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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-14 22:24:51 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-14 22:24:51 +0100 |
commit | 7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (patch) | |
tree | 0248fb8f7a3e445cc3c744252abeecabb9205c05 /drivers/serial | |
parent | b6825d2df55aa7d7341c715b577b73a6a03dc944 (diff) | |
parent | d5120ae72a066b18f98e0c45ce73262f58030851 (diff) | |
download | kernel_samsung_smdk4412-7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4.zip kernel_samsung_smdk4412-7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4.tar.gz kernel_samsung_smdk4412-7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4.tar.bz2 |
Merge branch 's3c-move' into devel
Conflicts:
arch/arm/mach-versatile/core.c
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/atmel_serial.c | 32 | ||||
-rw-r--r-- | drivers/serial/s3c2400.c | 2 | ||||
-rw-r--r-- | drivers/serial/s3c2410.c | 2 | ||||
-rw-r--r-- | drivers/serial/s3c2412.c | 2 | ||||
-rw-r--r-- | drivers/serial/s3c2440.c | 2 | ||||
-rw-r--r-- | drivers/serial/samsung.c | 2 |
6 files changed, 24 insertions, 18 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 3a6da80..61fb8b6 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -131,7 +131,8 @@ struct atmel_uart_char { struct atmel_uart_port { struct uart_port uart; /* uart */ struct clk *clk; /* uart clock */ - unsigned short suspended; /* is port suspended? */ + int may_wakeup; /* cached value of device_may_wakeup for times we need to disable it */ + u32 backup_imr; /* IMR saved during suspend */ int break_active; /* break being received */ short use_dma_rx; /* enable PDC receiver */ @@ -984,8 +985,15 @@ static void atmel_serial_pm(struct uart_port *port, unsigned int state, * This is called on uart_open() or a resume event. */ clk_enable(atmel_port->clk); + + /* re-enable interrupts if we disabled some on suspend */ + UART_PUT_IER(port, atmel_port->backup_imr); break; case 3: + /* Back up the interrupt mask and disable all interrupts */ + atmel_port->backup_imr = UART_GET_IMR(port); + UART_PUT_IDR(port, -1); + /* * Disable the peripheral clock for this serial port. * This is called on uart_close() or a suspend event. @@ -1475,13 +1483,12 @@ static int atmel_serial_suspend(struct platform_device *pdev, cpu_relax(); } - if (device_may_wakeup(&pdev->dev) - && !atmel_serial_clk_will_stop()) - enable_irq_wake(port->irq); - else { - uart_suspend_port(&atmel_uart, port); - atmel_port->suspended = 1; - } + /* we can not wake up if we're running on slow clock */ + atmel_port->may_wakeup = device_may_wakeup(&pdev->dev); + if (atmel_serial_clk_will_stop()) + device_set_wakeup_enable(&pdev->dev, 0); + + uart_suspend_port(&atmel_uart, port); return 0; } @@ -1491,11 +1498,8 @@ static int atmel_serial_resume(struct platform_device *pdev) struct uart_port *port = platform_get_drvdata(pdev); struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); - if (atmel_port->suspended) { - uart_resume_port(&atmel_uart, port); - atmel_port->suspended = 0; - } else - disable_irq_wake(port->irq); + uart_resume_port(&atmel_uart, port); + device_set_wakeup_enable(&pdev->dev, atmel_port->may_wakeup); return 0; } @@ -1513,6 +1517,8 @@ static int __devinit atmel_serial_probe(struct platform_device *pdev) BUILD_BUG_ON(!is_power_of_2(ATMEL_SERIAL_RINGSIZE)); port = &atmel_ports[pdev->id]; + port->backup_imr = 0; + atmel_init_port(port, pdev); if (!atmel_use_dma_rx(&port->uart)) { diff --git a/drivers/serial/s3c2400.c b/drivers/serial/s3c2400.c index c8b4266..4873f29 100644 --- a/drivers/serial/s3c2400.c +++ b/drivers/serial/s3c2400.c @@ -19,7 +19,7 @@ #include <mach/hardware.h> -#include <asm/plat-s3c/regs-serial.h> +#include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include "samsung.h" diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 40a2531..87c182e 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -21,7 +21,7 @@ #include <asm/irq.h> #include <mach/hardware.h> -#include <asm/plat-s3c/regs-serial.h> +#include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include "samsung.h" diff --git a/drivers/serial/s3c2412.c b/drivers/serial/s3c2412.c index d017031..fd017b3 100644 --- a/drivers/serial/s3c2412.c +++ b/drivers/serial/s3c2412.c @@ -21,7 +21,7 @@ #include <asm/irq.h> #include <mach/hardware.h> -#include <asm/plat-s3c/regs-serial.h> +#include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include "samsung.h" diff --git a/drivers/serial/s3c2440.c b/drivers/serial/s3c2440.c index d4a2b17..317d239 100644 --- a/drivers/serial/s3c2440.c +++ b/drivers/serial/s3c2440.c @@ -21,7 +21,7 @@ #include <asm/irq.h> #include <mach/hardware.h> -#include <asm/plat-s3c/regs-serial.h> +#include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include "samsung.h" diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c index 5a88b3f9..1e219d3 100644 --- a/drivers/serial/samsung.c +++ b/drivers/serial/samsung.c @@ -47,7 +47,7 @@ #include <mach/hardware.h> -#include <asm/plat-s3c/regs-serial.h> +#include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include "samsung.h" |