On Thu, Sep 08, 2005 at 09:42:12PM +0200, Kars de Jong wrote:
> However, that doesn't seem to be appropriate for the APCI devices which
> are on the motherboard. So I'll use the platform driver for those. Do
> you have any suggestion for the id value I should use in my platform
> device? I looked in the existing drivers and ids -1 and 1-5 are taken,
> any reason id 0 was not used?
You might be interested in this patch which sorts out the numeric
ID allocation.
diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c
--- a/arch/arm/mach-clps7500/core.c
+++ b/arch/arm/mach-clps7500/core.c
@@ -354,7 +354,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -219,7 +219,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-epxa10db/arch.c b/arch/arm/mach-epxa10db/arch.c
--- a/arch/arm/mach-epxa10db/arch.c
+++ b/arch/arm/mach-epxa10db/arch.c
@@ -52,7 +52,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c
--- a/arch/arm/mach-footbridge/isa.c
+++ b/arch/arm/mach-footbridge/isa.c
@@ -34,7 +34,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c
--- a/arch/arm/mach-h720x/cpu-h7202.c
+++ b/arch/arm/mach-h720x/cpu-h7202.c
@@ -90,7 +90,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -174,7 +174,7 @@ static struct resource ixp2000_uart_reso
static struct platform_device ixp2000_serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = ixp2000_serial_port,
},
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -66,7 +66,7 @@ static struct plat_serial8250_port coyot
static struct platform_device coyote_uart = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = coyote_uart_data,
},
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -93,7 +93,7 @@ static struct plat_serial8250_port gtwx5
static struct platform_device gtwx5715_uart_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = gtwx5715_uart_platform_data,
},
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -96,7 +96,7 @@ static struct plat_serial8250_port ixdp4
static struct platform_device ixdp425_uart = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev.platform_data = ixdp425_uart_data,
.num_resources = 2,
.resource = ixdp425_uart_resources
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -74,7 +74,7 @@ static struct plat_serial8250_port voice
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 1,
+ .id = PLAT8250_DEV_PLATFORM1,
.dev = {
.platform_data = voiceblue_ports,
},
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -94,7 +94,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -140,7 +140,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -381,7 +381,7 @@ static struct plat_serial8250_port bast_
static struct platform_device bast_sio = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = &bast_sio_data,
},
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -221,7 +221,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -41,7 +41,7 @@ static struct plat_serial8250_port seria
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
diff --git a/arch/ppc/syslib/mpc10x_common.c b/arch/ppc/syslib/mpc10x_common.c
--- a/arch/ppc/syslib/mpc10x_common.c
+++ b/arch/ppc/syslib/mpc10x_common.c
@@ -140,12 +140,12 @@ struct platform_device ppc_sys_platform_
},
[MPC10X_UART0] = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev.platform_data = serial_plat_uart0,
},
[MPC10X_UART1] = {
.name = "serial8250",
- .id = 1,
+ .id = PLAT8250_DEV_PLATFORM1,
.dev.platform_data = serial_plat_uart1,
},
diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c
--- a/arch/ppc/syslib/mpc83xx_devices.c
+++ b/arch/ppc/syslib/mpc83xx_devices.c
@@ -165,7 +165,7 @@ struct platform_device ppc_sys_platform_
},
[MPC83xx_DUART] = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev.platform_data = serial_platform_data,
},
[MPC83xx_SEC2] = {
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -282,7 +282,7 @@ struct platform_device ppc_sys_platform_
},
[MPC85xx_DUART] = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev.platform_data = serial_platform_data,
},
[MPC85xx_PERFMON] = {
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -1283,7 +1283,7 @@ void __init generic_find_legacy_serial_p
static struct platform_device serial_device = {
.name = "serial8250",
- .id = 0,
+ .id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_ports,
},
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2536,7 +2536,7 @@ static int __init serial8250_init(void)
goto out;
serial8250_isa_devs = platform_device_register_simple("serial8250",
- -1, NULL, 0);
+ PLAT8250_DEV_LEGACY, NULL, 0);
if (IS_ERR(serial8250_isa_devs)) {
ret = PTR_ERR(serial8250_isa_devs);
goto unreg;
diff --git a/drivers/serial/8250_accent.c b/drivers/serial/8250_accent.c
--- a/drivers/serial/8250_accent.c
+++ b/drivers/serial/8250_accent.c
@@ -29,7 +29,7 @@ static struct plat_serial8250_port accen
static struct platform_device accent_device = {
.name = "serial8250",
- .id = 2,
+ .id = PLAT8250_DEV_ACCENT,
.dev = {
.platform_data = accent_data,
},
diff --git a/drivers/serial/8250_boca.c b/drivers/serial/8250_boca.c
--- a/drivers/serial/8250_boca.c
+++ b/drivers/serial/8250_boca.c
@@ -43,7 +43,7 @@ static struct plat_serial8250_port boca_
static struct platform_device boca_device = {
.name = "serial8250",
- .id = 3,
+ .id = PLAT8250_DEV_BOCA,
.dev = {
.platform_data = boca_data,
},
diff --git a/drivers/serial/8250_fourport.c b/drivers/serial/8250_fourport.c
--- a/drivers/serial/8250_fourport.c
+++ b/drivers/serial/8250_fourport.c
@@ -35,7 +35,7 @@ static struct plat_serial8250_port fourp
static struct platform_device fourport_device = {
.name = "serial8250",
- .id = 1,
+ .id = PLAT8250_DEV_FOURPORT,
.dev = {
.platform_data = fourport_data,
},
diff --git a/drivers/serial/8250_hub6.c b/drivers/serial/8250_hub6.c
--- a/drivers/serial/8250_hub6.c
+++ b/drivers/serial/8250_hub6.c
@@ -40,7 +40,7 @@ static struct plat_serial8250_port hub6_
static struct platform_device hub6_device = {
.name = "serial8250",
- .id = 4,
+ .id = PLAT8250_DEV_HUB6,
.dev = {
.platform_data = hub6_data,
},
diff --git a/drivers/serial/8250_mca.c b/drivers/serial/8250_mca.c
--- a/drivers/serial/8250_mca.c
+++ b/drivers/serial/8250_mca.c
@@ -44,7 +44,7 @@ static struct plat_serial8250_port mca_d
static struct platform_device mca_device = {
.name = "serial8250",
- .id = 5,
+ .id = PLAT8250_DEV_MCA,
.dev = {
.platform_data = mca_data,
},
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -30,6 +30,21 @@ struct plat_serial8250_port {
};
/*
+ * Allocate 8250 platform device IDs. Nothing is implied by
+ * the numbering here, except for the legacy entry being -1.
+ */
+enum {
+ PLAT8250_DEV_LEGACY = -1,
+ PLAT8250_DEV_PLATFORM,
+ PLAT8250_DEV_PLATFORM1,
+ PLAT8250_DEV_FOURPORT,
+ PLAT8250_DEV_ACCENT,
+ PLAT8250_DEV_BOCA,
+ PLAT8250_DEV_HUB6,
+ PLAT8250_DEV_MCA,
+};
+
+/*
* This should be used by drivers which want to register
* their own 8250 ports without registering their own
* platform device. Using these will make your driver
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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