3.18-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 31ec77aca72ee5920ed3ec3d047734dc0bc43342 ]
This patch adds new s3c24xx_serial_drv_data structure for Exynos5433 SoC because Exynos5433 has different fifo size from existing Exynos4 SoC.
Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Jiri Slaby jslaby@suse.cz Cc: linux-serial@vger.kernel.org Signed-off-by: Chanwoo Choi cw00.choi@samsung.com Acked-by: Inki Dae inki.dae@samsung.com Acked-by: Geunsik Lim geunsik.lim@samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/samsung.c | 56 +++++++++++++++++++++++------------- 1 file changed, 36 insertions(+), 20 deletions(-)
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index ba59a76edc8b..957992ceba0a 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1785,32 +1785,43 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = { #endif
#if defined(CONFIG_ARCH_EXYNOS) +#define EXYNOS_COMMON_SERIAL_DRV_DATA \ + .info = &(struct s3c24xx_uart_info) { \ + .name = "Samsung Exynos UART", \ + .type = PORT_S3C6400, \ + .has_divslot = 1, \ + .rx_fifomask = S5PV210_UFSTAT_RXMASK, \ + .rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, \ + .rx_fifofull = S5PV210_UFSTAT_RXFULL, \ + .tx_fifofull = S5PV210_UFSTAT_TXFULL, \ + .tx_fifomask = S5PV210_UFSTAT_TXMASK, \ + .tx_fifoshift = S5PV210_UFSTAT_TXSHIFT, \ + .def_clk_sel = S3C2410_UCON_CLKSEL0, \ + .num_clks = 1, \ + .clksel_mask = 0, \ + .clksel_shift = 0, \ + }, \ + .def_cfg = &(struct s3c2410_uartcfg) { \ + .ucon = S5PV210_UCON_DEFAULT, \ + .ufcon = S5PV210_UFCON_DEFAULT, \ + .has_fracval = 1, \ + } \ + static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = { - .info = &(struct s3c24xx_uart_info) { - .name = "Samsung Exynos4 UART", - .type = PORT_S3C6400, - .has_divslot = 1, - .rx_fifomask = S5PV210_UFSTAT_RXMASK, - .rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, - .rx_fifofull = S5PV210_UFSTAT_RXFULL, - .tx_fifofull = S5PV210_UFSTAT_TXFULL, - .tx_fifomask = S5PV210_UFSTAT_TXMASK, - .tx_fifoshift = S5PV210_UFSTAT_TXSHIFT, - .def_clk_sel = S3C2410_UCON_CLKSEL0, - .num_clks = 1, - .clksel_mask = 0, - .clksel_shift = 0, - }, - .def_cfg = &(struct s3c2410_uartcfg) { - .ucon = S5PV210_UCON_DEFAULT, - .ufcon = S5PV210_UFCON_DEFAULT, - .has_fracval = 1, - }, + EXYNOS_COMMON_SERIAL_DRV_DATA, .fifosize = { 256, 64, 16, 16 }, }; + +static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = { + EXYNOS_COMMON_SERIAL_DRV_DATA, + .fifosize = { 64, 256, 16, 256 }, +}; + #define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos4210_serial_drv_data) +#define EXYNOS5433_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos5433_serial_drv_data) #else #define EXYNOS4210_SERIAL_DRV_DATA (kernel_ulong_t)NULL +#define EXYNOS5433_SERIAL_DRV_DATA (kernel_ulong_t)NULL #endif
static struct platform_device_id s3c24xx_serial_driver_ids[] = { @@ -1832,6 +1843,9 @@ static struct platform_device_id s3c24xx_serial_driver_ids[] = { }, { .name = "exynos4210-uart", .driver_data = EXYNOS4210_SERIAL_DRV_DATA, + }, { + .name = "exynos5433-uart", + .driver_data = EXYNOS5433_SERIAL_DRV_DATA, }, { }, }; @@ -1851,6 +1865,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = { .data = (void *)S5PV210_SERIAL_DRV_DATA }, { .compatible = "samsung,exynos4210-uart", .data = (void *)EXYNOS4210_SERIAL_DRV_DATA }, + { .compatible = "samsung,exynos5433-uart", + .data = (void *)EXYNOS5433_SERIAL_DRV_DATA }, {}, }; MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);