ARM: s3c: simplify platform code

Following down the now unused symbols and header files, some additional
content can be dropped that is used by neither the s3c64xx DT support
nor the crag6410 board.

Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 83 deletions

diff --git a/arch/arm/mach-s3c/pm-s3c64xx.c b/arch/arm/mach-s3c/pm-s3c64xx.c
index 7bc7417fd803..284d5f462513 100644
--- a/arch/arm/mach-s3c/pm-s3c64xx.c
+++ b/arch/arm/mach-s3c/pm-s3c64xx.c
@@ -173,23 +173,6 @@ static struct s3c64xx_pm_domain *s3c64xx_pm_domains[] = {
 	&s3c64xx_pm_f,
 };
 
-#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
-void s3c_pm_debug_smdkled(u32 set, u32 clear)
-{
-	unsigned long flags;
-	int i;
-
-	local_irq_save(flags);
-	for (i = 0; i < 4; i++) {
-		if (clear & (1 << i))
-			gpio_set_value(S3C64XX_GPN(12 + i), 0);
-		if (set & (1 << i))
-			gpio_set_value(S3C64XX_GPN(12 + i), 1);
-	}
-	local_irq_restore(flags);
-}
-#endif
-
 #ifdef CONFIG_PM_SLEEP
 static struct sleep_save core_save[] = {
 	SAVE_ITEM(S3C64XX_MEM0DRVCON),
@@ -224,8 +207,6 @@ void s3c_pm_restore_core(void)
 {
 	__raw_writel(0, S3C64XX_EINT_MASK);
 
-	s3c_pm_debug_smdkled(1 << 2, 0);
-
 	s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save));
 	s3c_pm_do_restore(misc_save, ARRAY_SIZE(misc_save));
 }
@@ -258,9 +239,6 @@ static int s3c64xx_cpu_suspend(unsigned long arg)
 	__raw_writel(__raw_readl(S3C64XX_WAKEUP_STAT),
 		     S3C64XX_WAKEUP_STAT);
 
-	/* set the LED state to 0110 over sleep */
-	s3c_pm_debug_smdkled(3 << 1, 0xf);
-
 	/* issue the standby signal into the pm unit. Note, we
 	 * issue a write-buffer drain just in case */
 
@@ -305,56 +283,6 @@ static void s3c64xx_pm_prepare(void)
 	__raw_writel(__raw_readl(S3C64XX_WAKEUP_STAT), S3C64XX_WAKEUP_STAT);
 }
 
-#ifdef CONFIG_SAMSUNG_PM_DEBUG
-void s3c_pm_arch_update_uart(void __iomem *regs, struct pm_uart_save *save)
-{
-	u32 ucon;
-	u32 ucon_clk
-	u32 save_clk;
-	u32 new_ucon;
-	u32 delta;
-
-	if (!soc_is_s3c64xx())
-		return;
-
-	ucon = __raw_readl(regs + S3C2410_UCON);
-	ucon_clk = ucon & S3C6400_UCON_CLKMASK;
-	sav_clk = save->ucon & S3C6400_UCON_CLKMASK;
-
-	/* S3C64XX UART blocks only support level interrupts, so ensure that
-	 * when we restore unused UART blocks we force the level interrupt
-	 * settings. */
-	save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL;
-
-	/* We have a constraint on changing the clock type of the UART
-	 * between UCLKx and PCLK, so ensure that when we restore UCON
-	 * that the CLK field is correctly modified if the bootloader
-	 * has changed anything.
-	 */
-	if (ucon_clk != save_clk) {
-		new_ucon = save->ucon;
-		delta = ucon_clk ^ save_clk;
-
-		/* change from UCLKx => wrong PCLK,
-		 * either UCLK can be tested for by a bit-test
-		 * with UCLK0 */
-		if (ucon_clk & S3C6400_UCON_UCLK0 &&
-		    !(save_clk & S3C6400_UCON_UCLK0) &&
-		    delta & S3C6400_UCON_PCLK2) {
-			new_ucon &= ~S3C6400_UCON_UCLK0;
-		} else if (delta == S3C6400_UCON_PCLK2) {
-			/* as an precaution, don't change from
-			 * PCLK2 => PCLK or vice-versa */
-			new_ucon ^= S3C6400_UCON_PCLK2;
-		}
-
-		S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n",
-			  ucon, new_ucon, save->ucon);
-		save->ucon = new_ucon;
-	}
-}
-#endif
-
 int __init s3c64xx_pm_init(void)
 {
 	int i;
@@ -384,17 +312,6 @@ static __init int s3c64xx_pm_initcall(void)
 	pm_cpu_prep = s3c64xx_pm_prepare;
 	pm_cpu_sleep = s3c64xx_cpu_suspend;
 
-#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
-	gpio_request(S3C64XX_GPN(12), "DEBUG_LED0");
-	gpio_request(S3C64XX_GPN(13), "DEBUG_LED1");
-	gpio_request(S3C64XX_GPN(14), "DEBUG_LED2");
-	gpio_request(S3C64XX_GPN(15), "DEBUG_LED3");
-	gpio_direction_output(S3C64XX_GPN(12), 0);
-	gpio_direction_output(S3C64XX_GPN(13), 0);
-	gpio_direction_output(S3C64XX_GPN(14), 0);
-	gpio_direction_output(S3C64XX_GPN(15), 0);
-#endif
-
 	return 0;
 }
 arch_initcall(s3c64xx_pm_initcall);