linux-kernel - spitz pm: adjust messages

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Message-ID: <20110521122450.GA6954@elf.ucw.cz>
Date:	Sat, 21 May 2011 14:24:50 +0200
From:	Pavel Machek <pavel@....cz>
To:	rpurdie@...ys.net, lenz@...wisc.edu,
	kernel list <linux-kernel@...r.kernel.org>, arminlitzel@....de,
	Cyril Hrubis <metan@....cz>, thommycheck@...il.com,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	dbaryshkov@...il.com, omegamoon@...il.com, eric.y.miao@...il.com,
	utx@...guin.cz, zaurus-devel@...ts.linuxtogo.org,
	Marek Vasut <marek.vasut@...il.com>
Subject: spitz pm: adjust messages

Charger error is something that should be reported to the syslog; do
it. If temperature reading fails, we do not want to charge the
battery, anyway.

Signed-off-by: Pavel Machek <pavel@....cz>

diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 785880f..513588c 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -317,6 +302,8 @@ static void sharpsl_charge_off(void)
 
 static void sharpsl_charge_error(void)
 {
+	dev_warn(sharpsl_pm.dev, "Charger Error\n");
+
 	sharpsl_pm_led(SHARPSL_LED_ERROR);
 	sharpsl_pm.machinfo->charge(0);
 	sharpsl_pm.charge_mode = CHRG_ERROR;
@@ -513,8 +500,10 @@ static int sharpsl_check_battery_temp(void)
 	val = get_select_val(buff);
 
 	dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val);
-	if (val > sharpsl_pm.machinfo->charge_on_temp) {
-		printk(KERN_WARNING "Not charging: temperature out of limits.\n");
+	/* FIXME: this should catch battery read errors, but we should
+	   probably avoid charging in <0C temperatures, too. */
+	if ((val < 0) || (val > sharpsl_pm.machinfo->charge_on_temp)) {
+		dev_warn(sharpsl_pm.dev, "Not charging: temperature %d out of limits.\n", val);
 		return -1;
 	}
 
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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