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cpu: Convert the methods to use a const udevice *

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These functions should not modify the device. Convert them to const so
that callers don't need to cast if they have a const udevice *.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-01-26 22:06:27 -07:00
parent 3b9a87321c
commit f07e58b878
15 changed files with 63 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/cpu/bmips_cpu.c
View File

@@ -379,7 +379,7 @@ static const struct bmips_cpu_hw bmips_cpu_bcm6838 = {
};
/* Generic CPU Ops */
static int bmips_cpu_get_desc(struct udevice *dev, char *buf, int size)
static int bmips_cpu_get_desc(const struct udevice *dev, char *buf, int size)
{
struct bmips_cpu_priv *priv = dev_get_priv(dev);
const struct bmips_cpu_hw *hw = priv->hw;
@@ -387,7 +387,7 @@ static int bmips_cpu_get_desc(struct udevice *dev, char *buf, int size)
return hw->get_cpu_desc(priv, buf, size);
}
static int bmips_cpu_get_info(struct udevice *dev, struct cpu_info *info)
static int bmips_cpu_get_info(const struct udevice *dev, struct cpu_info *info)
{
struct bmips_cpu_priv *priv = dev_get_priv(dev);
const struct bmips_cpu_hw *hw = priv->hw;
@@ -400,7 +400,7 @@ static int bmips_cpu_get_info(struct udevice *dev, struct cpu_info *info)
return 0;
}
static int bmips_cpu_get_count(struct udevice *dev)
static int bmips_cpu_get_count(const struct udevice *dev)
{
struct bmips_cpu_priv *priv = dev_get_priv(dev);
const struct bmips_cpu_hw *hw = priv->hw;
@@ -408,7 +408,7 @@ static int bmips_cpu_get_count(struct udevice *dev)
return hw->get_cpu_count(priv);
}
static int bmips_cpu_get_vendor(struct udevice *dev, char *buf, int size)
static int bmips_cpu_get_vendor(const struct udevice *dev, char *buf, int size)
{
snprintf(buf, size, "Broadcom");

8
drivers/cpu/cpu-uclass.c
View File

@@ -69,7 +69,7 @@ struct udevice *cpu_get_current_dev(void)
return cpu;
}
int cpu_get_desc(struct udevice *dev, char *buf, int size)
int cpu_get_desc(const struct udevice *dev, char *buf, int size)
{
struct cpu_ops *ops = cpu_get_ops(dev);
@@ -79,7 +79,7 @@ int cpu_get_desc(struct udevice *dev, char *buf, int size)
return ops->get_desc(dev, buf, size);
}
int cpu_get_info(struct udevice *dev, struct cpu_info *info)
int cpu_get_info(const struct udevice *dev, struct cpu_info *info)
{
struct cpu_ops *ops = cpu_get_ops(dev);
@@ -92,7 +92,7 @@ int cpu_get_info(struct udevice *dev, struct cpu_info *info)
return ops->get_info(dev, info);
}
int cpu_get_count(struct udevice *dev)
int cpu_get_count(const struct udevice *dev)
{
struct cpu_ops *ops = cpu_get_ops(dev);
@@ -102,7 +102,7 @@ int cpu_get_count(struct udevice *dev)
return ops->get_count(dev);
}
int cpu_get_vendor(struct udevice *dev, char *buf, int size)
int cpu_get_vendor(const struct udevice *dev, char *buf, int size)
{
struct cpu_ops *ops = cpu_get_ops(dev);

8
drivers/cpu/cpu_sandbox.c
View File

@@ -8,14 +8,14 @@
#include <dm.h>
#include <cpu.h>
int cpu_sandbox_get_desc(struct udevice *dev, char *buf, int size)
int cpu_sandbox_get_desc(const struct udevice *dev, char *buf, int size)
{
snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
return 0;
}
int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
int cpu_sandbox_get_info(const struct udevice *dev, struct cpu_info *info)
{
info->cpu_freq = 42 * 42 * 42 * 42 * 42;
info->features = 0x42424242;
@@ -24,12 +24,12 @@ int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
return 0;
}
int cpu_sandbox_get_count(struct udevice *dev)
int cpu_sandbox_get_count(const struct udevice *dev)
{
return 42;
}
int cpu_sandbox_get_vendor(struct udevice *dev, char *buf, int size)
int cpu_sandbox_get_vendor(const struct udevice *dev, char *buf, int size)
{
snprintf(buf, size, "Languid Example Garbage Inc.");

8
drivers/cpu/imx8_cpu.c
View File

@@ -100,7 +100,7 @@ static int cpu_imx_get_temp(struct cpu_imx_platdata *plat)
}
#endif
int cpu_imx_get_desc(struct udevice *dev, char *buf, int size)
int cpu_imx_get_desc(const struct udevice *dev, char *buf, int size)
{
struct cpu_imx_platdata *plat = dev_get_platdata(dev);
int ret, temp;
@@ -126,7 +126,7 @@ int cpu_imx_get_desc(struct udevice *dev, char *buf, int size)
return 0;
}
static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info)
static int cpu_imx_get_info(const struct udevice *dev, struct cpu_info *info)
{
struct cpu_imx_platdata *plat = dev_get_platdata(dev);
@@ -135,7 +135,7 @@ static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info)
return 0;
}
static int cpu_imx_get_count(struct udevice *dev)
static int cpu_imx_get_count(const struct udevice *dev)
{
ofnode node;
int num = 0;
@@ -157,7 +157,7 @@ static int cpu_imx_get_count(struct udevice *dev)
return num;
}
static int cpu_imx_get_vendor(struct udevice *dev, char *buf, int size)
static int cpu_imx_get_vendor(const struct udevice *dev, char *buf, int size)
{
snprintf(buf, size, "NXP");
return 0;

26
drivers/cpu/mpc83xx_cpu.c
View File

@@ -60,7 +60,7 @@ static inline u32 get_spridr(void)
* determine_type() - Determine CPU family of MPC83xx device
* @dev: CPU device from which to read CPU family from
*/
static inline void determine_family(struct udevice *dev)
static inline void determine_family(const struct udevice *dev)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
/* Upper 12 bits of PARTID field (bits 0-23 in SPRIDR) */
@@ -95,7 +95,7 @@ static inline void determine_family(struct udevice *dev)
* determine_type() - Determine CPU type of MPC83xx device
* @dev: CPU device from which to read CPU type from
*/
static inline void determine_type(struct udevice *dev)
static inline void determine_type(const struct udevice *dev)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
/* Upper 16 bits of PVR (Processor Version Register) */
@@ -169,7 +169,7 @@ static inline void determine_type(struct udevice *dev)
* determine_e300_type() - Determine e300 core type of MPC83xx device
* @dev: CPU device from which to read e300 core type from
*/
static inline void determine_e300_type(struct udevice *dev)
static inline void determine_e300_type(const struct udevice *dev)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
/* Upper 16 bits of PVR (Processor Version Register) */
@@ -198,7 +198,7 @@ static inline void determine_e300_type(struct udevice *dev)
* determine_revid() - Determine revision ID of CPU device
* @dev: CPU device from which to read revision ID
*/
static inline void determine_revid(struct udevice *dev)
static inline void determine_revid(const struct udevice *dev)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
u32 REVID_MAJOR_MASK;
@@ -221,7 +221,7 @@ static inline void determine_revid(struct udevice *dev)
* determine_cpu_data() - Determine CPU information from hardware
* @dev: CPU device from which to read information
*/
static void determine_cpu_data(struct udevice *dev)
static void determine_cpu_data(const struct udevice *dev)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
const u32 E_FLAG_MASK = 0x00010000;
@@ -239,7 +239,7 @@ static void determine_cpu_data(struct udevice *dev)
priv->is_e_processor = !bitfield_extract_by_mask(spridr, E_FLAG_MASK);
}
static int mpc83xx_cpu_get_desc(struct udevice *dev, char *buf, int size)
static int mpc83xx_cpu_get_desc(const struct udevice *dev, char *buf, int size)
{
struct mpc83xx_cpu_priv *priv = dev_get_priv(dev);
struct clk core_clk;
@@ -248,14 +248,14 @@ static int mpc83xx_cpu_get_desc(struct udevice *dev, char *buf, int size)
char csb_freq[32];
int ret;
ret = clk_get_by_index(dev, 0, &core_clk);
ret = clk_get_by_index((struct udevice *)dev, 0, &core_clk);
if (ret) {
debug("%s: Failed to get core clock (err = %d)\n",
dev->name, ret);
return ret;
}
ret = clk_get_by_index(dev, 1, &csb_clk);
ret = clk_get_by_index((struct udevice *)dev, 1, &csb_clk);
if (ret) {
debug("%s: Failed to get CSB clock (err = %d)\n",
dev->name, ret);
@@ -278,13 +278,14 @@ static int mpc83xx_cpu_get_desc(struct udevice *dev, char *buf, int size)
return 0;
}
static int mpc83xx_cpu_get_info(struct udevice *dev, struct cpu_info *info)
static int mpc83xx_cpu_get_info(const struct udevice *dev,
struct cpu_info *info)
{
struct clk clock;
int ret;
ulong freq;
ret = clk_get_by_index(dev, 0, &clock);
ret = clk_get_by_index((struct udevice *)dev, 0, &clock);
if (ret) {
debug("%s: Failed to get core clock (err = %d)\n",
dev->name, ret);
@@ -303,13 +304,14 @@ static int mpc83xx_cpu_get_info(struct udevice *dev, struct cpu_info *info)
return 0;
}
static int mpc83xx_cpu_get_count(struct udevice *dev)
static int mpc83xx_cpu_get_count(const struct udevice *dev)
{
/* We have one e300cX core */
return 1;
}
static int mpc83xx_cpu_get_vendor(struct udevice *dev, char *buf, int size)
static int mpc83xx_cpu_get_vendor(const struct udevice *dev, char *buf,
int size)
{
snprintf(buf, size, "NXP");

8
drivers/cpu/riscv_cpu.c
View File

@@ -17,7 +17,7 @@
DECLARE_GLOBAL_DATA_PTR;
static int riscv_cpu_get_desc(struct udevice *dev, char *buf, int size)
static int riscv_cpu_get_desc(const struct udevice *dev, char *buf, int size)
{
const char *isa;
@@ -30,7 +30,7 @@ static int riscv_cpu_get_desc(struct udevice *dev, char *buf, int size)
return 0;
}
static int riscv_cpu_get_info(struct udevice *dev, struct cpu_info *info)
static int riscv_cpu_get_info(const struct udevice *dev, struct cpu_info *info)
{
int ret;
struct clk clk;
@@ -39,7 +39,7 @@ static int riscv_cpu_get_info(struct udevice *dev, struct cpu_info *info)
u32 d_cache_size;
/* First try getting the frequency from the assigned clock */
ret = clk_get_by_index(dev, 0, &clk);
ret = clk_get_by_index((struct udevice *)dev, 0, &clk);
if (!ret) {
ret = clk_get_rate(&clk);
if (!IS_ERR_VALUE(ret))
@@ -67,7 +67,7 @@ static int riscv_cpu_get_info(struct udevice *dev, struct cpu_info *info)
return 0;
}
static int riscv_cpu_get_count(struct udevice *dev)
static int riscv_cpu_get_count(const struct udevice *dev)
{
ofnode node;
int num = 0;