On Sun, Nov 14, 2021 at 07:39:25PM -0800, Randy Dunlap wrote: > Convert function-like macro comments to kernel-doc notation and > fix other kernel-doc warnings: > > drivers/video/backlight/ili922x.c:85: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst > * START_BYTE(id, rs, rw) > drivers/video/backlight/ili922x.c:118: warning: expecting prototype for CHECK_FREQ_REG(spi_device s, spi_transfer x)(). Prototype was for CHECK_FREQ_REG() instead > > ili922x.c:92: warning: contents before sections > ili922x.c:150: warning: No description found for return value of 'ili922x_read_status' > ili922x.c:193: warning: No description found for return value of 'ili922x_read' > ili922x.c:247: warning: No description found for return value of 'ili922x_write' > ili922x.c:353: warning: No description found for return value of 'ili922x_poweron' > ili922x.c:382: warning: No description found for return value of 'ili922x_poweroff' > > Fixes: 4cfbfa971478 ("video: backlight: add ili922x lcd driver") > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Cc: Lee Jones <lee.jones@xxxxxxxxxx> > Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > Cc: Jingoo Han <jingoohan1@xxxxxxxxx> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: Stefano Babic <sbabic@xxxxxxx> > Cc: Anatolij Gustschin <agust@xxxxxxx> Thanks for the fixes. Just a could of quibbles about full stops/periods. > --- > drivers/video/backlight/ili922x.c | 29 ++++++++++++++++++---------- > 1 file changed, 19 insertions(+), 10 deletions(-) > > --- linux-next-20211102.orig/drivers/video/backlight/ili922x.c > +++ linux-next-20211102/drivers/video/backlight/ili922x.c > @@ -82,13 +82,7 @@ > #define START_RW_READ 1 > > /** > - * START_BYTE(id, rs, rw) > - * > - * Set the start byte according to the required operation. > - * The start byte is defined as: > - * ---------------------------------- > - * | 0 | 1 | 1 | 1 | 0 | ID | RS | RW | > - * ---------------------------------- > + * START_BYTE() - Set the start byte according to the required operation Missing full stop/period. > * @id: display's id as set by the manufacturer > * @rs: operation type bit, one of: > * - START_RS_INDEX set the index register > @@ -96,14 +90,19 @@ > * @rw: read/write operation > * - START_RW_WRITE write > * - START_RW_READ read > + * > + * The start byte is defined as: > + * ---------------------------------- > + * | 0 | 1 | 1 | 1 | 0 | ID | RS | RW | > + * ---------------------------------- > */ > #define START_BYTE(id, rs, rw) \ > (0x70 | (((id) & 0x01) << 2) | (((rs) & 0x01) << 1) | ((rw) & 0x01)) > > /** > - * CHECK_FREQ_REG(spi_device s, spi_transfer x) - Check the frequency > - * for the SPI transfer. According to the datasheet, the controller > - * accept higher frequency for the GRAM transfer, but it requires > + * CHECK_FREQ_REG() - Check the frequency for the SPI transfer > + * According to the datasheet, the controller > + * accepts higher frequency for the GRAM transfer, but it requires Also missing the full stop/period in the first sentence of the summary. Note that here the missing full stop does not benefit from a new line to conceal it and we will generate bad text as a result. Check the frequency for the SPI transfer According to the data sheet, the controller accepts... Daniel.