When trying to use this driver with the common clock framework, enabling the clock fails because it was not prepared. This fixes the problem by calling clk_prepare and clk_enable in a single function. Ditto for clk_disable_unprepare.
Signed-off-by: David Lechner <[email protected]> --- v2 changes: use clk_disable_unprepare where applicable. drivers/mmc/host/davinci_mmc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 6dd9562..8d10a92 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1273,9 +1273,9 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev) ret = PTR_ERR(host->clk); goto clk_get_fail; } - ret = clk_enable(host->clk); + ret = clk_prepare_enable(host->clk); if (ret) - goto clk_enable_fail; + goto clk_prepare_enable_fail; host->mmc_input_clk = clk_get_rate(host->clk); @@ -1375,8 +1375,8 @@ mmc_add_host_fail: mmc_davinci_cpufreq_deregister(host); cpu_freq_fail: davinci_release_dma_channels(host); - clk_disable(host->clk); -clk_enable_fail: + clk_disable_unprepare(host->clk); +clk_prepare_enable_fail: clk_get_fail: ioremap_fail: mmc_free_host(mmc); @@ -1391,7 +1391,7 @@ static int __exit davinci_mmcsd_remove(struct platform_device *pdev) mmc_remove_host(host->mmc); mmc_davinci_cpufreq_deregister(host); davinci_release_dma_channels(host); - clk_disable(host->clk); + clk_disable_unprepare(host->clk); mmc_free_host(host->mmc); return 0; -- 1.9.1
