26 static inline u32 rb4xx_read(struct rb4xx_spi *rbspi, u32 reg)  in rb4xx_read()  argument
28 	return __raw_readl(rbspi->base + reg);  in rb4xx_read()
31 static inline void rb4xx_write(struct rb4xx_spi *rbspi, u32 reg, u32 value)  in rb4xx_write()  argument
33 	__raw_writel(value, rbspi->base + reg);  in rb4xx_write()
36 static inline void do_spi_clk(struct rb4xx_spi *rbspi, u32 spi_ioc, int value)  in do_spi_clk()  argument
44 	rb4xx_write(rbspi, AR71XX_SPI_REG_IOC, regval);  in do_spi_clk()
45 	rb4xx_write(rbspi, AR71XX_SPI_REG_IOC, regval | AR71XX_SPI_IOC_CLK);  in do_spi_clk()
48 static void do_spi_byte(struct rb4xx_spi *rbspi, u32 spi_ioc, u8 byte)  in do_spi_byte()  argument
53 		do_spi_clk(rbspi, spi_ioc, byte >> i);  in do_spi_byte()
57 static inline void do_spi_clk_two(struct rb4xx_spi *rbspi, u32 spi_ioc,  in do_spi_clk_two()  argument
68 	rb4xx_write(rbspi, AR71XX_SPI_REG_IOC, regval);  in do_spi_clk_two()
69 	rb4xx_write(rbspi, AR71XX_SPI_REG_IOC, regval | AR71XX_SPI_IOC_CLK);  in do_spi_clk_two()
73 static void do_spi_byte_two(struct rb4xx_spi *rbspi, u32 spi_ioc, u8 byte)  in do_spi_byte_two()  argument
75 	do_spi_clk_two(rbspi, spi_ioc, byte >> 6);  in do_spi_byte_two()
76 	do_spi_clk_two(rbspi, spi_ioc, byte >> 4);  in do_spi_byte_two()
77 	do_spi_clk_two(rbspi, spi_ioc, byte >> 2);  in do_spi_byte_two()
78 	do_spi_clk_two(rbspi, spi_ioc, byte >> 0);  in do_spi_byte_two()
83 	struct rb4xx_spi *rbspi = spi_controller_get_devdata(spi->controller);  in rb4xx_set_cs()  local
91 		rb4xx_write(rbspi, AR71XX_SPI_REG_IOC,  in rb4xx_set_cs()
98 	struct rb4xx_spi *rbspi = spi_controller_get_devdata(host);  in rb4xx_transfer_one()  local
122 			do_spi_byte_two(rbspi, spi_ioc, tx_buf[i]);  in rb4xx_transfer_one()
124 			do_spi_byte(rbspi, spi_ioc, tx_buf[i]);  in rb4xx_transfer_one()
127 		rx_buf[i] = rb4xx_read(rbspi, AR71XX_SPI_REG_RDS);  in rb4xx_transfer_one()
138 	struct rb4xx_spi *rbspi;  in rb4xx_spi_probe()  local
146 	host = devm_spi_alloc_host(&pdev->dev, sizeof(*rbspi));  in rb4xx_spi_probe()
163 	rbspi = spi_controller_get_devdata(host);  in rb4xx_spi_probe()
164 	rbspi->base = spi_base;  in rb4xx_spi_probe()
165 	rbspi->clk = ahb_clk;  in rb4xx_spi_probe()
166 	platform_set_drvdata(pdev, rbspi);  in rb4xx_spi_probe()
179 	rb4xx_write(rbspi, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);  in rb4xx_spi_probe()
186 	struct rb4xx_spi *rbspi = platform_get_drvdata(pdev);  in rb4xx_spi_remove()  local
188 	clk_disable_unprepare(rbspi->clk);  in rb4xx_spi_remove()