From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Hansson Subject: [PATCH 17/20] mmc: mmci: Enforce DT for signal direction Date: Fri, 21 Mar 2014 13:14:14 +0100 Message-ID: <1395404057-27835-18-git-send-email-ulf.hansson@linaro.org> References: <1395404057-27835-1-git-send-email-ulf.hansson@linaro.org> Return-path: In-Reply-To: <1395404057-27835-1-git-send-email-ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Russell King , Linus Walleij Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ulf Hansson List-Id: devicetree@vger.kernel.org Remove the option to provide signal direction configuration as platform data, enforce it through DT. Signed-off-by: Ulf Hansson --- drivers/mmc/host/mmci.c | 24 ++++++++---------------- drivers/mmc/host/mmci.h | 1 + include/linux/amba/mmci.h | 4 ---- 3 files changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index edf3cfd..bef3f85 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -1287,7 +1288,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) * indicating signal direction for the signals in * the SD/MMC bus and feedback-clock usage. */ - pwr |= host->plat->sigdir; + pwr |= host->sigdir; if (ios->bus_width == MMC_BUS_WIDTH_4) pwr &= ~MCI_ST_DATA74DIREN; @@ -1386,24 +1387,18 @@ static struct mmc_host_ops mmci_ops = { .start_signal_voltage_switch = mmci_sig_volt_switch, }; -static void mmci_dt_populate_generic_pdata(struct device_node *np, - struct mmci_platform_data *pdata) -{ - u32 sigdir = 0; - - if (!of_property_read_u32(np, "signal-direction", &sigdir)) { - sigdir &= MCI_ST_DATA2DIREN|MCI_ST_CMDDIREN|MCI_ST_DATA0DIREN| - MCI_ST_DATA31DIREN|MCI_ST_FBCLKEN|MCI_ST_DATA74DIREN; - pdata->sigdir = sigdir; - } -} - static int mmci_of_parse(struct device_node *np, struct mmc_host *mmc) { + struct mmci_host *host = mmc_priv(mmc); int ret = mmc_of_parse(mmc); if (ret) return ret; + if (!of_property_read_u32(np, "signal-direction", &host->sigdir)) + host->sigdir &= MCI_ST_DATA2DIREN | MCI_ST_CMDDIREN | + MCI_ST_DATA0DIREN | MCI_ST_DATA31DIREN | + MCI_ST_FBCLKEN | MCI_ST_DATA74DIREN; + if (of_get_property(np, "mmc-cap-mmc-highspeed", NULL)) mmc->caps |= MMC_CAP_MMC_HIGHSPEED; if (of_get_property(np, "mmc-cap-sd-highspeed", NULL)) @@ -1434,9 +1429,6 @@ static int mmci_probe(struct amba_device *dev, return -ENOMEM; } - if (np) - mmci_dt_populate_generic_pdata(np, plat); - if (!devm_request_mem_region(&dev->dev, dev->res.start, resource_size(&dev->res), DRIVER_NAME)) return -ENOMEM; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 8fc5814..6fdd11b 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -188,6 +188,7 @@ struct mmci_host { u32 busy_status; bool vqmmc_enabled; struct mmci_platform_data *plat; + u32 sigdir; struct variant_data *variant; u8 hw_designer; diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h index 47ff176..0d3ff95 100644 --- a/include/linux/amba/mmci.h +++ b/include/linux/amba/mmci.h @@ -5,7 +5,6 @@ #define AMBA_MMCI_H #include -#include /* Just some dummy forwarding */ struct dma_chan; @@ -33,8 +32,6 @@ struct dma_chan; * @capabilities: the capabilities of the block as implemented in * this platform, signify anything MMC_CAP_* from mmc/host.h * @capabilities2: more capabilities, MMC_CAP2_* from mmc/host.h - * @sigdir: a bit field indicating for what bits in the MMC bus the host - * should enable signal direction indication. * @dma_filter: function used to select an appropriate RX and TX * DMA channel to be used for DMA, if and only if you're deploying the * generic DMA engine @@ -57,7 +54,6 @@ struct mmci_platform_data { bool cd_invert; unsigned long capabilities; unsigned long capabilities2; - u32 sigdir; bool (*dma_filter)(struct dma_chan *chan, void *filter_param); void *dma_rx_param; void *dma_tx_param; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html