linux-kernel - [PATCH 01/16] ARM: at91: at91sam9g45: switch to generic PWM framework

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Message-Id: <1395234209-15546-2-git-send-email-alexandre.belloni@free-electrons.com>
Date:	Wed, 19 Mar 2014 14:03:14 +0100
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>,
	Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jingoo Han <jg1.han@...sung.com>, linux-leds@...r.kernel.org,
	linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH 01/16] ARM: at91: at91sam9g45: switch to generic PWM framework

Switch to the pwm/pwm-atmel driver instead of misc/atmel_pwm

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 arch/arm/mach-at91/at91sam9g45.c         |  1 +
 arch/arm/mach-at91/at91sam9g45_devices.c | 11 ++---------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 3c519a7a938f..2d3c6e1ac158 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -250,6 +250,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
 	CLKDEV_CON_DEV_ID(NULL, "atmel_sha", &aestdessha_clk),
 	CLKDEV_CON_DEV_ID(NULL, "atmel_tdes", &aestdessha_clk),
 	CLKDEV_CON_DEV_ID(NULL, "atmel_aes", &aestdessha_clk),
+	CLKDEV_CON_DEV_ID(NULL, "at91sam9rl-pwm", &pwm_clk),
 	/* more usart lookup table for DT entries */
 	CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
 	CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 87135a61357d..25ba920cbe84 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1332,9 +1332,7 @@ static void __init at91_add_device_watchdog(void) {}
  *  PWM
  * --------------------------------------------------------------------*/
 
-#if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE)
-static u32 pwm_mask;
-
+#if IS_ENABLED(CONFIG_PWM_ATMEL)
 static struct resource pwm_resources[] = {
 	[0] = {
 		.start	= AT91SAM9G45_BASE_PWMC,
@@ -1349,11 +1347,8 @@ static struct resource pwm_resources[] = {
 };
 
 static struct platform_device at91sam9g45_pwm0_device = {
-	.name	= "atmel_pwm",
+	.name	= "at91sam9rl-pwm",
 	.id	= -1,
-	.dev	= {
-		.platform_data		= &pwm_mask,
-	},
 	.resource	= pwm_resources,
 	.num_resources	= ARRAY_SIZE(pwm_resources),
 };
@@ -1372,8 +1367,6 @@ void __init at91_add_device_pwm(u32 mask)
 	if (mask & (1 << AT91_PWM3))
 		at91_set_B_periph(AT91_PIN_PD0, 1);	/* enable PWM3 */
 
-	pwm_mask = mask;
-
 	platform_device_register(&at91sam9g45_pwm0_device);
 }
 #else
-- 
1.8.3.2

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