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spi: designware: convert to livetree

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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
1 changed files with 2 additions and 6 deletions
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8
drivers/spi/designware_spi.c
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@ -22,8 +22,6 @@
#include <linux/iopoll.h> #include <linux/iopoll.h>
#include <asm/io.h> #include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
/* Register offsets */ /* Register offsets */
#define DW_SPI_CTRL0 0x00 #define DW_SPI_CTRL0 0x00
#define DW_SPI_CTRL1 0x04 #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) static int dw_spi_ofdata_to_platdata(struct udevice *bus)
{ {
struct dw_spi_platdata *plat = bus->platdata; 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); plat->regs = (struct dw_spi *)devfdt_get_addr(bus);
/* Use 500KHz as a suitable default */ /* Use 500KHz as a suitable default */
plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency", plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",
500000); 500000);
debug("%s: regs=%p max-frequency=%d\n", __func__, plat->regs, debug("%s: regs=%p max-frequency=%d\n", __func__, plat->regs,
plat->frequency); plat->frequency);