Hi Peng,
On 12/04/19 09:55, Peng Fan wrote:
Read the temperature when print cpu inforation.
Signed-off-by: Peng Fan peng.fan@nxp.com
arch/arm/mach-imx/imx8/cpu.c | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 4bbc956f9d..25b010489b 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -11,6 +11,7 @@ #include <dm/lists.h> #include <dm/uclass.h> #include <errno.h> +#include <thermal.h> #include <asm/arch/sci/sci.h> #include <asm/arch/sys_proto.h> #include <asm/arch-imx/cpu.h> @@ -571,15 +572,45 @@ const char *get_core_name(void) return "?"; }
+#if defined(CONFIG_IMX_SCU_THERMAL) +static int cpu_imx_get_temp(void) +{
This generates a warning when CONFIG_IMX_SCU_THERMAL is not set, because it is called later:
- struct udevice *thermal_dev;
- int cpu_tmp, ret;
- ret = uclass_get_device_by_name(UCLASS_THERMAL, "cpu-thermal0",
&thermal_dev);- if (!ret) {
ret = thermal_get_temp(thermal_dev, &cpu_tmp);if (ret)return 0xdeadbeef;- } else {
return 0xdeadbeef;- }
- return cpu_tmp;
+} +#endif
int cpu_imx_get_desc(struct udevice *dev, char *buf, int size) { struct cpu_imx_platdata *plat = dev_get_platdata(dev);
int ret;
if (size < 100) return -ENOSPC;
- snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz\n",
plat->type, plat->rev, plat->name, plat->freq_mhz);
- ret = snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz",
plat->type, plat->rev, plat->name, plat->freq_mhz);- if (IS_ENABLED(CONFIG_IMX_SCU_THERMAL)) {
buf = buf + ret;size = size - ret;ret = snprintf(buf, size, " at %dC", cpu_imx_get_temp());
^--- here it is referenced.
Regards, Stefano
}
snprintf(buf + ret, size - ret, "\n");
return 0;
}