[RFC 3/6] clocksource: tcb_clksrc: use atmel_io.h to provide on-chip IO
From: Hans-Christian Egtvedt <hidden>
Date: 2015-03-26 11:55:12
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Around Thu 26 Mar 2015 11:45:51 +0000 or thereabout, Ben Dooks wrote:
Use <linux/atmel_io.h> to provide IO accessors which work on both AVR32 and ARM for on-chip peripherals. Signed-off-by: Ben Dooks <redacted>
Acked-by: Hans-Christian Egtvedt <redacted>
quoted hunk ↗ jump to hunk
-- CC: Daniel Lezcano <redacted> CC: Thomas Gleixner <redacted> CC: Linux Kernel <redacted> CC: Linux ARM Kernel <redacted> CC: Andrew Victor <redacted> CC: Nicolas Ferre <redacted> CC: Jean-Christophe Plagniol-Villard <redacted> --- drivers/clocksource/tcb_clksrc.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 0f819dd3..b25416d 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c@@ -9,6 +9,7 @@ #include <linux/ioport.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/atmel_io.h> #include <linux/atmel_tc.h>@@ -41,13 +42,8 @@ static void __iomem *tcaddr; -#ifdef CONFIG_AVR32 -#define tcb_readl __raw_readl -#define tcb_writel __raw_writel -#else -#define tcb_readl readl_relaxed -#define tcb_writel writel_relaxed -#endif +#define tcb_readl atmel_oc_readl +#define tcb_writel atmel_oc_writel
A note here is that we could replace these defines completely, and use the
atmel_oc_{read,write}{l,w} directly in the driver. That would be a nice
follow-up to this patch, first replace the defines to use the common
accessor, then replace the defines all together.
<snipp>
--
mvh
Hans-Christian Egtvedt