diff options
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
| -rw-r--r-- | arch/arm/mach-omap2/serial.c | 41 |
1 files changed, 3 insertions, 38 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8396b5b7e912..3a674de6cb63 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -63,7 +63,6 @@ struct omap_uart_state { static LIST_HEAD(uart_list); static u8 num_uarts; static u8 console_uart_id = -1; -static u8 no_console_suspend; static u8 uart_debug; #define DEFAULT_RXDMA_POLLRATE 1 /* RX DMA polling rate (us) */ @@ -95,38 +94,9 @@ static void omap_uart_enable_wakeup(struct device *dev, bool enable) omap_hwmod_disable_wakeup(od->hwmods[0]); } -/* - * Errata i291: [UART]:Cannot Acknowledge Idle Requests - * in Smartidle Mode When Configured for DMA Operations. - * WA: configure uart in force idle mode. - */ -static void omap_uart_set_noidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - - omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO); -} - -static void omap_uart_set_smartidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - u8 idlemode; - - if (od->hwmods[0]->class->sysc->idlemodes & SIDLE_SMART_WKUP) - idlemode = HWMOD_IDLEMODE_SMART_WKUP; - else - idlemode = HWMOD_IDLEMODE_SMART; - - omap_hwmod_set_slave_idlemode(od->hwmods[0], idlemode); -} - #else static void omap_uart_enable_wakeup(struct device *dev, bool enable) {} -static void omap_uart_set_noidle(struct device *dev) {} -static void omap_uart_set_smartidle(struct device *dev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX @@ -205,6 +175,9 @@ static char *cmdline_find_option(char *str) static int __init omap_serial_early_init(void) { + if (of_have_populated_dt()) + return -ENODEV; + do { char oh_name[MAX_UART_HWMOD_NAME_LEN]; struct omap_hwmod *oh; @@ -236,9 +209,6 @@ static int __init omap_serial_early_init(void) uart_name, uart->num); } - if (cmdline_find_option("no_console_suspend")) - no_console_suspend = true; - /* * omap-uart can be used for earlyprintk logs * So if omap-uart is used as console then prevent @@ -299,8 +269,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, omap_up.uartclk = OMAP24XX_BASE_BAUD * 16; omap_up.flags = UPF_BOOT_AUTOCONF; omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count; - omap_up.set_forceidle = omap_uart_set_smartidle; - omap_up.set_noidle = omap_uart_set_noidle; omap_up.enable_wakeup = omap_uart_enable_wakeup; omap_up.dma_rx_buf_size = info->dma_rx_buf_size; omap_up.dma_rx_timeout = info->dma_rx_timeout; @@ -323,9 +291,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, return; } - if ((console_uart_id == bdata->id) && no_console_suspend) - omap_device_disable_idle_on_suspend(pdev); - oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); if (console_uart_id == bdata->id) { |