linux-kernel - [PATCH v7 06/10] rtc: at91sam9: rework the Kconfig description

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Message-Id: <1411465130-29011-7-git-send-email-boris.brezillon@free-electrons.com>
Date:	Tue, 23 Sep 2014 11:38:46 +0200
From:	Boris BREZILLON <boris.brezillon@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Andrew Victor <linux@...im.org.za>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Johan Hovold <jhovold@...il.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>
Subject: [PATCH v7 06/10] rtc: at91sam9: rework the Kconfig description

Remove all references to AT91CAP9 SoC which has been removed.
Rework the help message to remove any specific references to AT91SAM9 SoCs.

Signed-off-by: Boris BREZILLON <boris.brezillon@...e-electrons.com>
---
 drivers/rtc/Kconfig | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 7d76da8..455f2c3 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1079,17 +1079,18 @@ config RTC_DRV_AT91RM9200
 	  this is powered by the backup power supply.
 
 config RTC_DRV_AT91SAM9
-	tristate "AT91SAM9x/AT91CAP9 RTT as RTC"
+	tristate "AT91SAM9 RTT as RTC"
 	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
 	select MFD_SYSCON
 	help
-	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
-	  (Real Time Timer). These timers are powered by the backup power
-	  supply (such as a small coin cell battery), but do not need to
-	  be used as RTCs.
-
-	  (On AT91SAM9rl and AT91SAM9G45 chips you probably want to use the
-	  dedicated RTC module and leave the RTT available for other uses.)
+	  Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which
+	  can be used as an RTC thanks to the backup power supply (e.g. a
+	  small coin cell battery) which keeps this block and the GPBR
+	  (General Purpose Backup Registers) block powered when the device
+	  is shutdown.
+	  Some AT91SAM9 SoCs provide a real RTC block, on those ones you'd
+	  probably want to use the real RTC block instead of the RTT as an
+	  RTT driver.
 
 config RTC_DRV_AT91SAM9_RTT
 	int
-- 
1.9.1

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