diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-bus.c | 21 | ||||
| -rw-r--r-- | drivers/bus/ts-nbus.c | 20 |
2 files changed, 24 insertions, 17 deletions
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index 85a567c987cc..f0404c6d1ff4 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -127,6 +127,16 @@ static int fsl_mc_bus_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } +static int fsl_mc_dma_configure(struct device *dev) +{ + struct device *dma_dev = dev; + + while (dev_is_fsl_mc(dma_dev)) + dma_dev = dma_dev->parent; + + return of_dma_configure(dev, dma_dev->of_node, 0); +} + static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -148,6 +158,7 @@ struct bus_type fsl_mc_bus_type = { .name = "fsl-mc", .match = fsl_mc_bus_match, .uevent = fsl_mc_bus_uevent, + .dma_configure = fsl_mc_dma_configure, .dev_groups = fsl_mc_dev_groups, }; EXPORT_SYMBOL_GPL(fsl_mc_bus_type); @@ -188,6 +199,10 @@ struct device_type fsl_mc_bus_dprtc_type = { .name = "fsl_mc_bus_dprtc" }; +struct device_type fsl_mc_bus_dpseci_type = { + .name = "fsl_mc_bus_dpseci" +}; + static struct device_type *fsl_mc_get_device_type(const char *type) { static const struct { @@ -203,6 +218,7 @@ static struct device_type *fsl_mc_get_device_type(const char *type) { &fsl_mc_bus_dpmcp_type, "dpmcp" }, { &fsl_mc_bus_dpmac_type, "dpmac" }, { &fsl_mc_bus_dprtc_type, "dprtc" }, + { &fsl_mc_bus_dpseci_type, "dpseci" }, { NULL, NULL } }; int i; @@ -616,6 +632,7 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, mc_dev->icid = parent_mc_dev->icid; mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK; mc_dev->dev.dma_mask = &mc_dev->dma_mask; + mc_dev->dev.coherent_dma_mask = mc_dev->dma_mask; dev_set_msi_domain(&mc_dev->dev, dev_get_msi_domain(&parent_mc_dev->dev)); } @@ -633,10 +650,6 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, goto error_cleanup_dev; } - /* Objects are coherent, unless 'no shareability' flag set. */ - if (!(obj_desc->flags & FSL_MC_OBJ_FLAG_NO_MEM_SHAREABILITY)) - arch_setup_dma_ops(&mc_dev->dev, 0, 0, NULL, true); - /* * The device-specific probe callback will get invoked by device_add() */ diff --git a/drivers/bus/ts-nbus.c b/drivers/bus/ts-nbus.c index 073fd9011154..9989ce904a37 100644 --- a/drivers/bus/ts-nbus.c +++ b/drivers/bus/ts-nbus.c @@ -110,13 +110,12 @@ static void ts_nbus_set_direction(struct ts_nbus *ts_nbus, int direction) */ static void ts_nbus_reset_bus(struct ts_nbus *ts_nbus) { - int i; - int values[8]; + DECLARE_BITMAP(values, 8); - for (i = 0; i < 8; i++) - values[i] = 0; + values[0] = 0; - gpiod_set_array_value_cansleep(8, ts_nbus->data->desc, values); + gpiod_set_array_value_cansleep(8, ts_nbus->data->desc, + ts_nbus->data->info, values); gpiod_set_value_cansleep(ts_nbus->csn, 0); gpiod_set_value_cansleep(ts_nbus->strobe, 0); gpiod_set_value_cansleep(ts_nbus->ale, 0); @@ -157,16 +156,11 @@ static int ts_nbus_read_byte(struct ts_nbus *ts_nbus, u8 *val) static void ts_nbus_write_byte(struct ts_nbus *ts_nbus, u8 byte) { struct gpio_descs *gpios = ts_nbus->data; - int i; - int values[8]; + DECLARE_BITMAP(values, 8); - for (i = 0; i < 8; i++) - if (byte & BIT(i)) - values[i] = 1; - else - values[i] = 0; + values[0] = byte; - gpiod_set_array_value_cansleep(8, gpios->desc, values); + gpiod_set_array_value_cansleep(8, gpios->desc, gpios->info, values); } /* |