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i2c: uniphier: use devm_get_addr() to get base address

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Currently, fdtdec_get_addr_size() does not support the address
translation, so it cannot handle device trees with non-straight
"ranges" properties.  (This would be a problem with DTS for UniPhier
ARMv8 SoCs.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-03-24 22:32:40 +09:00
parent 45a3b1fd6c
commit 336399fb63
2 changed files with 10 additions and 13 deletions
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12
drivers/i2c/i2c-uniphier-f.c
View file

@ -7,6 +7,7 @@
#include <common.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/sizes.h>
#include <asm/errno.h>
#include <dm/device.h>
#include <dm/root.h>
@ -14,8 +15,6 @@
#include <fdtdec.h>
#include <mapmem.h>
DECLARE_GLOBAL_DATA_PTR;
struct uniphier_fi2c_regs {
u32 cr; /* control register */
#define I2C_CR_MST (1 << 3) /* master mode */
@ -112,15 +111,14 @@ static int check_device_busy(struct uniphier_fi2c_regs __iomem *regs)
static int uniphier_fi2c_probe(struct udevice *dev)
{
fdt_addr_t addr;
fdt_size_t size;
struct uniphier_fi2c_dev *priv = dev_get_priv(dev);
int ret;
addr = fdtdec_get_addr_size(gd->fdt_blob, dev->of_offset, "reg",
&size);
priv->regs = map_sysmem(addr, size);
addr = dev_get_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->regs = map_sysmem(addr, SZ_128);
if (!priv->regs)
return -ENOMEM;

11
drivers/i2c/i2c-uniphier.c
View file

@ -7,6 +7,7 @@
#include <common.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/sizes.h>
#include <asm/errno.h>
#include <dm/device.h>
#include <dm/root.h>
@ -14,8 +15,6 @@
#include <fdtdec.h>
#include <mapmem.h>
DECLARE_GLOBAL_DATA_PTR;
struct uniphier_i2c_regs {
u32 dtrm; /* data transmission */
#define I2C_DTRM_STA (1 << 10)
@ -48,13 +47,13 @@ struct uniphier_i2c_dev {
static int uniphier_i2c_probe(struct udevice *dev)
{
fdt_addr_t addr;
fdt_size_t size;
struct uniphier_i2c_dev *priv = dev_get_priv(dev);
addr = fdtdec_get_addr_size(gd->fdt_blob, dev->of_offset, "reg", &size);
priv->regs = map_sysmem(addr, size);
addr = dev_get_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->regs = map_sysmem(addr, SZ_64);
if (!priv->regs)
return -ENOMEM;