linux-kernel - [PATCH 2/9] ARM: OMAP: dmtimer: Add comments on OMAP1 clock framework

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Message-ID: <1397692999-7800-2-git-send-email-joelf@ti.com>
Date:	Wed, 16 Apr 2014 19:03:12 -0500
From:	Joel Fernandes <joelf@...com>
To:	Tony Lindgren <tony@...mide.com>
CC:	Rajendra Nayak <rnayak@...com>,
	Linux OMAP List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Joel Fernandes <joelf@...com>
Subject: [PATCH 2/9] ARM: OMAP: dmtimer: Add comments on OMAP1 clock framework

OMAP1 doesn't support clock framework, add a comment where needed
and correct a FIXME.

Signed-off-by: Joel Fernandes <joelf@...com>
---
 arch/arm/plat-omap/dmtimer.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index ecd3f97..f5a674c 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -142,8 +142,7 @@ static int omap_dm_timer_prepare(struct omap_dm_timer *timer)
 	int rc;
 
 	/*
-	 * FIXME: OMAP1 devices do not use the clock framework for dmtimers so
-	 * do not call clk_get() for these devices.
+	 * Do not call clk_get() for OMAP1 due to no clock framework support.
 	 */
 	if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) {
 		timer->fclk = clk_get(&timer->pdev->dev, "fck");
@@ -461,6 +460,7 @@ int omap_dm_timer_stop(struct omap_dm_timer *timer)
 	if (unlikely(!timer))
 		return -EINVAL;
 
+	/* OMAP1 is not converted to clk framework so avoid clk_get_rate here */
 	if (!(timer->capability & OMAP_TIMER_NEEDS_RESET))
 		rate = clk_get_rate(timer->fclk);
 
-- 
1.7.9.5

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