Re: [PATCH v7 08/10] rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK
From: Boris BREZILLON <hidden>
Date: 2014-09-23 11:08:58
Also in:
linux-arm-kernel, linux-devicetree, lkml
On Tue, 23 Sep 2014 12:33:26 +0200 Johan Hovold [off-list ref] wrote:
On Tue, Sep 23, 2014 at 11:38:48AM +0200, Boris BREZILLON wrote:quoted
@@ -328,6 +328,7 @@ static int at91_rtc_probe(struct platform_device *pdev) struct sam9_rtc *rtc; int ret, irq; u32 mr; + unsigned int sclk_rate; irq = platform_get_irq(pdev, 0); if (irq < 0) {@@ -385,11 +386,27 @@ static int at91_rtc_probe(struct platform_device *pdev) return -ENOMEM; } + rtc->sclk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(rtc->sclk)) + return PTR_ERR(rtc->sclk); + + sclk_rate = clk_get_rate(rtc->sclk); + if (!sclk_rate || sclk_rate > AT91_RTT_RTTRST) {You probably meant AT91_RTT_RTPRES here.
Yes, that's what I meant. Nice catch! Thanks, Boris -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com