diff mbox series

[04/13] hw/mips/mips_malta: Don't create "null" chardevs for serial devices

Message ID 20180420145249.32435-5-peter.maydell@linaro.org
State Accepted
Commit 6afd0e297ff7f16caf879251adcce7b1d07acd05
Headers show
Series Drop compile time limit on number of serial ports | expand

Commit Message

Peter Maydell April 20, 2018, 2:52 p.m. UTC
Following commit 12051d82f004024, UART devices should handle
being passed a NULL pointer chardev, so we don't need to
create "null" backends in board code. Remove the code that
does this and updates serial_hds[].

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

---
 hw/mips/mips_malta.c | 5 -----
 1 file changed, 5 deletions(-)

-- 
2.17.0

Comments

Philippe Mathieu-Daudé April 20, 2018, 4:30 p.m. UTC | #1
On 04/20/2018 11:52 AM, Peter Maydell wrote:
> Following commit 12051d82f004024, UART devices should handle

> being passed a NULL pointer chardev, so we don't need to

> create "null" backends in board code. Remove the code that

> does this and updates serial_hds[].

> 

> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>


Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>


> ---

>  hw/mips/mips_malta.c | 5 -----

>  1 file changed, 5 deletions(-)

> 

> diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c

> index f6513a4fd5..49fe7a0a72 100644

> --- a/hw/mips/mips_malta.c

> +++ b/hw/mips/mips_malta.c

> @@ -1056,11 +1056,6 @@ void mips_malta_init(MachineState *machine)

>  

>      /* FPGA */

>  

> -    /* Make sure the second serial port is associated with a device. */

> -    if (!serial_hds[2]) {

> -        serial_hds[2] = qemu_chr_new("fpga-uart", "null");

> -    }

> -

>      /* The CBUS UART is attached to the MIPS CPU INT2 pin, ie interrupt 4 */

>      malta_fpga_init(system_memory, FPGA_ADDRESS, cbus_irq, serial_hds[2]);

>  

>
Thomas Huth April 25, 2018, 2:38 p.m. UTC | #2
On 20.04.2018 16:52, Peter Maydell wrote:
> Following commit 12051d82f004024, UART devices should handle

> being passed a NULL pointer chardev, so we don't need to

> create "null" backends in board code. Remove the code that

> does this and updates serial_hds[].

> 

> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

> ---

>  hw/mips/mips_malta.c | 5 -----

>  1 file changed, 5 deletions(-)

> 

> diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c

> index f6513a4fd5..49fe7a0a72 100644

> --- a/hw/mips/mips_malta.c

> +++ b/hw/mips/mips_malta.c

> @@ -1056,11 +1056,6 @@ void mips_malta_init(MachineState *machine)

>  

>      /* FPGA */

>  

> -    /* Make sure the second serial port is associated with a device. */

> -    if (!serial_hds[2]) {

> -        serial_hds[2] = qemu_chr_new("fpga-uart", "null");

> -    }

> -

>      /* The CBUS UART is attached to the MIPS CPU INT2 pin, ie interrupt 4 */

>      malta_fpga_init(system_memory, FPGA_ADDRESS, cbus_irq, serial_hds[2]);


Reviewed-by: Thomas Huth <thuth@redhat.com>
diff mbox series

Patch

diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index f6513a4fd5..49fe7a0a72 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -1056,11 +1056,6 @@  void mips_malta_init(MachineState *machine)
 
     /* FPGA */
 
-    /* Make sure the second serial port is associated with a device. */
-    if (!serial_hds[2]) {
-        serial_hds[2] = qemu_chr_new("fpga-uart", "null");
-    }
-
     /* The CBUS UART is attached to the MIPS CPU INT2 pin, ie interrupt 4 */
     malta_fpga_init(system_memory, FPGA_ADDRESS, cbus_irq, serial_hds[2]);