2019-06-14 08:28:41

by Yinbo Zhu

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Subject: [PATCH v1] mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a

From: Yangbo Lu <[email protected]>

LS1028A used 1/2 periperhal clock as one reference clock.

Signed-off-by: Yangbo Lu <[email protected]>
---
drivers/mmc/host/sdhci-of-esdhc.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index c56c7d413a09..4dd43b1adf2c 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -1048,11 +1048,12 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host)
/*
* esdhc->peripheral_clock would be assigned with a value
* which is eSDHC base clock when use periperal clock.
- * For ls1046a, the clock value got by common clk API is
- * peripheral clock while the eSDHC base clock is 1/2
- * peripheral clock.
+ * For some platforms, the clock value got by common clk
+ * API is peripheral clock while the eSDHC base clock is
+ * 1/2 peripheral clock.
*/
- if (of_device_is_compatible(np, "fsl,ls1046a-esdhc"))
+ if (of_device_is_compatible(np, "fsl,ls1046a-esdhc") ||
+ of_device_is_compatible(np, "fsl,ls1028a-esdhc"))
esdhc->peripheral_clock = clk_get_rate(clk) / 2;
else
esdhc->peripheral_clock = clk_get_rate(clk);
--
2.17.1


2019-06-17 11:38:31

by Ulf Hansson

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Subject: Re: [PATCH v1] mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1028a

On Fri, 14 Jun 2019 at 10:28, Yinbo Zhu <[email protected]> wrote:
>
> From: Yangbo Lu <[email protected]>
>
> LS1028A used 1/2 periperhal clock as one reference clock.
>
> Signed-off-by: Yangbo Lu <[email protected]>

Applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/sdhci-of-esdhc.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
> index c56c7d413a09..4dd43b1adf2c 100644
> --- a/drivers/mmc/host/sdhci-of-esdhc.c
> +++ b/drivers/mmc/host/sdhci-of-esdhc.c
> @@ -1048,11 +1048,12 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host)
> /*
> * esdhc->peripheral_clock would be assigned with a value
> * which is eSDHC base clock when use periperal clock.
> - * For ls1046a, the clock value got by common clk API is
> - * peripheral clock while the eSDHC base clock is 1/2
> - * peripheral clock.
> + * For some platforms, the clock value got by common clk
> + * API is peripheral clock while the eSDHC base clock is
> + * 1/2 peripheral clock.
> */
> - if (of_device_is_compatible(np, "fsl,ls1046a-esdhc"))
> + if (of_device_is_compatible(np, "fsl,ls1046a-esdhc") ||
> + of_device_is_compatible(np, "fsl,ls1028a-esdhc"))
> esdhc->peripheral_clock = clk_get_rate(clk) / 2;
> else
> esdhc->peripheral_clock = clk_get_rate(clk);
> --
> 2.17.1
>