Re: [PATCH 1/2] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz
From: Chris Ball <hidden>
Date: 2012-11-26 15:09:10
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- 2012-11-26 · Re: [PATCH 1/2] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz · Chris Ball <hidden>
- 2012-11-26 · Re: [PATCH 1/2] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz · Viresh Kumar <viresh.kumar@linaro.org>
- 2012-11-20 · Re: [PATCH 1/2] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz · Viresh Kumar <viresh.kumar@linaro.org>
- 2012-11-08 · [PATCH 1/2] mmc: sdhci-spear: Initialize sdhci clk to 50 MHz · Viresh Kumar <viresh.kumar@linaro.org>
Hi, On Thu, Nov 08 2012, Viresh Kumar wrote:
quoted hunk
From: Vipul Kumar Samar <redacted> SPEAr sdhci driver expects the clock to be set to 50 MHz for proper functioning. This patch sets clk to 50 MHz in probe. Signed-off-by: Vipul Kumar Samar <redacted> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/mmc/host/sdhci-spear.c | 5 +++++ 1 file changed, 5 insertions(+)diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index 6be89c0..fea8bf9 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c@@ -146,6 +146,11 @@ static int __devinit sdhci_probe(struct platform_device *pdev) goto put_clk; } + ret = clk_set_rate(sdhci->clk, 50000000); + if (ret) + dev_dbg(&pdev->dev, "Error setting desired clk, clk=%lu\n", + clk_get_rate(sdhci->clk)); + if (np) { sdhci->data = sdhci_probe_config_dt(pdev); if (IS_ERR(sdhci->data)) {
Can I change this to a dev_err()? No-one's going to see a dev_dbg(). Thanks, - Chris. -- Chris Ball [off-list ref] <http://printf.net/> One Laptop Per Child