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mfd: at91-usart: Do not use compatible to register child devices 

There are no separate serial/SPI devices under the at91-usart MFD, but
actually the MFD is used as a serial or a SPI device. There are no DT
sub-nodes for the MFD children, so we should use platform device API to
register the drivers.

Suggested-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
zero-sugar-mainline-defconfig
Codrin Ciubotariu 2020-11-03 11:32:46 +02:00 committed by Lee Jones
parent a233d4ebfc
commit 4c5840b909
1 changed files with 4 additions and 8 deletions
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12
drivers/mfd/at91-usart.c
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@ -15,15 +15,11 @@
#include <linux/of.h>
#include <linux/property.h>
static const struct mfd_cell at91_usart_spi_subdev = {
.name = "at91_usart_spi",
.of_compatible = "microchip,at91sam9g45-usart-spi",
};
static const struct mfd_cell at91_usart_spi_subdev =
MFD_CELL_NAME("at91_usart_spi");
static const struct mfd_cell at91_usart_serial_subdev = {
.name = "atmel_usart_serial",
.of_compatible = "atmel,at91rm9200-usart-serial",
};
static const struct mfd_cell at91_usart_serial_subdev =
MFD_CELL_NAME("atmel_usart_serial");
static int at91_usart_mode_probe(struct platform_device *pdev)
{