On Thu, Dec 26, 2013 at 03:23:53PM +0800, Dong Aisheng wrote: > Sometimes we may meet the following lockdep issue. > The root cause is .set_clock callback is executed with spin_lock_irqsave > in sdhci_do_set_ios. However, the IMX set_clock callback will try to access > clk_get_rate which is using a mutex lock. > > The fix avoids access mutex in .set_clock callback by initializing the > pltfm_host->clock at probe time and use it later instead of calling > clk_get_rate again in atomic context.
<snip> > Cc: Chris Ball <c...@laptop.org> > Cc: Fabio Estevam <fabio.este...@freescale.com> > Cc: Shawn Guo <shawn....@linaro.org> For both, Acked-by: Shawn Guo <shawn....@linaro.org> > Fixes: 0ddf03c mmc: esdhc-imx: parse max-frequency from devicetree > Signed-off-by: Dong Aisheng <b29...@freescale.com> -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
