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Code Issues Releases Wiki Activity

watchdog: pnx4008: don't use __raw_-accessors

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__raw_readl/__raw_writel are not meant for drivers [1].

[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/117626

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wolfram Sang 2012-02-02 18:48:09 +01:00 committed by Wim Van Sebroeck
parent 19f505f09c
commit 7cbc353540
1 changed files with 11 additions and 12 deletions
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23
drivers/watchdog/pnx4008_wdt.c
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@ -95,22 +95,21 @@ static void wdt_enable(void)
spin_lock(&io_lock);
/* stop counter, initiate counter reset */
__raw_writel(RESET_COUNT, WDTIM_CTRL(wdt_base));
writel(RESET_COUNT, WDTIM_CTRL(wdt_base));
/*wait for reset to complete. 100% guarantee event */
while (__raw_readl(WDTIM_COUNTER(wdt_base)))
while (readl(WDTIM_COUNTER(wdt_base)))
cpu_relax();
/* internal and external reset, stop after that */
__raw_writel(M_RES2 | STOP_COUNT0 | RESET_COUNT0,
WDTIM_MCTRL(wdt_base));
writel(M_RES2 | STOP_COUNT0 | RESET_COUNT0, WDTIM_MCTRL(wdt_base));
/* configure match output */
__raw_writel(MATCH_OUTPUT_HIGH, WDTIM_EMR(wdt_base));
writel(MATCH_OUTPUT_HIGH, WDTIM_EMR(wdt_base));
/* clear interrupt, just in case */
__raw_writel(MATCH_INT, WDTIM_INT(wdt_base));
writel(MATCH_INT, WDTIM_INT(wdt_base));
/* the longest pulse period 65541/(13*10^6) seconds ~ 5 ms. */
__raw_writel(0xFFFF, WDTIM_PULSE(wdt_base));
__raw_writel(heartbeat * WDOG_COUNTER_RATE, WDTIM_MATCH0(wdt_base));
writel(0xFFFF, WDTIM_PULSE(wdt_base));
writel(heartbeat * WDOG_COUNTER_RATE, WDTIM_MATCH0(wdt_base));
/*enable counter, stop when debugger active */
__raw_writel(COUNT_ENAB | DEBUG_EN, WDTIM_CTRL(wdt_base));
writel(COUNT_ENAB | DEBUG_EN, WDTIM_CTRL(wdt_base));
spin_unlock(&io_lock);
}
@ -119,7 +118,7 @@ static void wdt_disable(void)
{
spin_lock(&io_lock);
__raw_writel(0, WDTIM_CTRL(wdt_base)); /*stop counter */
writel(0, WDTIM_CTRL(wdt_base)); /*stop counter */
spin_unlock(&io_lock);
}
@ -269,8 +268,8 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev)
if (ret)
goto out;
boot_status = (__raw_readl(WDTIM_RES(wdt_base)) &
WDOG_RESET) ? WDIOF_CARDRESET : 0;
boot_status = (readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ?
WDIOF_CARDRESET : 0;
wdt_disable(); /*disable for now */
clk_disable(wdt_clk);