From: Javier Martinez Canillas Date: Wed, 29 Mar 2017 13:37:59 +0000 (-0400) Subject: auxdisplay: img-ascii-lcd: Fix module autoload X-Git-Tag: v4.12-rc1~95^2~49 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=750100a495be63c1db7b97691556d7d9cac7f978;p=karo-tx-linux.git auxdisplay: img-ascii-lcd: Fix module autoload If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/auxdisplay/img-ascii-lcd.ko | grep alias $ After this patch: $ modinfo drivers/auxdisplay/img-ascii-lcd.ko | grep alias alias: of:N*T*Cmti,sead3-lcdC* alias: of:N*T*Cmti,sead3-lcd alias: of:N*T*Cmti,malta-lcdC* alias: of:N*T*Cmti,malta-lcd alias: of:N*T*Cimg,boston-lcdC* alias: of:N*T*Cimg,boston-lcd Signed-off-by: Javier Martinez Canillas Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index 83f1439e57fd..25306fa27251 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -220,6 +220,7 @@ static const struct of_device_id img_ascii_lcd_matches[] = { { .compatible = "mti,sead3-lcd", .data = &sead3_config }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches); /** * img_ascii_lcd_scroll() - scroll the display by a character