Hi Andy, Thanks for reviewing! On 2019-01-27, Andy Shevchenko wrote: > On Sun, Jan 27, 2019 at 9:04 PM Mattias Jacobsson <2pi@xxxxxx> wrote: > > > > In preparation for adding WMI support to MODULE_DEVICE_TABLE() move the > > definition of struct wmi_device_id to mod_devicetable.h and inline > > guid_string in the struct. > > > > Changing guid_string to an inline char array changes the loop conditions > > when looping over an array of struct wmi_device_id. Therefore update > > wmi_dev_match()'s loop to check for an empty guid_string instead of a > > NULL pointer. > > Below some minor comments. > > > - while (id->guid_string) { > > + while (id->guid_string[0] != '\0') { > > Hmm.. I would rather put it as > > while (*id->guid_string) { Sure. > > > +#define WMI_MODULE_PREFIX "wmi:" > > > +#define WMI_GUID_STRING_LEN 36 > > Isn't this already defined in UUID namespace? > (include/linux/uuid.h IIRC) Kind of, UUID_STRING_LEN is defined in uuid.h. It is included behind a #ifdef __KERNEL__, but others seam to use things included through it so I guess it is alright... Let me know how you want it. > > > #include <linux/device.h> > > #include <linux/acpi.h> > > > +#include <linux/mod_devicetable.h> > > Not sure it's needed since acpi.h includes that. It is included in acpi.h(behind CONFIG_ACPI), I thought it was cleaner with it included explicitly. Plus that we aren't relying on others to include it. Let me know how you want it. > > -- > With Best Regards, > Andy Shevchenko Thanks, Mattias