Re: [PATCH] mmc: mxs-mmc: Add broken-cd devicetree property
Dear Alexandre Pereira da Silva, > On Sat, Apr 6, 2013 at 10:58 AM, Marc Kleine-Budde > wrote: > > According to the documentation broken card detect is something different > > > > than non-removable: > > > - broken-cd: There is no card detection available; polling must be > > > used. - non-removable: non-removable slot (like eMMC); assume always > > > present. > > > > But mxs-mmc set MMC_CAP_NEEDS_POLL unconditionally. > > I will work on a better way to fix this. NEEDS_POLL looks nice and seems to fit this case. Best regards, Marek Vasut -- 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
Re: [PATCH] mmc: mxs-mmc: Add broken-cd devicetree property
On Sat, Apr 6, 2013 at 10:58 AM, Marc Kleine-Budde wrote: > According to the documentation broken card detect is something different > than non-removable: > > > - broken-cd: There is no card detection available; polling must be used. > > - non-removable: non-removable slot (like eMMC); assume always present. > > But mxs-mmc set MMC_CAP_NEEDS_POLL unconditionally. I will work on a better way to fix this. -- 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
Re: [PATCH] mmc: mxs-mmc: Add broken-cd devicetree property
On 04/06/2013 03:43 PM, Alexandre Pereira da Silva wrote: > In case of broken card detect support, assume the card is non-removable According to the documentation broken card detect is something different than non-removable: > - broken-cd: There is no card detection available; polling must be used. > - non-removable: non-removable slot (like eMMC); assume always present. But mxs-mmc set MMC_CAP_NEEDS_POLL unconditionally. http://lxr.free-electrons.com/source/drivers/mmc/host/mxs-mmc.c#L682 Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions| Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917- | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de | signature.asc Description: OpenPGP digital signature
[PATCH] mmc: mxs-mmc: Add broken-cd devicetree property
In case of broken card detect support, assume the card is non-removable Signed-off-by: Alexandre Pereira da Silva --- This patch depends on Marc Kleine-Budde series adding support for non-removable. drivers/mmc/host/mxs-mmc.c |3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index c231881..8418928 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -689,7 +689,8 @@ static int mxs_mmc_probe(struct platform_device *pdev) mmc->caps |= MMC_CAP_4_BIT_DATA; else if (bus_width == 8) mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA; - host->non_removable = of_property_read_bool(np, "non-removable"); + host->non_removable = of_property_read_bool(np, "non-removable") | + of_property_read_bool(np, "broken-cd"); if (host->non_removable) mmc->caps |= MMC_CAP_NONREMOVABLE; host->wp_gpio = of_get_named_gpio_flags(np, "wp-gpios", 0, &flags); -- 1.7.10 -- 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