const void *blob = gd->fdt_blob;
int node = dev_of_offset(bus);
plat->regs = (struct dw_spi *)devfdt_get_addr(bus);
/* Use 500KHz as a suitable default */
plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
500000);
plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",
500000);
debug("%s: regs=%p max-frequency=%d\n", __func__, plat->regs,
plat->frequency);