From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 4/6] ARM: s3c64xx: crag6410: Use PWM lookup table Date: Mon, 5 Oct 2015 14:47:15 +0200 Message-ID: <1444049237-29878-5-git-send-email-thierry.reding@gmail.com> References: <1444049237-29878-1-git-send-email-thierry.reding@gmail.com> Return-path: Received: from mail-wi0-f169.google.com ([209.85.212.169]:38859 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbbJEMrZ (ORCPT ); Mon, 5 Oct 2015 08:47:25 -0400 Received: by wiclk2 with SMTP id lk2so112876466wic.1 for ; Mon, 05 Oct 2015 05:47:24 -0700 (PDT) In-Reply-To: <1444049237-29878-1-git-send-email-thierry.reding@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Kukjin Kim , Krzysztof Kozlowski Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Thierry Reding Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Kukjin Kim Cc: Krzysztof Kozlowski Signed-off-by: Thierry Reding --- arch/arm/mach-s3c64xx/mach-crag6410.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index 65c426bc45f7..d13aa3f9bac4 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -108,11 +109,14 @@ static struct s3c2410_uartcfg crag6410_uartcfgs[] __initdata = { }, }; +static struct pwm_lookup crag6410_pwm_lookup[] = { + PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight", NULL, 100000, + PWM_POLARITY_NORMAL), +}; + static struct platform_pwm_backlight_data crag6410_backlight_data = { - .pwm_id = 0, .max_brightness = 1000, .dft_brightness = 600, - .pwm_period_ns = 100000, /* about 1kHz */ .enable_gpio = -1, }; @@ -843,6 +847,7 @@ static void __init crag6410_machine_init(void) samsung_keypad_set_platdata(&crag6410_keypad_data); s3c64xx_spi0_set_platdata(NULL, 0, 2); + pwm_add_table(crag6410_pwm_lookup, ARRAY_SIZE(crag6410_pwm_lookup)); platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices)); gpio_led_register_device(-1, &gpio_leds_pdata); -- 2.5.0