From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Likely Subject: [PATCH 02/11] of/flattree: Merge earlyinit_dt_scan_root() Date: Tue, 24 Nov 2009 01:18:08 -0700 Message-ID: <20091124081800.6216.27311.stgit@angua> References: <20091124081316.6216.66310.stgit@angua> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091124081316.6216.66310.stgit@angua> Sender: sparclinux-owner@vger.kernel.org To: linuxppc-dev@lists.ozlabs.org, devicetree-discuss@lists.ozlabs.org, sparclinux@vger.kernel.org, microblaze-uclinux@itee.uq.edu.au, benh@kernel.crashing.org, sfr@canb.auug.org.au, dave List-Id: devicetree@vger.kernel.org Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely --- arch/microblaze/kernel/prom.c | 23 ----------------------- arch/powerpc/kernel/prom.c | 24 ------------------------ drivers/of/fdt.c | 26 ++++++++++++++++++++++++++ include/linux/of_fdt.h | 6 ++++++ 4 files changed, 32 insertions(+), 47 deletions(-) diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 7959495..189179a 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -42,9 +42,6 @@ #include #include -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - typedef u32 cell_t; /* export that to outside world */ @@ -158,26 +155,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop == NULL) ? 1 : *prop; - pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop == NULL) ? 2 : *prop; - pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1ecd6c6..78f65a4 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -61,10 +61,6 @@ #define DBG(fmt...) #endif - -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - #ifdef CONFIG_PPC64 int __initdata iommu_is_off; int __initdata iommu_force_on; @@ -436,26 +432,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop == NULL) ? 1 : *prop; - DBG("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop == NULL) ? 2 : *prop; - DBG("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 6ad98e8..be200be 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -15,6 +15,9 @@ #include #include +int __initdata dt_root_addr_cells; +int __initdata dt_root_size_cells; + struct boot_param_header *initial_boot_params; char *find_flat_dt_string(u32 offset) @@ -407,6 +410,29 @@ inline void early_init_dt_check_for_initrd(unsigned long node) #endif /* CONFIG_BLK_DEV_INITRD */ /** + * early_init_dt_scan_root - fetch the top level address and size cells + */ +int __init early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data) +{ + u32 *prop; + + if (depth != 0) + return 0; + + prop = of_get_flat_dt_prop(node, "#size-cells", NULL); + dt_root_size_cells = (prop == NULL) ? 1 : *prop; + pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); + + prop = of_get_flat_dt_prop(node, "#address-cells", NULL); + dt_root_addr_cells = (prop == NULL) ? 2 : *prop; + pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); + + /* break now */ + return 1; +} + +/** * unflatten_device_tree - create tree of device_nodes from flat blob * * unflattens the device-tree passed by the firmware, creating the diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index ec2db82..828c3cd 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -58,6 +58,8 @@ struct boot_param_header { }; /* TBD: Temporary export of fdt globals - remove when code fully merged */ +extern int __initdata dt_root_addr_cells; +extern int __initdata dt_root_size_cells; extern struct boot_param_header *initial_boot_params; /* For scanning the flat device-tree at boot time */ @@ -71,6 +73,10 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern unsigned long of_get_flat_dt_root(void); extern void early_init_dt_check_for_initrd(unsigned long node); +/* Early flat tree scan hooks */ +extern int early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data); + /* Other Prototypes */ extern void finish_device_tree(void); extern void unflatten_device_tree(void); From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Likely Date: Tue, 24 Nov 2009 08:18:08 +0000 Subject: [PATCH 02/11] of/flattree: Merge earlyinit_dt_scan_root() Message-Id: <20091124081800.6216.27311.stgit@angua> List-Id: References: <20091124081316.6216.66310.stgit@angua> In-Reply-To: <20091124081316.6216.66310.stgit@angua> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linuxppc-dev@lists.ozlabs.org, devicetree-discuss@lists.ozlabs.org, sparclinux@vger.kernel.org, microblaze-uclinux@itee.uq.edu.au, benh@kernel.crashing.org, sfr@canb.auug.org.au, dave Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely --- arch/microblaze/kernel/prom.c | 23 ----------------------- arch/powerpc/kernel/prom.c | 24 ------------------------ drivers/of/fdt.c | 26 ++++++++++++++++++++++++++ include/linux/of_fdt.h | 6 ++++++ 4 files changed, 32 insertions(+), 47 deletions(-) diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 7959495..189179a 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -42,9 +42,6 @@ #include #include -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - typedef u32 cell_t; /* export that to outside world */ @@ -158,26 +155,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop = NULL) ? 1 : *prop; - pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop = NULL) ? 2 : *prop; - pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1ecd6c6..78f65a4 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -61,10 +61,6 @@ #define DBG(fmt...) #endif - -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - #ifdef CONFIG_PPC64 int __initdata iommu_is_off; int __initdata iommu_force_on; @@ -436,26 +432,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop = NULL) ? 1 : *prop; - DBG("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop = NULL) ? 2 : *prop; - DBG("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 6ad98e8..be200be 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -15,6 +15,9 @@ #include #include +int __initdata dt_root_addr_cells; +int __initdata dt_root_size_cells; + struct boot_param_header *initial_boot_params; char *find_flat_dt_string(u32 offset) @@ -407,6 +410,29 @@ inline void early_init_dt_check_for_initrd(unsigned long node) #endif /* CONFIG_BLK_DEV_INITRD */ /** + * early_init_dt_scan_root - fetch the top level address and size cells + */ +int __init early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data) +{ + u32 *prop; + + if (depth != 0) + return 0; + + prop = of_get_flat_dt_prop(node, "#size-cells", NULL); + dt_root_size_cells = (prop = NULL) ? 1 : *prop; + pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); + + prop = of_get_flat_dt_prop(node, "#address-cells", NULL); + dt_root_addr_cells = (prop = NULL) ? 2 : *prop; + pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); + + /* break now */ + return 1; +} + +/** * unflatten_device_tree - create tree of device_nodes from flat blob * * unflattens the device-tree passed by the firmware, creating the diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index ec2db82..828c3cd 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -58,6 +58,8 @@ struct boot_param_header { }; /* TBD: Temporary export of fdt globals - remove when code fully merged */ +extern int __initdata dt_root_addr_cells; +extern int __initdata dt_root_size_cells; extern struct boot_param_header *initial_boot_params; /* For scanning the flat device-tree at boot time */ @@ -71,6 +73,10 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern unsigned long of_get_flat_dt_root(void); extern void early_init_dt_check_for_initrd(unsigned long node); +/* Early flat tree scan hooks */ +extern int early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data); + /* Other Prototypes */ extern void finish_device_tree(void); extern void unflatten_device_tree(void); From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: Grant Likely From: Grant Likely Subject: [PATCH 02/11] of/flattree: Merge earlyinit_dt_scan_root() To: linuxppc-dev@lists.ozlabs.org, devicetree-discuss@lists.ozlabs.org, sparclinux@vger.kernel.org, microblaze-uclinux@itee.uq.edu.au, benh@kernel.crashing.org, sfr@canb.auug.org.au, davem@davemloft.net, monstr@monstr.eu Date: Tue, 24 Nov 2009 01:18:08 -0700 Message-ID: <20091124081800.6216.27311.stgit@angua> In-Reply-To: <20091124081316.6216.66310.stgit@angua> References: <20091124081316.6216.66310.stgit@angua> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely --- arch/microblaze/kernel/prom.c | 23 ----------------------- arch/powerpc/kernel/prom.c | 24 ------------------------ drivers/of/fdt.c | 26 ++++++++++++++++++++++++++ include/linux/of_fdt.h | 6 ++++++ 4 files changed, 32 insertions(+), 47 deletions(-) diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 7959495..189179a 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -42,9 +42,6 @@ #include #include -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - typedef u32 cell_t; /* export that to outside world */ @@ -158,26 +155,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop == NULL) ? 1 : *prop; - pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop == NULL) ? 2 : *prop; - pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1ecd6c6..78f65a4 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -61,10 +61,6 @@ #define DBG(fmt...) #endif - -static int __initdata dt_root_addr_cells; -static int __initdata dt_root_size_cells; - #ifdef CONFIG_PPC64 int __initdata iommu_is_off; int __initdata iommu_force_on; @@ -436,26 +432,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node, return 1; } -static int __init early_init_dt_scan_root(unsigned long node, - const char *uname, int depth, void *data) -{ - u32 *prop; - - if (depth != 0) - return 0; - - prop = of_get_flat_dt_prop(node, "#size-cells", NULL); - dt_root_size_cells = (prop == NULL) ? 1 : *prop; - DBG("dt_root_size_cells = %x\n", dt_root_size_cells); - - prop = of_get_flat_dt_prop(node, "#address-cells", NULL); - dt_root_addr_cells = (prop == NULL) ? 2 : *prop; - DBG("dt_root_addr_cells = %x\n", dt_root_addr_cells); - - /* break now */ - return 1; -} - static u64 __init dt_mem_next_cell(int s, cell_t **cellp) { cell_t *p = *cellp; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 6ad98e8..be200be 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -15,6 +15,9 @@ #include #include +int __initdata dt_root_addr_cells; +int __initdata dt_root_size_cells; + struct boot_param_header *initial_boot_params; char *find_flat_dt_string(u32 offset) @@ -407,6 +410,29 @@ inline void early_init_dt_check_for_initrd(unsigned long node) #endif /* CONFIG_BLK_DEV_INITRD */ /** + * early_init_dt_scan_root - fetch the top level address and size cells + */ +int __init early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data) +{ + u32 *prop; + + if (depth != 0) + return 0; + + prop = of_get_flat_dt_prop(node, "#size-cells", NULL); + dt_root_size_cells = (prop == NULL) ? 1 : *prop; + pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells); + + prop = of_get_flat_dt_prop(node, "#address-cells", NULL); + dt_root_addr_cells = (prop == NULL) ? 2 : *prop; + pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells); + + /* break now */ + return 1; +} + +/** * unflatten_device_tree - create tree of device_nodes from flat blob * * unflattens the device-tree passed by the firmware, creating the diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index ec2db82..828c3cd 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -58,6 +58,8 @@ struct boot_param_header { }; /* TBD: Temporary export of fdt globals - remove when code fully merged */ +extern int __initdata dt_root_addr_cells; +extern int __initdata dt_root_size_cells; extern struct boot_param_header *initial_boot_params; /* For scanning the flat device-tree at boot time */ @@ -71,6 +73,10 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern unsigned long of_get_flat_dt_root(void); extern void early_init_dt_check_for_initrd(unsigned long node); +/* Early flat tree scan hooks */ +extern int early_init_dt_scan_root(unsigned long node, const char *uname, + int depth, void *data); + /* Other Prototypes */ extern void finish_device_tree(void); extern void unflatten_device_tree(void);