From a4f740cf33f7f6c164bbde3c0cdbcc77b0c4997c Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Sat, 30 Oct 2010 11:49:09 -0400 Subject: of/flattree: Add of_flat_dt_match() helper function This patch adds of_flat_dt_match() which tests a node for compatibility with a list of values and converts the relevant powerpc platform code to use it. This approach simplifies the board support code a bit. Signed-off-by: Grant Likely Reviewed-by: Stephen Neuendorffer --- arch/powerpc/platforms/40x/ppc40x_simple.c | 13 ++++--------- arch/powerpc/platforms/512x/mpc5121_generic.c | 13 ++----------- arch/powerpc/platforms/52xx/lite5200.c | 16 +++++++--------- arch/powerpc/platforms/52xx/media5200.c | 13 ++----------- arch/powerpc/platforms/52xx/mpc5200_simple.c | 13 ++----------- arch/powerpc/platforms/83xx/mpc830x_rdb.c | 13 ++++++++----- arch/powerpc/platforms/83xx/mpc831x_rdb.c | 11 +++++++---- arch/powerpc/platforms/83xx/mpc837x_rdb.c | 15 +++++++++------ arch/powerpc/platforms/85xx/tqm85xx.c | 20 ++++++++++---------- 9 files changed, 51 insertions(+), 76 deletions(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c index 546bbc229d19..2521d93ef136 100644 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -50,7 +50,7 @@ machine_device_initcall(ppc40x_simple, ppc40x_device_probe); * Again, if your board needs to do things differently then create a * board.c file for it rather than adding it to this list. */ -static char *board[] __initdata = { +static const char *board[] __initdata = { "amcc,acadia", "amcc,haleakala", "amcc,kilauea", @@ -60,14 +60,9 @@ static char *board[] __initdata = { static int __init ppc40x_probe(void) { - unsigned long root = of_get_flat_dt_root(); - int i = 0; - - for (i = 0; i < ARRAY_SIZE(board); i++) { - if (of_flat_dt_is_compatible(root, board[i])) { - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); - return 1; - } + if (of_flat_dt_match(of_get_flat_dt_root(), board)) { + ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + return 1; } return 0; diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc5121_generic.c index e487eb06ec6b..926731f1ff01 100644 --- a/arch/powerpc/platforms/512x/mpc5121_generic.c +++ b/arch/powerpc/platforms/512x/mpc5121_generic.c @@ -26,7 +26,7 @@ /* * list of supported boards */ -static char *board[] __initdata = { +static const char *board[] __initdata = { "prt,prtlvt", NULL }; @@ -36,16 +36,7 @@ static char *board[] __initdata = { */ static int __init mpc5121_generic_probe(void) { - unsigned long node = of_get_flat_dt_root(); - int i = 0; - - while (board[i]) { - if (of_flat_dt_is_compatible(node, board[i])) - break; - i++; - } - - return board[i] != NULL; + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(mpc5121_generic) { diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index de55bc0584b5..01ffa64d2aa7 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -172,20 +172,18 @@ static void __init lite5200_setup_arch(void) mpc52xx_setup_pci(); } +static const char *board[] __initdata = { + "fsl,lite5200", + "fsl,lite5200b", + NULL, +}; + /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init lite5200_probe(void) { - unsigned long node = of_get_flat_dt_root(); - const char *model = of_get_flat_dt_prop(node, "model", NULL); - - if (!of_flat_dt_is_compatible(node, "fsl,lite5200") && - !of_flat_dt_is_compatible(node, "fsl,lite5200b")) - return 0; - pr_debug("%s board found\n", model ? model : "unknown"); - - return 1; + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(lite5200) { diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 0bac3a3dbecf..2c7780cb68e5 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -239,7 +239,7 @@ static void __init media5200_setup_arch(void) } /* list of the supported boards */ -static char *board[] __initdata = { +static const char *board[] __initdata = { "fsl,media5200", NULL }; @@ -249,16 +249,7 @@ static char *board[] __initdata = { */ static int __init media5200_probe(void) { - unsigned long node = of_get_flat_dt_root(); - int i = 0; - - while (board[i]) { - if (of_flat_dt_is_compatible(node, board[i])) - break; - i++; - } - - return (board[i] != NULL); + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(media5200_platform) { diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c index d45be5b5ad49..e36d6e232ae6 100644 --- a/arch/powerpc/platforms/52xx/mpc5200_simple.c +++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c @@ -49,7 +49,7 @@ static void __init mpc5200_simple_setup_arch(void) } /* list of the supported boards */ -static char *board[] __initdata = { +static const char *board[] __initdata = { "intercontrol,digsy-mtc", "manroland,mucmc52", "manroland,uc101", @@ -66,16 +66,7 @@ static char *board[] __initdata = { */ static int __init mpc5200_simple_probe(void) { - unsigned long node = of_get_flat_dt_root(); - int i = 0; - - while (board[i]) { - if (of_flat_dt_is_compatible(node, board[i])) - break; - i++; - } - - return (board[i] != NULL); + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(mpc5200_simple_platform) { diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c index 846831d495b5..661d354e4ff2 100644 --- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c @@ -57,16 +57,19 @@ static void __init mpc830x_rdb_init_IRQ(void) ipic_set_default_priority(); } +struct const char *board[] __initdata = { + "MPC8308RDB", + "fsl,mpc8308rdb", + "denx,mpc8308_p1m", + NULL +} + /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc830x_rdb_probe(void) { - unsigned long root = of_get_flat_dt_root(); - - return of_flat_dt_is_compatible(root, "MPC8308RDB") || - of_flat_dt_is_compatible(root, "fsl,mpc8308rdb") || - of_flat_dt_is_compatible(root, "denx,mpc8308_p1m"); + return of_flat_dt_match(of_get_flat_dt_root(), board); } static struct of_device_id __initdata of_bus_ids[] = { diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c index ae525e4745d2..b54cd736a895 100644 --- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c @@ -60,15 +60,18 @@ static void __init mpc831x_rdb_init_IRQ(void) ipic_set_default_priority(); } +struct const char *board[] __initdata = { + "MPC8313ERDB", + "fsl,mpc8315erdb", + NULL +} + /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc831x_rdb_probe(void) { - unsigned long root = of_get_flat_dt_root(); - - return of_flat_dt_is_compatible(root, "MPC8313ERDB") || - of_flat_dt_is_compatible(root, "fsl,mpc8315erdb"); + return of_flat_dt_match(of_get_flat_dt_root(), board); } static struct of_device_id __initdata of_bus_ids[] = { diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c index 910caa6b5810..7bafbf2ec0f9 100644 --- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c @@ -101,17 +101,20 @@ static void __init mpc837x_rdb_init_IRQ(void) ipic_set_default_priority(); } +static const char *board[] __initdata = { + "fsl,mpc8377rdb", + "fsl,mpc8378rdb", + "fsl,mpc8379rdb", + "fsl,mpc8377wlan", + NULL +}; + /* * Called very early, MMU is off, device-tree isn't unflattened */ static int __init mpc837x_rdb_probe(void) { - unsigned long root = of_get_flat_dt_root(); - - return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") || - of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") || - of_flat_dt_is_compatible(root, "fsl,mpc8379rdb") || - of_flat_dt_is_compatible(root, "fsl,mpc8377wlan"); + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(mpc837x_rdb) { diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c index 8f29bbce5360..5e847d0b47c8 100644 --- a/arch/powerpc/platforms/85xx/tqm85xx.c +++ b/arch/powerpc/platforms/85xx/tqm85xx.c @@ -186,21 +186,21 @@ static int __init declare_of_platform_devices(void) } machine_device_initcall(tqm85xx, declare_of_platform_devices); +static const char *board[] __initdata = { + "tqc,tqm8540", + "tqc,tqm8541", + "tqc,tqm8548", + "tqc,tqm8555", + "tqc,tqm8560", + NULL +}; + /* * Called very early, device-tree isn't unflattened */ static int __init tqm85xx_probe(void) { - unsigned long root = of_get_flat_dt_root(); - - if ((of_flat_dt_is_compatible(root, "tqc,tqm8540")) || - (of_flat_dt_is_compatible(root, "tqc,tqm8541")) || - (of_flat_dt_is_compatible(root, "tqc,tqm8548")) || - (of_flat_dt_is_compatible(root, "tqc,tqm8555")) || - (of_flat_dt_is_compatible(root, "tqc,tqm8560"))) - return 1; - - return 0; + return of_flat_dt_match(of_get_flat_dt_root(), board); } define_machine(tqm85xx) { -- cgit v1.2.3