pwm: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-imx1.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-imx27.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-intel-lgm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-mediatek.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-pxa.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-samsung.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-spear.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/pwm/pwm-visconti.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Signed-off-by: Jeff Johnson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>

Author: Jeff Johnson

drivers/pwm/pwm-imx1.c

@@ -194,5 +194,6 @@ static struct platform_driver pwm_imx1_driver = {
 };
 module_platform_driver(pwm_imx1_driver);
 
+MODULE_DESCRIPTION("i.MX1 and i.MX21 Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Sascha Hauer <[email protected]>");

drivers/pwm/pwm-imx27.c

@@ -352,5 +352,6 @@ static struct platform_driver imx_pwm_driver = {
 };
 module_platform_driver(imx_pwm_driver);
 
+MODULE_DESCRIPTION("i.MX27 and later i.MX SoCs Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Sascha Hauer <[email protected]>");

drivers/pwm/pwm-intel-lgm.c

@@ -230,4 +230,5 @@ static struct platform_driver lgm_pwm_driver = {
 };
 module_platform_driver(lgm_pwm_driver);
 
+MODULE_DESCRIPTION("Intel LGM Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");

drivers/pwm/pwm-mediatek.c

@@ -395,4 +395,5 @@ static struct platform_driver pwm_mediatek_driver = {
 module_platform_driver(pwm_mediatek_driver);
 
 MODULE_AUTHOR("John Crispin <[email protected]>");
+MODULE_DESCRIPTION("MediaTek general purpose Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");

drivers/pwm/pwm-pxa.c

@@ -208,4 +208,5 @@ static struct platform_driver pwm_driver = {
 
 module_platform_driver(pwm_driver);
 
+MODULE_DESCRIPTION("PXA Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");

drivers/pwm/pwm-samsung.c

@@ -644,6 +644,7 @@ static struct platform_driver pwm_samsung_driver = {
 };
 module_platform_driver(pwm_samsung_driver);
 
+MODULE_DESCRIPTION("Samsung Pulse Width Modulator driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Tomasz Figa <[email protected]>");
 MODULE_ALIAS("platform:samsung-pwm");

drivers/pwm/pwm-spear.c

@@ -255,6 +255,7 @@ static struct platform_driver spear_pwm_driver = {
 
 module_platform_driver(spear_pwm_driver);
 
+MODULE_DESCRIPTION("ST Microelectronics SPEAr Pulse Width Modulator driver");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Shiraz Hashim <[email protected]>");
 MODULE_AUTHOR("Viresh Kumar <[email protected]>");

drivers/pwm/pwm-visconti.c

@@ -170,6 +170,7 @@ static struct platform_driver visconti_pwm_driver = {
 };
 module_platform_driver(visconti_pwm_driver);
 
+MODULE_DESCRIPTION("Toshiba Visconti Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Nobuhiro Iwamatsu <[email protected]>");
 MODULE_ALIAS("platform:pwm-visconti");