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hw/arm/fsl-imx*: Don't create "null" chardevs for serial devices 

Following commit 12051d82f0, 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[].

(fsl-imx7.c was already written this way.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20180420145249.32435-3-peter.maydell@linaro.org
master
Peter Maydell 2018-04-20 15:52:38 +01:00
parent 47c4f85a0c
commit c221287f8f
3 changed files with 3 additions and 34 deletions
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12
hw/arm/fsl-imx25.c
View File

@ -118,17 +118,7 @@ static void fsl_imx25_realize(DeviceState *dev, Error **errp)
};
if (i < MAX_SERIAL_PORTS) {
Chardev *chr;
chr = serial_hds[i];
if (!chr) {
char label[20];
snprintf(label, sizeof(label), "imx31.uart%d", i);
chr = qemu_chr_new(label, "null");
}
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr);
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hds[i]);
}
object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);

12
hw/arm/fsl-imx31.c
View File

@ -107,17 +107,7 @@ static void fsl_imx31_realize(DeviceState *dev, Error **errp)
};
if (i < MAX_SERIAL_PORTS) {
Chardev *chr;
chr = serial_hds[i];
if (!chr) {
char label[20];
snprintf(label, sizeof(label), "imx31.uart%d", i);
chr = qemu_chr_new(label, "null");
}
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr);
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hds[i]);
}
object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);

13
hw/arm/fsl-imx6.c
View File

@ -189,18 +189,7 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
};
if (i < MAX_SERIAL_PORTS) {
Chardev *chr;
chr = serial_hds[i];
if (!chr) {
char *label = g_strdup_printf("imx6.uart%d", i + 1);
chr = qemu_chr_new(label, "null");
g_free(label);
serial_hds[i] = chr;
}
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr);
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hds[i]);
}
object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);