On 14/12/17 15:09, Kishon Vijay Abraham I wrote:
> Updating 'power_mode' in sdhci_omap_init_74_clocks results in
> 'power_mode' never updated to MMC_POWER_OFF during card
> removal. This results in initialization sequence not sent to the
> card during re-insertion.
> Fix it here by adding sdhci_omap_set_power_mode to update power_mode.
> This function can also be used later to perform operations that
> are specific to a power mode (e.g, disable tuning during power off).
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> drivers/mmc/host/sdhci-omap.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
> index 628bfe9a3d17..96985786cadf 100644
> --- a/drivers/mmc/host/sdhci-omap.c
> +++ b/drivers/mmc/host/sdhci-omap.c
> @@ -244,6 +244,12 @@ static int sdhci_omap_start_signal_voltage_switch(struct mmc_host *mmc,
> return 0;
> }
>
> +static void sdhci_omap_set_power_mode(struct sdhci_omap_host *omap_host,
> + u8 power_mode)
> +{
> + omap_host->power_mode = power_mode;
> +}
> +
> static void sdhci_omap_set_bus_mode(struct sdhci_omap_host *omap_host,
> unsigned int mode)
> {
> @@ -273,6 +279,7 @@ static void sdhci_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>
> sdhci_omap_set_bus_mode(omap_host, ios->bus_mode);
> sdhci_set_ios(mmc, ios);
> + sdhci_omap_set_power_mode(omap_host, ios->power_mode);
> }
>
> static u16 sdhci_omap_calc_divisor(struct sdhci_pltfm_host *host,
> @@ -401,8 +408,6 @@ static void sdhci_omap_init_74_clocks(struct sdhci_host *host, u8 power_mode)
> sdhci_omap_writel(omap_host, SDHCI_OMAP_STAT, INT_CC_EN);
>
> enable_irq(host->irq);
> -
> - omap_host->power_mode = power_mode;
> }
>
> static struct sdhci_ops sdhci_omap_ops = {
> @@ -504,6 +509,7 @@ static int sdhci_omap_probe(struct platform_device *pdev)
> omap_host->host = host;
> omap_host->base = host->ioaddr;
> omap_host->dev = dev;
> + omap_host->power_mode = MMC_POWER_UNDEFINED;
> host->ioaddr += offset;
>
> mmc = host->mmc;
>
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