Remove the option to provide signal direction configuration and
feeback clock as platform data, enforce it through DT.
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
drivers/mmc/host/mmci.c | 34 ++++++++++++++--------------------
drivers/mmc/host/mmci.h | 11 +++++++++++
include/linux/amba/mmci.h | 16 ----------------
3 files changed, 25 insertions(+), 36 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 41bc054..cac5f28 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1287,7 +1287,7 @@ 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->pwr_reg_add;
if (ios->bus_width == MMC_BUS_WIDTH_4)
pwr &= ~MCI_ST_DATA74DIREN;
@@ -1386,29 +1386,26 @@ 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)
+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_get_property(np, "st,sig-dir-dat0", NULL))
- pdata->sigdir |= MCI_ST_DATA0DIREN;
+ host->pwr_reg_add |= MCI_ST_DATA0DIREN;
if (of_get_property(np, "st,sig-dir-dat2", NULL))
- pdata->sigdir |= MCI_ST_DATA2DIREN;
+ host->pwr_reg_add |= MCI_ST_DATA2DIREN;
if (of_get_property(np, "st,sig-dir-dat31", NULL))
- pdata->sigdir |= MCI_ST_DATA31DIREN;
+ host->pwr_reg_add |= MCI_ST_DATA31DIREN;
if (of_get_property(np, "st,sig-dir-dat74", NULL))
- pdata->sigdir |= MCI_ST_DATA74DIREN;
+ host->pwr_reg_add |= MCI_ST_DATA74DIREN;
if (of_get_property(np, "st,sig-dir-cmd", NULL))
- pdata->sigdir |= MCI_ST_CMDDIREN;
+ host->pwr_reg_add |= MCI_ST_CMDDIREN;
if (of_get_property(np, "st,sig-pin-fbclk", NULL))
- pdata->sigdir |= MCI_ST_FBCLKEN;
-}
-
-static int mmci_of_parse(struct device_node *np, struct mmc_host *mmc)
-{
- int ret = mmc_of_parse(mmc);
-
- if (ret)
- return ret;
+ host->pwr_reg_add |= MCI_ST_FBCLKEN;
if (of_get_property(np, "mmc-cap-mmc-highspeed", NULL))
mmc->caps |= MMC_CAP_MMC_HIGHSPEED;
@@ -1440,9 +1437,6 @@ static int mmci_probe(struct amba_device *dev,
return -ENOMEM;
}
- if (np)
- mmci_dt_populate_generic_pdata(np, plat);
-
mmc = mmc_alloc_host(sizeof(struct mmci_host), &dev->dev);
if (!mmc)
return -ENOMEM;
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 8fc5814..347d942 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -13,6 +13,16 @@
#define MCI_PWR_ON 0x03
#define MCI_OD (1 << 6)
#define MCI_ROD (1 << 7)
+/*
+ * The ST Micro version does not have ROD and reuse the voltage registers for
+ * direction settings.
+ */
+#define MCI_ST_DATA2DIREN (1 << 2)
+#define MCI_ST_CMDDIREN (1 << 3)
+#define MCI_ST_DATA0DIREN (1 << 4)
+#define MCI_ST_DATA31DIREN (1 << 5)
+#define MCI_ST_FBCLKEN (1 << 7)
+#define MCI_ST_DATA74DIREN (1 << 8)
#define MMCICLOCK 0x004
#define MCI_CLK_ENABLE (1 << 8)
@@ -183,6 +193,7 @@ struct mmci_host {
unsigned int mclk;
unsigned int cclk;
u32 pwr_reg;
+ u32 pwr_reg_add;
u32 clk_reg;
u32 datactrl_reg;
u32 busy_status;
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 32a89cf..0d3ff95 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -6,19 +6,6 @@
#include <linux/mmc/host.h>
-
-/*
- * These defines is places here due to access is needed from machine
- * configuration files. The ST Micro version does not have ROD and
- * reuse the voltage registers for direction settings.
- */
-#define MCI_ST_DATA2DIREN (1 << 2)
-#define MCI_ST_CMDDIREN (1 << 3)
-#define MCI_ST_DATA0DIREN (1 << 4)
-#define MCI_ST_DATA31DIREN (1 << 5)
-#define MCI_ST_FBCLKEN (1 << 7)
-#define MCI_ST_DATA74DIREN (1 << 8)
-
/* Just some dummy forwarding */
struct dma_chan;
@@ -45,8 +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
@@ -69,7 +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
--
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