Use ioremap in gpio.c
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/plat-omap/gpio.c | 222 ++++++++++++++++++++++++++-------------------
1 files changed, 128 insertions(+), 94 deletions(-)
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index b0c7361..30b93ff 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -45,10 +45,10 @@
/*
* OMAP1610 specific GPIO registers
*/
-#define OMAP1610_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbe400)
-#define OMAP1610_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbec00)
-#define OMAP1610_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbb400)
-#define OMAP1610_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbbc00)
+#define OMAP1610_GPIO1_BASE 0xfffbe400
+#define OMAP1610_GPIO2_BASE 0xfffbec00
+#define OMAP1610_GPIO3_BASE 0xfffbb400
+#define OMAP1610_GPIO4_BASE 0xfffbbc00
#define OMAP1610_GPIO_REVISION 0x0000
#define OMAP1610_GPIO_SYSCONFIG 0x0010
#define OMAP1610_GPIO_SYSSTATUS 0x0014
@@ -70,12 +70,12 @@
/*
* OMAP7XX specific GPIO registers
*/
-#define OMAP7XX_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbc000)
-#define OMAP7XX_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbc800)
-#define OMAP7XX_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbd000)
-#define OMAP7XX_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbd800)
-#define OMAP7XX_GPIO5_BASE OMAP1_IO_ADDRESS(0xfffbe000)
-#define OMAP7XX_GPIO6_BASE OMAP1_IO_ADDRESS(0xfffbe800)
+#define OMAP7XX_GPIO1_BASE 0xfffbc000
+#define OMAP7XX_GPIO2_BASE 0xfffbc800
+#define OMAP7XX_GPIO3_BASE 0xfffbd000
+#define OMAP7XX_GPIO4_BASE 0xfffbd800
+#define OMAP7XX_GPIO5_BASE 0xfffbe000
+#define OMAP7XX_GPIO6_BASE 0xfffbe800
#define OMAP7XX_GPIO_DATA_INPUT 0x00
#define OMAP7XX_GPIO_DATA_OUTPUT 0x04
#define OMAP7XX_GPIO_DIR_CONTROL 0x08
@@ -83,21 +83,21 @@
#define OMAP7XX_GPIO_INT_MASK 0x10
#define OMAP7XX_GPIO_INT_STATUS 0x14
-#define OMAP1_MPUIO_VBASE OMAP1_IO_ADDRESS(OMAP1_MPUIO_BASE)
+#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
/*
* omap24xx specific GPIO registers
*/
-#define OMAP242X_GPIO1_BASE OMAP2_IO_ADDRESS(0x48018000)
-#define OMAP242X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4801a000)
-#define OMAP242X_GPIO3_BASE OMAP2_IO_ADDRESS(0x4801c000)
-#define OMAP242X_GPIO4_BASE OMAP2_IO_ADDRESS(0x4801e000)
+#define OMAP242X_GPIO1_BASE 0x48018000
+#define OMAP242X_GPIO2_BASE 0x4801a000
+#define OMAP242X_GPIO3_BASE 0x4801c000
+#define OMAP242X_GPIO4_BASE 0x4801e000
-#define OMAP243X_GPIO1_BASE OMAP2_IO_ADDRESS(0x4900C000)
-#define OMAP243X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4900E000)
-#define OMAP243X_GPIO3_BASE OMAP2_IO_ADDRESS(0x49010000)
-#define OMAP243X_GPIO4_BASE OMAP2_IO_ADDRESS(0x49012000)
-#define OMAP243X_GPIO5_BASE OMAP2_IO_ADDRESS(0x480B6000)
+#define OMAP243X_GPIO1_BASE 0x4900C000
+#define OMAP243X_GPIO2_BASE 0x4900E000
+#define OMAP243X_GPIO3_BASE 0x49010000
+#define OMAP243X_GPIO4_BASE 0x49012000
+#define OMAP243X_GPIO5_BASE 0x480B6000
#define OMAP24XX_GPIO_REVISION 0x0000
#define OMAP24XX_GPIO_SYSCONFIG 0x0010
@@ -154,24 +154,25 @@
* omap34xx specific GPIO registers
*/
-#define OMAP34XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x48310000)
-#define OMAP34XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x49050000)
-#define OMAP34XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x49052000)
-#define OMAP34XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x49054000)
-#define OMAP34XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x49056000)
-#define OMAP34XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x49058000)
+#define OMAP34XX_GPIO1_BASE 0x48310000
+#define OMAP34XX_GPIO2_BASE 0x49050000
+#define OMAP34XX_GPIO3_BASE 0x49052000
+#define OMAP34XX_GPIO4_BASE 0x49054000
+#define OMAP34XX_GPIO5_BASE 0x49056000
+#define OMAP34XX_GPIO6_BASE 0x49058000
/*
* OMAP44XX specific GPIO registers
*/
-#define OMAP44XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x4a310000)
-#define OMAP44XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x48055000)
-#define OMAP44XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x48057000)
-#define OMAP44XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x48059000)
-#define OMAP44XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x4805B000)
-#define OMAP44XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x4805D000)
+#define OMAP44XX_GPIO1_BASE 0x4a310000
+#define OMAP44XX_GPIO2_BASE 0x48055000
+#define OMAP44XX_GPIO3_BASE 0x48057000
+#define OMAP44XX_GPIO4_BASE 0x48059000
+#define OMAP44XX_GPIO5_BASE 0x4805B000
+#define OMAP44XX_GPIO6_BASE 0x4805D000
struct gpio_bank {
+ unsigned long pbase;
void __iomem *base;
u16 irq;
u16 virtual_irq_start;
@@ -204,77 +205,106 @@ struct gpio_bank {
#ifdef CONFIG_ARCH_OMAP16XX
static struct gpio_bank gpio_bank_1610[5] = {
- { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO},
- { OMAP1610_GPIO1_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1610 },
- { OMAP1610_GPIO2_BASE, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16, METHOD_GPIO_1610 },
- { OMAP1610_GPIO3_BASE, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32, METHOD_GPIO_1610 },
- { OMAP1610_GPIO4_BASE, INT_1610_GPIO_BANK4, IH_GPIO_BASE + 48, METHOD_GPIO_1610 },
+ { OMAP1_MPUIO_VBASE, 0, INT_MPUIO, IH_MPUIO_BASE,
+ METHOD_MPUIO },
+ { OMAP1610_GPIO1_BASE, 0, INT_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_1610 },
+ { OMAP1610_GPIO2_BASE, 0, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16,
+ METHOD_GPIO_1610 },
+ { OMAP1610_GPIO3_BASE, 0, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32,
+ METHOD_GPIO_1610 },
+ { OMAP1610_GPIO4_BASE, 0, INT_1610_GPIO_BANK4, IH_GPIO_BASE + 48,
+ METHOD_GPIO_1610 },
};
#endif
#ifdef CONFIG_ARCH_OMAP15XX
static struct gpio_bank gpio_bank_1510[2] = {
- { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
- { OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 }
+ { OMAP1_MPUIO_VBASE, 0, INT_MPUIO, IH_MPUIO_BASE,
+ METHOD_MPUIO },
+ { OMAP1510_GPIO_BASE, 0, INT_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_1510 }
};
#endif
#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
static struct gpio_bank gpio_bank_7xx[7] = {
- { OMAP1_MPUIO_VBASE, INT_7XX_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
- { OMAP7XX_GPIO1_BASE, INT_7XX_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_7XX },
- { OMAP7XX_GPIO2_BASE, INT_7XX_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_7XX },
- { OMAP7XX_GPIO3_BASE, INT_7XX_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_7XX },
- { OMAP7XX_GPIO4_BASE, INT_7XX_GPIO_BANK4, IH_GPIO_BASE + 96, METHOD_GPIO_7XX },
- { OMAP7XX_GPIO5_BASE, INT_7XX_GPIO_BANK5, IH_GPIO_BASE + 128, METHOD_GPIO_7XX },
- { OMAP7XX_GPIO6_BASE, INT_7XX_GPIO_BANK6, IH_GPIO_BASE + 160, METHOD_GPIO_7XX },
+ { OMAP1_MPUIO_VBASE, 0, INT_7XX_MPUIO, IH_MPUIO_BASE,
+ METHOD_MPUIO },
+ { OMAP7XX_GPIO1_BASE, 0, INT_7XX_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_7XX },
+ { OMAP7XX_GPIO2_BASE, 0, INT_7XX_GPIO_BANK2, IH_GPIO_BASE + 32,
+ METHOD_GPIO_7XX },
+ { OMAP7XX_GPIO3_BASE, 0, INT_7XX_GPIO_BANK3, IH_GPIO_BASE + 64,
+ METHOD_GPIO_7XX },
+ { OMAP7XX_GPIO4_BASE, 0, INT_7XX_GPIO_BANK4, IH_GPIO_BASE + 96,
+ METHOD_GPIO_7XX },
+ { OMAP7XX_GPIO5_BASE, 0, INT_7XX_GPIO_BANK5, IH_GPIO_BASE + 128,
+ METHOD_GPIO_7XX },
+ { OMAP7XX_GPIO6_BASE, 0, INT_7XX_GPIO_BANK6, IH_GPIO_BASE + 160,
+ METHOD_GPIO_7XX },
};
#endif
#ifdef CONFIG_ARCH_OMAP24XX
static struct gpio_bank gpio_bank_242x[4] = {
- { OMAP242X_GPIO1_BASE, INT_24XX_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_24XX },
- { OMAP242X_GPIO2_BASE, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_24XX },
- { OMAP242X_GPIO3_BASE, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_24XX },
- { OMAP242X_GPIO4_BASE, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96, METHOD_GPIO_24XX },
+ { OMAP242X_GPIO1_BASE, 0, INT_24XX_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_24XX },
+ { OMAP242X_GPIO2_BASE, 0, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32,
+ METHOD_GPIO_24XX },
+ { OMAP242X_GPIO3_BASE, 0, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64,
+ METHOD_GPIO_24XX },
+ { OMAP242X_GPIO4_BASE, 0, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96,
+ METHOD_GPIO_24XX },
};
static struct gpio_bank gpio_bank_243x[5] = {
- { OMAP243X_GPIO1_BASE, INT_24XX_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_24XX },
- { OMAP243X_GPIO2_BASE, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_24XX },
- { OMAP243X_GPIO3_BASE, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_24XX },
- { OMAP243X_GPIO4_BASE, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96, METHOD_GPIO_24XX },
- { OMAP243X_GPIO5_BASE, INT_24XX_GPIO_BANK5, IH_GPIO_BASE + 128, METHOD_GPIO_24XX },
+ { OMAP243X_GPIO1_BASE, 0, INT_24XX_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_24XX },
+ { OMAP243X_GPIO2_BASE, 0, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32,
+ METHOD_GPIO_24XX },
+ { OMAP243X_GPIO3_BASE, 0, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64,
+ METHOD_GPIO_24XX },
+ { OMAP243X_GPIO4_BASE, 0, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96,
+ METHOD_GPIO_24XX },
+ { OMAP243X_GPIO5_BASE, 0, INT_24XX_GPIO_BANK5, IH_GPIO_BASE + 128,
+ METHOD_GPIO_24XX },
};
#endif
#ifdef CONFIG_ARCH_OMAP34XX
static struct gpio_bank gpio_bank_34xx[6] = {
- { OMAP34XX_GPIO1_BASE, INT_34XX_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_24XX },
- { OMAP34XX_GPIO2_BASE, INT_34XX_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_24XX },
- { OMAP34XX_GPIO3_BASE, INT_34XX_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_24XX },
- { OMAP34XX_GPIO4_BASE, INT_34XX_GPIO_BANK4, IH_GPIO_BASE + 96, METHOD_GPIO_24XX },
- { OMAP34XX_GPIO5_BASE, INT_34XX_GPIO_BANK5, IH_GPIO_BASE + 128, METHOD_GPIO_24XX },
- { OMAP34XX_GPIO6_BASE, INT_34XX_GPIO_BANK6, IH_GPIO_BASE + 160, METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO1_BASE, 0, INT_34XX_GPIO_BANK1, IH_GPIO_BASE,
+ METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO2_BASE, 0, INT_34XX_GPIO_BANK2, IH_GPIO_BASE + 32,
+ METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO3_BASE, 0, INT_34XX_GPIO_BANK3, IH_GPIO_BASE + 64,
+ METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO4_BASE, 0, INT_34XX_GPIO_BANK4, IH_GPIO_BASE + 96,
+ METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO5_BASE, 0, INT_34XX_GPIO_BANK5, IH_GPIO_BASE + 128,
+ METHOD_GPIO_24XX },
+ { OMAP34XX_GPIO6_BASE, 0, INT_34XX_GPIO_BANK6, IH_GPIO_BASE + 160,
+ METHOD_GPIO_24XX },
};
#endif
#ifdef CONFIG_ARCH_OMAP4
static struct gpio_bank gpio_bank_44xx[6] = {
- { OMAP44XX_GPIO1_BASE, INT_44XX_GPIO_BANK1, IH_GPIO_BASE, \
+ { OMAP44XX_GPIO1_BASE, 0, INT_44XX_GPIO_BANK1, IH_GPIO_BASE,
METHOD_GPIO_24XX },
- { OMAP44XX_GPIO2_BASE, INT_44XX_GPIO_BANK2, IH_GPIO_BASE + 32, \
+ { OMAP44XX_GPIO2_BASE, 0, INT_44XX_GPIO_BANK2, IH_GPIO_BASE + 32,
METHOD_GPIO_24XX },
- { OMAP44XX_GPIO3_BASE, INT_44XX_GPIO_BANK3, IH_GPIO_BASE + 64, \
+ { OMAP44XX_GPIO3_BASE, 0, INT_44XX_GPIO_BANK3, IH_GPIO_BASE + 64,
METHOD_GPIO_24XX },
- { OMAP44XX_GPIO4_BASE, INT_44XX_GPIO_BANK4, IH_GPIO_BASE + 96, \
+ { OMAP44XX_GPIO4_BASE, 0, INT_44XX_GPIO_BANK4, IH_GPIO_BASE + 96,
METHOD_GPIO_24XX },
- { OMAP44XX_GPIO5_BASE, INT_44XX_GPIO_BANK5, IH_GPIO_BASE + 128, \
+ { OMAP44XX_GPIO5_BASE, 0, INT_44XX_GPIO_BANK5, IH_GPIO_BASE + 128,
METHOD_GPIO_24XX },
- { OMAP44XX_GPIO6_BASE, INT_44XX_GPIO_BANK6, IH_GPIO_BASE + 160, \
+ { OMAP44XX_GPIO6_BASE, 0, INT_44XX_GPIO_BANK6, IH_GPIO_BASE + 160,
METHOD_GPIO_24XX },
};
@@ -1511,6 +1541,23 @@ static struct clk * gpio5_fck;
static struct clk *gpio_iclks[OMAP34XX_NR_GPIOS];
#endif
+static void __init omap_gpio_show_rev(void)
+{
+ u32 rev;
+
+ if (cpu_is_omap16xx())
+ rev = __raw_readw(gpio_bank[1].base + OMAP1610_GPIO_REVISION);
+ else if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION);
+ else if (cpu_is_omap44xx())
+ rev = __raw_readl(gpio_bank[0].base + OMAP4_GPIO_REVISION);
+ else
+ return;
+
+ printk(KERN_INFO "OMAP GPIO hardware version %d.%d\n",
+ (rev >> 4) & 0x0f, rev & 0x0f);
+}
+
/* This lock class tells lockdep that GPIO irqs are in a different
* category than their parents, so it won't report false recursion.
*/
@@ -1521,6 +1568,7 @@ static int __init _omap_gpio_init(void)
int i;
int gpio = 0;
struct gpio_bank *bank;
+ int bank_size = SZ_8K; /* Module 4KB + L4 4KB except on omap1 */
char clk_name[11];
initialized = 1;
@@ -1583,69 +1631,45 @@ static int __init _omap_gpio_init(void)
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap15xx()) {
- printk(KERN_INFO "OMAP1510 GPIO hardware\n");
gpio_bank_count = 2;
gpio_bank = gpio_bank_1510;
+ bank_size = SZ_2K;
}
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
if (cpu_is_omap16xx()) {
- u32 rev;
-
gpio_bank_count = 5;
gpio_bank = gpio_bank_1610;
- rev = __raw_readw(gpio_bank[1].base + OMAP1610_GPIO_REVISION);
- printk(KERN_INFO "OMAP GPIO hardware version %d.%d\n",
- (rev >> 4) & 0x0f, rev & 0x0f);
+ bank_size = SZ_2K;
}
#endif
#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
if (cpu_is_omap7xx()) {
- printk(KERN_INFO "OMAP7XX GPIO hardware\n");
gpio_bank_count = 7;
gpio_bank = gpio_bank_7xx;
+ bank_size = SZ_2K;
}
#endif
#ifdef CONFIG_ARCH_OMAP24XX
if (cpu_is_omap242x()) {
- int rev;
-
gpio_bank_count = 4;
gpio_bank = gpio_bank_242x;
- rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION);
- printk(KERN_INFO "OMAP242x GPIO hardware version %d.%d\n",
- (rev >> 4) & 0x0f, rev & 0x0f);
}
if (cpu_is_omap243x()) {
- int rev;
-
gpio_bank_count = 5;
gpio_bank = gpio_bank_243x;
- rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION);
- printk(KERN_INFO "OMAP243x GPIO hardware version %d.%d\n",
- (rev >> 4) & 0x0f, rev & 0x0f);
}
#endif
#ifdef CONFIG_ARCH_OMAP34XX
if (cpu_is_omap34xx()) {
- int rev;
-
gpio_bank_count = OMAP34XX_NR_GPIOS;
gpio_bank = gpio_bank_34xx;
- rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION);
- printk(KERN_INFO "OMAP34xx GPIO hardware version %d.%d\n",
- (rev >> 4) & 0x0f, rev & 0x0f);
}
#endif
#ifdef CONFIG_ARCH_OMAP4
if (cpu_is_omap44xx()) {
- int rev;
-
gpio_bank_count = OMAP34XX_NR_GPIOS;
gpio_bank = gpio_bank_44xx;
- rev = __raw_readl(gpio_bank[0].base + OMAP4_GPIO_REVISION);
- printk(KERN_INFO "OMAP44xx GPIO hardware version %d.%d\n",
- (rev >> 4) & 0x0f, rev & 0x0f);
}
#endif
for (i = 0; i < gpio_bank_count; i++) {
@@ -1653,6 +1677,14 @@ static int __init _omap_gpio_init(void)
bank = &gpio_bank[i];
spin_lock_init(&bank->lock);
+
+ /* Static mapping, never released */
+ bank->base = ioremap(bank->pbase, bank_size);
+ if (!bank->base) {
+ printk(KERN_ERR "Could not ioremap gpio bank%i\n", i);
+ continue;
+ }
+
if (bank_is_mpuio(bank))
__raw_writew(0xffff, bank->base + OMAP_MPUIO_GPIO_MASKIT);
if (cpu_is_omap15xx() && bank->method == METHOD_GPIO_1510) {
@@ -1758,6 +1790,8 @@ static int __init _omap_gpio_init(void)
if (cpu_is_omap34xx())
omap_writel(1 << 0, 0x48306814);
+ omap_gpio_show_rev();
+
return 0;
}
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