Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Workaround for a sparse warning in include/asm-mips/mach-tx4927/ioremap.h
  [MIPS] Make show_code static and add __user tag
  [MIPS] Workaround for a sparse warning in include/asm-mips/compat.h
  [MIPS] Add some __user tags
  [MIPS] math-emu minor cleanup
  [MIPS] Kill CONFIG_TX4927BUG_WORKAROUND
  [MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_FB_XPERT98
  [MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1000_SRC_CLK
  [MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1000_USE32K
  [MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_AU1XXX_PSC_SPI
  [CHAR] Delete leftovers of old Alchemy UART driver

diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index fdf2b85a69c89585a640e13599cb25111ba64913..a95b377731965d9070787f3227530e17535306ac 100644 (file)
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -103,12 +103,6 @@ void __init plat_mem_setup(void)
     }
 #endif
 
-#ifdef CONFIG_FB_XPERT98
-       if ((argptr = strstr(argptr, "video=")) == NULL) {
-               argptr = prom_getcmdline();
-               strcat(argptr, " video=atyfb:1024x768-8@70");
-       }
-#endif
 
 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
        /* au1000 does not support vra, au1500 and au1100 do */

diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index fa1c62f055156a509e2b6e5aeed75f0d7b67fa70..8fc29982d700bdc68c7a399b8561bfe0d1c4755a 100644 (file)
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -203,11 +203,7 @@ wakeup_counter0_set(int ticks)
 /* I haven't found anyone that doesn't use a 12 MHz source clock,
  * but just in case.....
  */
-#ifdef CONFIG_AU1000_SRC_CLK
-#define AU1000_SRC_CLK CONFIG_AU1000_SRC_CLK
-#else
 #define AU1000_SRC_CLK 12000000
-#endif
 
 /*
  * We read the real processor speed from the PLL.  This is important
@@ -247,33 +243,8 @@ unsigned long cal_r4koff(void)
                au_writel (0, SYS_TOYWRITE);
                while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S);
 
-#if defined(CONFIG_AU1000_USE32K)
-               {
-                       unsigned long start, end, count;
-
-                       start = au_readl(SYS_RTCREAD);
-                       start += 2;
-                       /* wait for the beginning of a new tick
-                       */
-                       while (au_readl(SYS_RTCREAD) < start);
-
-                       /* Start r4k counter.
-                       */
-                       write_c0_count(0);
-
-                       /* Wait 0.5 seconds.
-                       */
-                       end = start + (32768 / trim_divide)/2;
-
-                       while (end > au_readl(SYS_RTCREAD));
-
-                       count = read_c0_count();
-                       cpu_speed = count * 2;
-               }
-#else
                cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) *
                        AU1000_SRC_CLK;
-#endif
        }
        else {
                /* The 32KHz oscillator isn't running, so assume there

diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c
index 043302b7fe589d7eabc873d7d5172c05c6473381..eea2092bde8dfe801fb06fac0b4251c108dad153 100644 (file)
--- a/arch/mips/au1000/pb1200/board_setup.c
+++ b/arch/mips/au1000/pb1200/board_setup.c
@@ -131,14 +131,7 @@ void __init board_setup(void)
        /* The Pb1200 development board uses external MUX for PSC0 to
        support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
        */
-#if defined(CONFIG_AU1XXX_PSC_SPI) && defined(CONFIG_I2C_AU1550)
-       #error I2C and SPI are mutually exclusive. Both are physically connected to PSC0.\
-                       Refer to Pb1200/Db1200 documentation.
-#elif defined( CONFIG_AU1XXX_PSC_SPI )
-       bcsr->resets |= BCSR_RESETS_PCS0MUX;
-       /*Hard Coding Value to enable Temp Sensors [bit 14] Value for SOC Au1200. Pls refer documentation*/
-         bcsr->resets =0x900f;
-#elif defined( CONFIG_I2C_AU1550 )
+#ifdef CONFIG_I2C_AU1550
        bcsr->resets &= (~BCSR_RESETS_PCS0MUX);
 #endif
        au_sync();

diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 76fd3f22c76624363d94b7e4b870d0e798ff282d..6b5df8bfab85d0a97b503ad2ca441ff37d4c21d0 100644 (file)
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -22,7 +22,8 @@
  */
 int __compute_return_epc(struct pt_regs *regs)
 {
-       unsigned int *addr, bit, fcr31, dspcontrol;
+       unsigned int __user *addr;
+       unsigned int bit, fcr31, dspcontrol;
        long epc;
        union mips_instruction insn;
 
@@ -33,7 +34,7 @@ int __compute_return_epc(struct pt_regs *regs)
        /*
         * Read the instruction
         */
-       addr = (unsigned int *) epc;
+       addr = (unsigned int __user *) epc;
        if (__get_user(insn.word, addr)) {
                force_sig(SIGSEGV, current);
                return -EFAULT;

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 5e9fa83c4ef0adcaff30dd3fe6d4f239331d3b63..37c562c4c8176f3dfe8dd88251ef1899b42b2ccf 100644 (file)
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -131,7 +131,7 @@ static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
        const int field = 2 * sizeof(unsigned long);
        long stackdata;
        int i;
-       unsigned long *sp = (unsigned long *)regs->regs[29];
+       unsigned long __user *sp = (unsigned long __user *)regs->regs[29];
 
        printk("Stack :");
        i = 0;
@@ -187,7 +187,7 @@ void dump_stack(void)
 
 EXPORT_SYMBOL(dump_stack);
 
-void show_code(unsigned int *pc)
+static void show_code(unsigned int __user *pc)
 {
        long i;
 
@@ -305,7 +305,7 @@ void show_registers(struct pt_regs *regs)
        printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n",
                current->comm, current->pid, current_thread_info(), current);
        show_stacktrace(current, regs);
-       show_code((unsigned int *) regs->cp0_epc);
+       show_code((unsigned int __user *) regs->cp0_epc);
        printk("\n");
 }
 
@@ -865,7 +865,7 @@ asmlinkage void do_mcheck(struct pt_regs *regs)
                dump_tlb_all();
        }
 
-       show_code((unsigned int *) regs->cp0_epc);
+       show_code((unsigned int __user *) regs->cp0_epc);
 
        /*
         * Some chips may have other causes of machine check (e.g. SB1

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index d7f05b0abe170c1deba01094ddea2e86da9806c7..17419e11ecad761e2db48990c91997a51b27d2a3 100644 (file)
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -205,7 +205,7 @@ static int isBranchInstr(mips_instruction * i)
 static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
 {
        mips_instruction ir;
-       void * emulpc, *contpc;
+       unsigned long emulpc, contpc;
        unsigned int cond;
 
        if (get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) {
@@ -230,7 +230,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                 * Linux MIPS branch emulator operates on context, updating the
                 * cp0_epc.
                 */
-               emulpc = (void *) (xcp->cp0_epc + 4);   /* Snapshot emulation target */
+               emulpc = xcp->cp0_epc + 4;      /* Snapshot emulation target */
 
                if (__compute_return_epc(xcp)) {
 #ifdef CP1DBG
@@ -244,12 +244,12 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                        return SIGBUS;
                }
                /* __compute_return_epc() will have updated cp0_epc */
-               contpc = (void *)  xcp->cp0_epc;
+               contpc = xcp->cp0_epc;
                /* In order not to confuse ptrace() et al, tweak context */
-               xcp->cp0_epc = (unsigned long) emulpc - 4;
+               xcp->cp0_epc = emulpc - 4;
        } else {
-               emulpc = (void *)  xcp->cp0_epc;
-               contpc = (void *) (xcp->cp0_epc + 4);
+               emulpc = xcp->cp0_epc;
+               contpc = xcp->cp0_epc + 4;
        }
 
       emul:
@@ -427,8 +427,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                                 * instruction
                                 */
                                xcp->cp0_epc += 4;
-                               contpc = (void *)
-                                       (xcp->cp0_epc +
+                               contpc = (xcp->cp0_epc +
                                        (MIPSInst_SIMM(ir) << 2));
 
                                if (get_user(ir,
@@ -462,7 +461,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
                                 * Single step the non-cp1
                                 * instruction in the dslot
                                 */
-                               return mips_dsemul(xcp, ir, (unsigned long) contpc);
+                               return mips_dsemul(xcp, ir, contpc);
                        }
                        else {
                                /* branch not taken */
@@ -521,7 +520,7 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
        }
 
        /* we did it !! */
-       xcp->cp0_epc = (unsigned long) contpc;
+       xcp->cp0_epc = contpc;
        xcp->cp0_cause &= ~CAUSEF_BD;
 
        return 0;

diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index ea6ba7248489598e7376768abeef38d7a0fce632..653e325849e417d0ca2f9d646f2c850b5ffc8ec0 100644 (file)
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -54,8 +54,7 @@ struct emuframe {
 int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
 {
        extern asmlinkage void handle_dsemulret(void);
-       mips_instruction *dsemul_insns;
-       struct emuframe *fr;
+       struct emuframe __user *fr;
        int err;
 
        if (ir == 0) {          /* a nop is easy */
@@ -87,8 +86,8 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
         */
 
        /* Ensure that the two instructions are in the same cache line */
-       dsemul_insns = (mips_instruction *) ((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);
-       fr = (struct emuframe *) dsemul_insns;
+       fr = (struct emuframe __user *)
+               ((regs->regs[29] - sizeof(struct emuframe)) & ~0x7);
 
        /* Verify that the stack pointer is not competely insane */
        if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe))))
@@ -113,12 +112,13 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
 
 int do_dsemulret(struct pt_regs *xcp)
 {
-       struct emuframe *fr;
+       struct emuframe __user *fr;
        unsigned long epc;
        u32 insn, cookie;
        int err = 0;
 
-       fr = (struct emuframe *) (xcp->cp0_epc - sizeof(mips_instruction));
+       fr = (struct emuframe __user *)
+               (xcp->cp0_epc - sizeof(mips_instruction));
 
        /*
         * If we can't even access the area, something is very wrong, but we'll

diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
index a0c11efeaeeb9dd24658c114b5c46fa66bf26e70..40c7c3eeafaf2e740fe0e633aa8e82e8135f6123 100644 (file)
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
@@ -138,7 +138,6 @@ extern void toshiba_rbtx4927_irq_setup(void);
 char *prom_getcmdline(void);
 
 #ifdef CONFIG_PCI
-#define CONFIG_TX4927BUG_WORKAROUND
 #undef TX4927_SUPPORT_COMMAND_IO
 #undef  TX4927_SUPPORT_PCI_66
 int tx4927_cpu_clock = 100000000;      /* 100MHz */
@@ -669,15 +668,7 @@ void tx4927_pci_setup(void)
 
        /* PCI->GB mappings (MEM 16MB) -not used */
        tx4927_pcicptr->p2gm1plbase = 0xffffffff;
-#ifdef CONFIG_TX4927BUG_WORKAROUND
-       /*
-        * TX4927-PCIC-BUG: P2GM1PUBASE must be 0
-        * if P2GM0PUBASE was 0.
-        */
-       tx4927_pcicptr->p2gm1pubase = 0;
-#else
        tx4927_pcicptr->p2gm1pubase = 0xffffffff;
-#endif
        tx4927_pcicptr->p2gmgbase[1] = 0;
 
        /* PCI->GB mappings (MEM 1MB) -not used */
@@ -910,16 +901,6 @@ void __init toshiba_rbtx4927_setup(void)
        if (tx4927_ccfg_toeon)
                tx4927_ccfgptr->ccfg |= TX4927_CCFG_TOE;
 
-       /* SDRAMC fixup */
-#ifdef CONFIG_TX4927BUG_WORKAROUND
-       /*
-        * TX4927-BUG: INF 01-01-18/ BUG 01-01-22
-        * G-bus timeout error detection is incorrect
-        */
-       if (tx4927_ccfg_toeon)
-               tx4927_sdramcptr->tr |= 0x02000000;     /* RCD:3tck */
-#endif
-
        tx4927_pci_setup();
        if (tx4927_using_backplane == 1)
                printk("backplane board IS installed\n");

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index a31c6d2c061fdcc22df065f2eb673bc08ad7f4df..f6648682b43ab4669a8e06dbb46adf9649c94049 100644 (file)
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -374,20 +374,6 @@ config ISTALLION
          To compile this driver as a module, choose M here: the
          module will be called istallion.
 
-config AU1000_UART
-       bool "Enable Au1000 UART Support"
-       depends on SERIAL_NONSTANDARD && MIPS
-       help
-         If you have an Alchemy AU1000 processor (MIPS based) and you want
-         to use serial ports, say Y.  Otherwise, say N.
-
-config AU1000_SERIAL_CONSOLE
-       bool "Enable Au1000 serial console"
-       depends on AU1000_UART
-       help
-         If you have an Alchemy AU1000 processor (MIPS based) and you want
-         to use a console on a serial port, say Y.  Otherwise, say N.
-
 config SERIAL_DEC
        bool "DECstation serial support"
        depends on MACH_DECSTATION

diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h
index 432653d7ae09326dafde8ef0b23504ca27b69300..67c3f8ec0303bba4e95fdf1eb00b9638d51d62ac 100644 (file)
--- a/include/asm-mips/compat.h
+++ b/include/asm-mips/compat.h
@@ -132,7 +132,8 @@ typedef u32         compat_uptr_t;
 
 static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
-       return (void __user *)(long)uptr;
+       /* cast to a __user pointer via "unsigned long" makes sparse happy */
+       return (void __user *)(unsigned long)(long)uptr;
 }
 
 static inline compat_uptr_t ptr_to_compat(void __user *uptr)

diff --git a/include/asm-mips/mach-tx49xx/ioremap.h b/include/asm-mips/mach-tx49xx/ioremap.h
index 88cf546719b8f74ddec13ba9754176e7d14291fa..1e7beae7222980f2865d2b00f13dbfa3574e2f00 100644 (file)
--- a/include/asm-mips/mach-tx49xx/ioremap.h
+++ b/include/asm-mips/mach-tx49xx/ioremap.h
@@ -36,7 +36,8 @@ static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
 
 static inline int plat_iounmap(const volatile void __iomem *addr)
 {
-       return (unsigned long)addr >= (unsigned long)(int)TXX9_DIRECTMAP_BASE;
+       return (unsigned long)addr >=
+               (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff);
 }
 
 #endif /* __ASM_MACH_TX49XX_IOREMAP_H */