On Thursday, October 20, 2016 7:36:22 PM CEST Imran Khan wrote:
> +#include <linux/soc/qcom/socinfo.h>
> +#include <linux/soc/qcom/smem.h>
> +
> +#include <asm/system_misc.h>
I don't see anything here that needs asm/system_misc.h
> +const char *hw_platform[] = {
> + [HW_PLATFORM_UNKNOWN] = "Unknown",
> + [HW_PLATFORM_SURF] = "Surf",
> + [HW_PLATFORM_FFA] = "FFA",
> + [HW_PLATFORM_FLUID] = "Fluid",
> +};
> +
> +const char *qrd_hw_platform_subtype[] = {
> + [PLATFORM_SUBTYPE_QRD] = "QRD",
> + [PLATFORM_SUBTYPE_SKUAA] = "SKUAA",
> +};
> +
> +const char *hw_platform_subtype[] = {
> + [PLATFORM_SUBTYPE_UNKNOWN] = "Unknown",
> +};
Make these all static
> +
> +/* Used to parse shared memory. Must match the modem. */
> +struct socinfo_v0_1 {
> + uint32_t format;
> + uint32_t id;
> + uint32_t version;
s/uint32_t/u32/
> +
> +uint32_t socinfo_get_id(void)
> +{
> + return (socinfo) ? socinfo->v0_1.id : 0;
> +}
> +EXPORT_SYMBOL_GPL(socinfo_get_id);
> +
> +uint32_t socinfo_get_version(void)
> +{
> + return (socinfo) ? socinfo->v0_1.version : 0;
> +}
> +EXPORT_SYMBOL_GPL(socinfo_get_version);
> +
> +char *socinfo_get_build_id(void)
> +{
> + return (socinfo) ? socinfo->v0_1.build_id : NULL;
> +}
> +EXPORT_SYMBOL_GPL(socinfo_get_build_id);
Please remove all the exports and mark the functions static,
we don't want any drivers poking vendor-specific interfaces
for this.
> +/* socinfo: sysfs functions */
This seems overly verbose, having both raw and human-readable
IDs is generally not necessary, pick one of the two. If you
need any fields that we don't already support in soc_device,
let's talk about adding them to the generic structure.
> +static ssize_t
> +qcom_get_image_version(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)
> +{
> + char *string_address;
> +
> + string_address = socinfo_get_image_version_base_address(dev);
> + if (IS_ERR_OR_NULL(string_address)) {
IS_ERR_OR_NULL() indicates that your interface is not well-designed.
Please return either NULL on all failures, or return an error pointer
on all failures, not both.
> +/* Platform Subtype String is being deprecated. Use Platform
> + * Subtype ID instead.
> + */
If it's deprecated, don't add it to the kernel!
> diff --git a/include/linux/soc/qcom/socinfo.h b/include/linux/soc/qcom/socinfo.h
> new file mode 100644
> index 0000000..17ca50a
> --- /dev/null
> +++ b/include/linux/soc/qcom/socinfo.h
Merge the header file into the driver.
Arnd
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