Commit 3ed43c74 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (21 commits)
  Blackfin Serial Driver: abstract away DLAB differences into header
  Blackfin Serial Driver: macro away the IER differences between processors
  [Blackfin] arch: remove useless IRQ_SW_INT defines
  [Blackfin] arch: protect linux/usb/musb.h include until the driver gets mainlined
  [Blackfin] arch: protect linux/usb/isp1362.h include until the driver gets mainlined
  [Blackfin] arch: add EBIU supporting for BF54x EZKIT SMSC LAN911x/LAN921x families embedded ethernet driver
  [Blackfin] arch: Set spi flash partition on bf527 as like bf548.
  [Blackfin] arch: fix bug - Remove module will not free L1 memory used
  [Blackfin] arch: fix wrong header name in comment
  [Blackfin] arch: Fix BUG - spi flash on bf527 ezkit would fail at mount
  [Blackfin] arch: add twi_lcd and twi_keypad i2c board info to bf527-ezkit
  [Blackfin] arch: Add physmap partition for BF527-EZkit
  [Blackfin] arch: fix gdb testing regression
  [Blackfin] arch: disable single stepping when delivering a signal
  [Blackfin] arch: Delete unused (copied from m68k) entries in asm-offsets.c.
  [Blackfin] arch: In the double fault handler, set up the PT_RETI slot
  [Blackfin] arch: Support for CPU_FREQ and NOHZ
  [Blackfin] arch: Functional power management support: Add CPU and platform voltage scaling support
  [Blackfin] arch: fix bug -  breaking the atomic sections code.
  [Blackfin] arch: Equalize include files: Add VR_CTL masks
  ...
parents 26c5e98e 45828b81

arch/blackfin/Kconfig

+10 −8
Original line number Diff line number Diff line
@@ -832,6 +832,7 @@ config BANK_0 
config BANK_1

	hex "Bank 1"

	default 0x7BB0

	default 0x5558 if BF54x



config BANK_2

	hex "Bank 2"
@@ -963,21 +964,22 @@ endchoice 


endmenu



if (BF537 || BF533 || BF54x)



menu "CPU Frequency scaling"



source "drivers/cpufreq/Kconfig"



config CPU_FREQ

	bool

config CPU_VOLTAGE

	bool "CPU Voltage scaling"

	depends on EXPERIMENTAL	

	depends on CPU_FREQ

	default n

	help

	  If you want to enable this option, you should select the

	  DPMC driver from Character Devices.

endmenu

	  Say Y here if you want CPU voltage scaling according to the CPU frequency.

	  This option violates the PLL BYPASS recommendation in the Blackfin Processor

	  manuals. There is a theoretical risk that during VDDINT transitions 

	  the PLL may unlock.



endif

endmenu



source "net/Kconfig"

arch/blackfin/kernel/asm-offsets.c

+0 −3
Original line number Diff line number Diff line
@@ -56,9 +56,6 @@ int main(void) 
	/* offsets into the thread struct */

	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));

	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));

	DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));

	DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));

	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));

	DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));

	DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);

arch/blackfin/kernel/fixed_code.S

+1 −1
Original line number Diff line number Diff line 
/*

 * This file contains sequences of code that will be copied to a

 * fixed location, defined in <asm/atomic_seq.h>.  The interrupt

 * fixed location, defined in <asm/fixed_code.h>.  The interrupt

 * handlers ensure that these sequences appear to be atomic when

 * executed from userspace.

 * These are aligned to 16 bytes, so that we have some space to replace

arch/blackfin/kernel/module.c

+22 −15
Original line number Diff line number Diff line
@@ -160,6 +160,13 @@ int 
module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,

			  char *secstrings, struct module *mod)

{

	/*

	 * XXX: sechdrs are vmalloced in kernel/module.c

	 * and would be vfreed just after module is loaded,

	 * so we hack to keep the only information we needed

	 * in mod->arch to correctly free L1 I/D sram later.

	 * NOTE: this breaks the semantic of mod->arch structure.

	 */

	Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum;

	void *dest = NULL;
@@ -167,8 +174,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs, 
		if ((strcmp(".l1.text", secstrings + s->sh_name) == 0) ||

		    ((strcmp(".text", secstrings + s->sh_name) == 0) &&

		     (hdr->e_flags & FLG_CODE_IN_L1) && (s->sh_size > 0))) {

			mod->arch.text_l1 = s;

			dest = l1_inst_sram_alloc(s->sh_size);

			mod->arch.text_l1 = dest;

			if (dest == NULL) {

				printk(KERN_ERR

				       "module %s: L1 instruction memory allocation failed\n",
@@ -182,8 +189,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs, 
		if ((strcmp(".l1.data", secstrings + s->sh_name) == 0) ||

		    ((strcmp(".data", secstrings + s->sh_name) == 0) &&

		     (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {

			mod->arch.data_a_l1 = s;

			dest = l1_data_sram_alloc(s->sh_size);

			mod->arch.data_a_l1 = dest;

			if (dest == NULL) {

				printk(KERN_ERR

					"module %s: L1 data memory allocation failed\n",
@@ -197,8 +204,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs, 
		if (strcmp(".l1.bss", secstrings + s->sh_name) == 0 ||

		    ((strcmp(".bss", secstrings + s->sh_name) == 0) &&

		     (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {

			mod->arch.bss_a_l1 = s;

			dest = l1_data_sram_alloc(s->sh_size);

			mod->arch.bss_a_l1 = dest;

			if (dest == NULL) {

				printk(KERN_ERR

					"module %s: L1 data memory allocation failed\n",
@@ -210,8 +217,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs, 
			s->sh_addr = (unsigned long)dest;

		}

		if (strcmp(".l1.data.B", secstrings + s->sh_name) == 0) {

			mod->arch.data_b_l1 = s;

			dest = l1_data_B_sram_alloc(s->sh_size);

			mod->arch.data_b_l1 = dest;

			if (dest == NULL) {

				printk(KERN_ERR

					"module %s: L1 data memory allocation failed\n",
@@ -223,8 +230,8 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs, 
			s->sh_addr = (unsigned long)dest;

		}

		if (strcmp(".l1.bss.B", secstrings + s->sh_name) == 0) {

			mod->arch.bss_b_l1 = s;

			dest = l1_data_B_sram_alloc(s->sh_size);

			mod->arch.bss_b_l1 = dest;

			if (dest == NULL) {

				printk(KERN_ERR

					"module %s: L1 data memory allocation failed\n",
@@ -416,14 +423,14 @@ module_finalize(const Elf_Ehdr * hdr, 


void module_arch_cleanup(struct module *mod)

{

	if ((mod->arch.text_l1) && (mod->arch.text_l1->sh_addr))

		l1_inst_sram_free((void *)mod->arch.text_l1->sh_addr);

	if ((mod->arch.data_a_l1) && (mod->arch.data_a_l1->sh_addr))

		l1_data_sram_free((void *)mod->arch.data_a_l1->sh_addr);

	if ((mod->arch.bss_a_l1) && (mod->arch.bss_a_l1->sh_addr))

		l1_data_sram_free((void *)mod->arch.bss_a_l1->sh_addr);

	if ((mod->arch.data_b_l1) && (mod->arch.data_b_l1->sh_addr))

		l1_data_B_sram_free((void *)mod->arch.data_b_l1->sh_addr);

	if ((mod->arch.bss_b_l1) && (mod->arch.bss_b_l1->sh_addr))

		l1_data_B_sram_free((void *)mod->arch.bss_b_l1->sh_addr);

	if (mod->arch.text_l1)

		l1_inst_sram_free((void *)mod->arch.text_l1);

	if (mod->arch.data_a_l1)

		l1_data_sram_free((void *)mod->arch.data_a_l1);

	if (mod->arch.bss_a_l1)

		l1_data_sram_free((void *)mod->arch.bss_a_l1);

	if (mod->arch.data_b_l1)

		l1_data_B_sram_free((void *)mod->arch.data_b_l1);

	if (mod->arch.bss_b_l1)

		l1_data_B_sram_free((void *)mod->arch.bss_b_l1);

}

arch/blackfin/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -245,7 +245,7 @@ unsigned long get_wchan(struct task_struct *p) 


void finish_atomic_sections (struct pt_regs *regs)

{

	int __user *up0 = (int __user *)&regs->p0;

	int __user *up0 = (int __user *)regs->p0;



	if (regs->pc < ATOMIC_SEQS_START || regs->pc >= ATOMIC_SEQS_END)

		return;

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