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Merge master.kernel.org:/home/rmk/linux-2.6-arm
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* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 5543/1: arm: serial amba: add missing declaration in serial.h
  [ARM] pxa: fix pxa27x_udc default pullup GPIO
  [ARM] pxa/imote2: fix UCAM sensor board ADC model number
  mx[23]: don't put clock lookups in __initdata
  fix oops when using console=ttymxcN with N > 0
  [ARM] ARMv7 errata: only apply fixes when running on applicable CPU
  [ARM] 5534/1: kmalloc must return a cache line aligned buffer
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Linus Torvalds committed Jun 8, 2009
2 parents 33fa108 + aa853f8 commit 6025974
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Showing 11 changed files with 53 additions and 24 deletions.
16 changes: 16 additions & 0 deletions arch/arm/include/asm/cache.h
Original file line number Diff line number Diff line change
Expand Up @@ -7,4 +7,20 @@
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)

/*
* Memory returned by kmalloc() may be used for DMA, so we must make
* sure that all such allocations are cache aligned. Otherwise,
* unrelated code may cause parts of the buffer to be read into the
* cache before the transfer is done, causing old data to be seen by
* the CPU.
*/
#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES

/*
* With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
*/
#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
#define ARCH_SLAB_MINALIGN 8
#endif

#endif
7 changes: 0 additions & 7 deletions arch/arm/include/asm/page.h
Original file line number Diff line number Diff line change
Expand Up @@ -202,13 +202,6 @@ typedef struct page *pgtable_t;
(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)

/*
* With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
*/
#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
#define ARCH_SLAB_MINALIGN 8
#endif

#include <asm-generic/page.h>

#endif
2 changes: 1 addition & 1 deletion arch/arm/mach-mx2/clock_imx21.c
Original file line number Diff line number Diff line change
Expand Up @@ -890,7 +890,7 @@ static struct clk clko_clk = {
.con_id = n, \
.clk = &c, \
},
static struct clk_lookup lookups[] __initdata = {
static struct clk_lookup lookups[] = {
/* It's unlikely that any driver wants one of them directly:
_REGISTER_CLOCK(NULL, "ckih", ckih_clk)
_REGISTER_CLOCK(NULL, "ckil", ckil_clk)
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2 changes: 1 addition & 1 deletion arch/arm/mach-mx2/clock_imx27.c
Original file line number Diff line number Diff line change
Expand Up @@ -621,7 +621,7 @@ DEFINE_CLOCK1(csi_clk, 0, 0, 0, parent, &csi_clk1, &per4_clk);
.clk = &c, \
},

static struct clk_lookup lookups[] __initdata = {
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
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2 changes: 1 addition & 1 deletion arch/arm/mach-mx3/clock-imx35.c
Original file line number Diff line number Diff line change
Expand Up @@ -404,7 +404,7 @@ DEFINE_CLOCK(gpu2d_clk, 0, CCM_CGR3, 4, NULL, NULL);
.clk = &c, \
},

static struct clk_lookup lookups[] __initdata = {
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "asrc", asrc_clk)
_REGISTER_CLOCK(NULL, "ata", ata_clk)
_REGISTER_CLOCK(NULL, "audmux", audmux_clk)
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2 changes: 1 addition & 1 deletion arch/arm/mach-mx3/clock.c
Original file line number Diff line number Diff line change
Expand Up @@ -516,7 +516,7 @@ DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk);
.clk = &c, \
},

static struct clk_lookup lookups[] __initdata = {
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "emi", emi_clk)
_REGISTER_CLOCK(NULL, "cspi", cspi1_clk)
_REGISTER_CLOCK(NULL, "cspi", cspi2_clk)
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5 changes: 4 additions & 1 deletion arch/arm/mach-pxa/devices.c
Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,10 @@ void __init pxa_set_mci_info(struct pxamci_platform_data *info)
}


static struct pxa2xx_udc_mach_info pxa_udc_info;
static struct pxa2xx_udc_mach_info pxa_udc_info = {
.gpio_pullup = -1,
.gpio_vbus = -1,
};

void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info)
{
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2 changes: 1 addition & 1 deletion arch/arm/mach-pxa/imote2.c
Original file line number Diff line number Diff line change
Expand Up @@ -412,7 +412,7 @@ static struct platform_device imote2_flash_device = {
*/
static struct i2c_board_info __initdata imote2_i2c_board_info[] = {
{ /* UCAM sensor board */
.type = "max1238",
.type = "max1239",
.addr = 0x35,
}, { /* ITS400 Sensor board only */
.type = "max1363",
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36 changes: 25 additions & 11 deletions arch/arm/mm/proc-v7.S
Original file line number Diff line number Diff line change
Expand Up @@ -184,23 +184,37 @@ __v7_setup:
stmia r12, {r0-r5, r7, r9, r11, lr}
bl v7_flush_dcache_all
ldmia r12, {r0-r5, r7, r9, r11, lr}

mrc p15, 0, r0, c0, c0, 0 @ read main ID register
and r10, r0, #0xff000000 @ ARM?
teq r10, #0x41000000
bne 2f
and r5, r0, #0x00f00000 @ variant
and r6, r0, #0x0000000f @ revision
orr r0, r6, r5, lsr #20-4 @ combine variant and revision

#ifdef CONFIG_ARM_ERRATA_430973
mrc p15, 0, r10, c1, c0, 1 @ read aux control register
orr r10, r10, #(1 << 6) @ set IBE to 1
mcr p15, 0, r10, c1, c0, 1 @ write aux control register
teq r5, #0x00100000 @ only present in r1p*
mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
orreq r10, r10, #(1 << 6) @ set IBE to 1
mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_458693
mrc p15, 0, r10, c1, c0, 1 @ read aux control register
orr r10, r10, #(1 << 5) @ set L1NEON to 1
orr r10, r10, #(1 << 9) @ set PLDNOP to 1
mcr p15, 0, r10, c1, c0, 1 @ write aux control register
teq r0, #0x20 @ only present in r2p0
mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
orreq r10, r10, #(1 << 5) @ set L1NEON to 1
orreq r10, r10, #(1 << 9) @ set PLDNOP to 1
mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_460075
mrc p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
orr r10, r10, #(1 << 22) @ set the Write Allocate disable bit
mcr p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
teq r0, #0x20 @ only present in r2p0
mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
tsteq r10, #1 << 22
orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit
mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
#endif
mov r10, #0

2: mov r10, #0
#ifdef HARVARD_CACHE
mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate
#endif
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2 changes: 2 additions & 0 deletions drivers/serial/imx.c
Original file line number Diff line number Diff line change
Expand Up @@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options)
if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
co->index = 0;
sport = imx_ports[co->index];
if(sport == NULL)
return -ENODEV;

if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
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1 change: 1 addition & 0 deletions include/linux/amba/serial.h
Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@
#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS)

#ifndef __ASSEMBLY__
struct amba_device; /* in uncompress this is included but amba/bus.h is not */
struct amba_pl010_data {
void (*set_mctrl)(struct amba_device *dev, void __iomem *base, unsigned int mctrl);
};
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