[PATCH v1] i.MX: esdhc: wait until SDSTB is asserted, not other way arround

[PATCH v1] i.MX: esdhc: wait until SDSTB is asserted, not other way arround

[Oleksij Rempel]

this added 10msec on each sd/mmc clock switch request.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/mci/imx-esdhc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
index 141d715c90..55e8371dd8 100644
--- a/drivers/mci/imx-esdhc.c
+++ b/drivers/mci/imx-esdhc.c
@@ -454,7 +454,7 @@ static void set_sysctl(struct mci_host *mci, u32 clock)
 			SYSCTL_CLOCK_MASK, clk);
 
 	wait_on_timeout(10 * MSECOND,
-			!(esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB));
+			esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB);
 
 	clk = SYSCTL_PEREN | SYSCTL_CKEN;
 
-- 
2.11.0


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Re: [PATCH v1] i.MX: esdhc: wait until SDSTB is asserted, not other way arround

[Sascha Hauer]

On Sat, Nov 11, 2017 at 10:39:44AM +0100, Oleksij Rempel wrote:
> this added 10msec on each sd/mmc clock switch request.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  drivers/mci/imx-esdhc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
> index 141d715c90..55e8371dd8 100644
> --- a/drivers/mci/imx-esdhc.c
> +++ b/drivers/mci/imx-esdhc.c
> @@ -454,7 +454,7 @@ static void set_sysctl(struct mci_host *mci, u32 clock)
>  			SYSCTL_CLOCK_MASK, clk);
>  
>  	wait_on_timeout(10 * MSECOND,
> -			!(esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB));
> +			esdhc_read32(regs + SDHCI_PRESENT_STATE) & PRSSTAT_SDSTB);
>  
>  	clk = SYSCTL_PEREN | SYSCTL_CKEN;
>  
> -- 
> 2.11.0
> 
> 
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> 

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