| Message ID | 20240329075630.2069474-15-tzungbi@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | platform/chrome: provide ID table for avoiding fallback match | expand |
On 29/03/2024 08:56, Tzung-Bi Shih wrote: > Instead of using fallback driver name match, provide ID table[1] for the > primary match. > > Also shrink the name for fitting to [2]. > > [1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353 > [2]: https://elixir.bootlin.com/linux/v6.8/source/include/linux/mod_devicetable.h#L608 > I think this should be two commits, where the first one is a fix (Fixes tag) for the size of name. Best regards, Krzysztof
On Fri, Mar 29, 2024 at 03:56:26PM +0800, Tzung-Bi Shih wrote: > Instead of using fallback driver name match, provide ID table[1] for the > primary match. > > Also shrink the name for fitting to [2]. > > [1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353 > [2]: https://elixir.bootlin.com/linux/v6.8/source/include/linux/mod_devicetable.h#L608 > > Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Reviewed-by: Benson Leung <bleung@chromium.org> > --- > drivers/platform/chrome/cros_kbd_led_backlight.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c > index 793fd3f1015d..b83e4f328620 100644 > --- a/drivers/platform/chrome/cros_kbd_led_backlight.c > +++ b/drivers/platform/chrome/cros_kbd_led_backlight.c > @@ -9,6 +9,7 @@ > #include <linux/init.h> > #include <linux/kernel.h> > #include <linux/leds.h> > +#include <linux/mod_devicetable.h> > #include <linux/module.h> > #include <linux/of.h> > #include <linux/platform_data/cros_ec_commands.h> > @@ -247,17 +248,23 @@ static const struct of_device_id keyboard_led_of_match[] = { > MODULE_DEVICE_TABLE(of, keyboard_led_of_match); > #endif > > +static const struct platform_device_id keyboard_led_id[] = { > + { "cros-keyboard-leds", 0 }, > + {} > +}; > +MODULE_DEVICE_TABLE(platform, keyboard_led_id); > + > static struct platform_driver keyboard_led_driver = { > .driver = { > - .name = "chromeos-keyboard-leds", > + .name = "cros-keyboard-leds", > .acpi_match_table = ACPI_PTR(keyboard_led_acpi_match), > .of_match_table = of_match_ptr(keyboard_led_of_match), > }, > .probe = keyboard_led_probe, > + .id_table = keyboard_led_id, > }; > module_platform_driver(keyboard_led_driver); > > MODULE_AUTHOR("Simon Que <sque@chromium.org>"); > MODULE_DESCRIPTION("ChromeOS Keyboard backlight LED Driver"); > MODULE_LICENSE("GPL"); > -MODULE_ALIAS("platform:chromeos-keyboard-leds"); > -- > 2.44.0.478.gd926399ef9-goog > >
On Fri, Mar 29, 2024 at 04:53:48PM +0100, Krzysztof Kozlowski wrote: > On 29/03/2024 08:56, Tzung-Bi Shih wrote: > > Instead of using fallback driver name match, provide ID table[1] for the > > primary match. > > > > Also shrink the name for fitting to [2]. > > > > [1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353 > > [2]: https://elixir.bootlin.com/linux/v6.8/source/include/linux/mod_devicetable.h#L608 > > > > I think this should be two commits, where the first one is a fix (Fixes > tag) for the size of name. Splitted to 2 commits in v2[3]. It doesn't include a Fixes tag as the compiler complaints the oversize only if putting the original driver name to struct platform_device_id. [3]: https://patchwork.kernel.org/project/chrome-platform/patch/20240401030052.2887845-6-tzungbi@kernel.org/
diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c index 793fd3f1015d..b83e4f328620 100644 --- a/drivers/platform/chrome/cros_kbd_led_backlight.c +++ b/drivers/platform/chrome/cros_kbd_led_backlight.c @@ -9,6 +9,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/leds.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_data/cros_ec_commands.h> @@ -247,17 +248,23 @@ static const struct of_device_id keyboard_led_of_match[] = { MODULE_DEVICE_TABLE(of, keyboard_led_of_match); #endif +static const struct platform_device_id keyboard_led_id[] = { + { "cros-keyboard-leds", 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, keyboard_led_id); + static struct platform_driver keyboard_led_driver = { .driver = { - .name = "chromeos-keyboard-leds", + .name = "cros-keyboard-leds", .acpi_match_table = ACPI_PTR(keyboard_led_acpi_match), .of_match_table = of_match_ptr(keyboard_led_of_match), }, .probe = keyboard_led_probe, + .id_table = keyboard_led_id, }; module_platform_driver(keyboard_led_driver); MODULE_AUTHOR("Simon Que <sque@chromium.org>"); MODULE_DESCRIPTION("ChromeOS Keyboard backlight LED Driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:chromeos-keyboard-leds");
Instead of using fallback driver name match, provide ID table[1] for the primary match. Also shrink the name for fitting to [2]. [1]: https://elixir.bootlin.com/linux/v6.8/source/drivers/base/platform.c#L1353 [2]: https://elixir.bootlin.com/linux/v6.8/source/include/linux/mod_devicetable.h#L608 Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> --- drivers/platform/chrome/cros_kbd_led_backlight.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)