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-rw-r--r--Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt4
-rw-r--r--MAINTAINERS15
-rw-r--r--arch/arm/boot/dts/ecx-2000.dts6
-rw-r--r--arch/arm/boot/dts/ecx-common.dtsi6
-rw-r--r--arch/arm/boot/dts/highbank.dts6
-rw-r--r--drivers/edac/edac_device.c9
-rw-r--r--drivers/edac/edac_mc.c6
-rw-r--r--drivers/edac/edac_pci.c8
-rw-r--r--drivers/edac/highbank_l2_edac.c33
-rw-r--r--drivers/edac/highbank_mc_edac.c175
-rw-r--r--drivers/edac/mpc85xx_edac.c22
11 files changed, 158 insertions, 132 deletions
diff --git a/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt b/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt
index f770ac0893d..049675944b7 100644
--- a/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt
+++ b/Documentation/devicetree/bindings/arm/calxeda/mem-ctrlr.txt
@@ -1,7 +1,9 @@
Calxeda DDR memory controller
Properties:
-- compatible : Should be "calxeda,hb-ddr-ctrl"
+- compatible : Should be:
+ - "calxeda,hb-ddr-ctrl" for ECX-1000
+ - "calxeda,ecx-2000-ddr-ctrl" for ECX-2000
- reg : Address and size for DDR controller registers.
- interrupts : Interrupt for DDR controller.
diff --git a/MAINTAINERS b/MAINTAINERS
index 678f0743039..a3715fbcc22 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3063,6 +3063,14 @@ W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/amd64_edac*
+EDAC-CALXEDA
+M: Doug Thompson <dougthompson@xmission.com>
+M: Robert Richter <rric@kernel.org>
+L: linux-edac@vger.kernel.org
+W: bluesmoke.sourceforge.net
+S: Maintained
+F: drivers/edac/highbank*
+
EDAC-CAVIUM
M: Ralf Baechle <ralf@linux-mips.org>
M: David Daney <david.daney@cavium.com>
@@ -3144,6 +3152,13 @@ W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i82975x_edac.c
+EDAC-MPC85XX
+M: Johannes Thumshirn <johannes.thumshirn@men.de>
+L: linux-edac@vger.kernel.org
+W: bluesmoke.sourceforge.net
+S: Maintained
+F: drivers/edac/mpc85xx_edac.[ch]
+
EDAC-PASEMI
M: Egor Martovetsky <egor@pasemi.com>
L: linux-edac@vger.kernel.org
diff --git a/arch/arm/boot/dts/ecx-2000.dts b/arch/arm/boot/dts/ecx-2000.dts
index 139b40cc3a2..2ccbb57fbfa 100644
--- a/arch/arm/boot/dts/ecx-2000.dts
+++ b/arch/arm/boot/dts/ecx-2000.dts
@@ -85,6 +85,12 @@
<1 10 0xf08>;
};
+ memory-controller@fff00000 {
+ compatible = "calxeda,ecx-2000-ddr-ctrl";
+ reg = <0xfff00000 0x1000>;
+ interrupts = <0 91 4>;
+ };
+
intc: interrupt-controller@fff11000 {
compatible = "arm,cortex-a15-gic";
#interrupt-cells = <3>;
diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi
index bc22557d7a6..b90045a8f8e 100644
--- a/arch/arm/boot/dts/ecx-common.dtsi
+++ b/arch/arm/boot/dts/ecx-common.dtsi
@@ -53,12 +53,6 @@
status = "disabled";
};
- memory-controller@fff00000 {
- compatible = "calxeda,hb-ddr-ctrl";
- reg = <0xfff00000 0x1000>;
- interrupts = <0 91 4>;
- };
-
ipc@fff20000 {
compatible = "arm,pl320", "arm,primecell";
reg = <0xfff20000 0x1000>;
diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts
index 6aad34ad951..ed14aeac056 100644
--- a/arch/arm/boot/dts/highbank.dts
+++ b/arch/arm/boot/dts/highbank.dts
@@ -86,6 +86,12 @@
soc {
ranges = <0x00000000 0x00000000 0xffffffff>;
+ memory-controller@fff00000 {
+ compatible = "calxeda,hb-ddr-ctrl";
+ reg = <0xfff00000 0x1000>;
+ interrupts = <0 91 4>;
+ };
+
timer@fff10600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0xfff10600 0x20>;
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index 211021dfec7..10267434603 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -530,12 +530,9 @@ int edac_device_add_device(struct edac_device_ctl_info *edac_dev)
/* Report action taken */
edac_device_printk(edac_dev, KERN_INFO,
- "Giving out device to module '%s' controller "
- "'%s': DEV '%s' (%s)\n",
- edac_dev->mod_name,
- edac_dev->ctl_name,
- edac_dev_name(edac_dev),
- edac_op_state_to_string(edac_dev->op_state));
+ "Giving out device to module %s controller %s: DEV %s (%s)\n",
+ edac_dev->mod_name, edac_dev->ctl_name, edac_dev->dev_name,
+ edac_op_state_to_string(edac_dev->op_state));
mutex_unlock(&device_ctls_mutex);
return 0;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 89e109022d7..e8c9ef03495 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -788,8 +788,10 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
}
/* Report action taken */
- edac_mc_printk(mci, KERN_INFO, "Giving out device to '%s' '%s':"
- " DEV %s\n", mci->mod_name, mci->ctl_name, edac_dev_name(mci));
+ edac_mc_printk(mci, KERN_INFO,
+ "Giving out device to module %s controller %s: DEV %s (%s)\n",
+ mci->mod_name, mci->ctl_name, mci->dev_name,
+ edac_op_state_to_string(mci->op_state));
edac_mc_owner = mci->mod_name;
diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c
index dd370f92ace..2cf44b4db80 100644
--- a/drivers/edac/edac_pci.c
+++ b/drivers/edac/edac_pci.c
@@ -358,11 +358,9 @@ int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx)
}
edac_pci_printk(pci, KERN_INFO,
- "Giving out device to module '%s' controller '%s':"
- " DEV '%s' (%s)\n",
- pci->mod_name,
- pci->ctl_name,
- edac_dev_name(pci), edac_op_state_to_string(pci->op_state));
+ "Giving out device to module %s controller %s: DEV %s (%s)\n",
+ pci->mod_name, pci->ctl_name, pci->dev_name,
+ edac_op_state_to_string(pci->op_state));
mutex_unlock(&edac_pci_ctls_mutex);
return 0;
diff --git a/drivers/edac/highbank_l2_edac.c b/drivers/edac/highbank_l2_edac.c
index c2bd8c6a434..2f193668ebc 100644
--- a/drivers/edac/highbank_l2_edac.c
+++ b/drivers/edac/highbank_l2_edac.c
@@ -50,8 +50,15 @@ static irqreturn_t highbank_l2_err_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static const struct of_device_id hb_l2_err_of_match[] = {
+ { .compatible = "calxeda,hb-sregs-l2-ecc", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, hb_l2_err_of_match);
+
static int highbank_l2_err_probe(struct platform_device *pdev)
{
+ const struct of_device_id *id;
struct edac_device_ctl_info *dci;
struct hb_l2_drvdata *drvdata;
struct resource *r;
@@ -90,28 +97,32 @@ static int highbank_l2_err_probe(struct platform_device *pdev)
goto err;
}
+ id = of_match_device(hb_l2_err_of_match, &pdev->dev);
+ dci->mod_name = pdev->dev.driver->name;
+ dci->ctl_name = id ? id->compatible : "unknown";
+ dci->dev_name = dev_name(&pdev->dev);
+
+ if (edac_device_add_device(dci))
+ goto err;
+
drvdata->db_irq = platform_get_irq(pdev, 0);
res = devm_request_irq(&pdev->dev, drvdata->db_irq,
highbank_l2_err_handler,
0, dev_name(&pdev->dev), dci);
if (res < 0)
- goto err;
+ goto err2;
drvdata->sb_irq = platform_get_irq(pdev, 1);
res = devm_request_irq(&pdev->dev, drvdata->sb_irq,
highbank_l2_err_handler,
0, dev_name(&pdev->dev), dci);
if (res < 0)
- goto err;
-
- dci->mod_name = dev_name(&pdev->dev);
- dci->dev_name = dev_name(&pdev->dev);
-
- if (edac_device_add_device(dci))
- goto err;
+ goto err2;
devres_close_group(&pdev->dev, NULL);
return 0;
+err2:
+ edac_device_del_device(&pdev->dev);
err:
devres_release_group(&pdev->dev, NULL);
edac_device_free_ctl_info(dci);
@@ -127,12 +138,6 @@ static int highbank_l2_err_remove(struct platform_device *pdev)
return 0;
}
-static const struct of_device_id hb_l2_err_of_match[] = {
- { .compatible = "calxeda,hb-sregs-l2-ecc", },
- {},
-};
-MODULE_DEVICE_TABLE(of, hb_l2_err_of_match);
-
static struct platform_driver highbank_l2_edac_driver = {
.probe = highbank_l2_err_probe,
.remove = highbank_l2_err_remove,
diff --git a/drivers/edac/highbank_mc_edac.c b/drivers/edac/highbank_mc_edac.c
index 4695dd2d71f..f784de1dc79 100644
--- a/drivers/edac/highbank_mc_edac.c
+++ b/drivers/edac/highbank_mc_edac.c
@@ -26,31 +26,40 @@
#include "edac_module.h"
/* DDR Ctrlr Error Registers */
-#define HB_DDR_ECC_OPT 0x128
-#define HB_DDR_ECC_U_ERR_ADDR 0x130
-#define HB_DDR_ECC_U_ERR_STAT 0x134
-#define HB_DDR_ECC_U_ERR_DATAL 0x138
-#define HB_DDR_ECC_U_ERR_DATAH 0x13c
-#define HB_DDR_ECC_C_ERR_ADDR 0x140
-#define HB_DDR_ECC_C_ERR_STAT 0x144
-#define HB_DDR_ECC_C_ERR_DATAL 0x148
-#define HB_DDR_ECC_C_ERR_DATAH 0x14c
-#define HB_DDR_ECC_INT_STATUS 0x180
-#define HB_DDR_ECC_INT_ACK 0x184
-#define HB_DDR_ECC_U_ERR_ID 0x424
-#define HB_DDR_ECC_C_ERR_ID 0x428
-#define HB_DDR_ECC_INT_STAT_CE 0x8
-#define HB_DDR_ECC_INT_STAT_DOUBLE_CE 0x10
-#define HB_DDR_ECC_INT_STAT_UE 0x20
-#define HB_DDR_ECC_INT_STAT_DOUBLE_UE 0x40
+#define HB_DDR_ECC_ERR_BASE 0x128
+#define MW_DDR_ECC_ERR_BASE 0x1b4
+
+#define HB_DDR_ECC_OPT 0x00
+#define HB_DDR_ECC_U_ERR_ADDR 0x08
+#define HB_DDR_ECC_U_ERR_STAT 0x0c
+#define HB_DDR_ECC_U_ERR_DATAL 0x10
+#define HB_DDR_ECC_U_ERR_DATAH 0x14
+#define HB_DDR_ECC_C_ERR_ADDR 0x18
+#define HB_DDR_ECC_C_ERR_STAT 0x1c
+#define HB_DDR_ECC_C_ERR_DATAL 0x20
+#define HB_DDR_ECC_C_ERR_DATAH 0x24
#define HB_DDR_ECC_OPT_MODE_MASK 0x3
#define HB_DDR_ECC_OPT_FWC 0x100
#define HB_DDR_ECC_OPT_XOR_SHIFT 16
+/* DDR Ctrlr Interrupt Registers */
+
+#define HB_DDR_ECC_INT_BASE 0x180
+#define MW_DDR_ECC_INT_BASE 0x218
+
+#define HB_DDR_ECC_INT_STATUS 0x00
+#define HB_DDR_ECC_INT_ACK 0x04
+
+#define HB_DDR_ECC_INT_STAT_CE 0x8
+#define HB_DDR_ECC_INT_STAT_DOUBLE_CE 0x10
+#define HB_DDR_ECC_INT_STAT_UE 0x20
+#define HB_DDR_ECC_INT_STAT_DOUBLE_UE 0x40
+
struct hb_mc_drvdata {
- void __iomem *mc_vbase;
+ void __iomem *mc_err_base;
+ void __iomem *mc_int_base;
};
static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
@@ -60,10 +69,10 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
u32 status, err_addr;
/* Read the interrupt status register */
- status = readl(drvdata->mc_vbase + HB_DDR_ECC_INT_STATUS);
+ status = readl(drvdata->mc_int_base + HB_DDR_ECC_INT_STATUS);
if (status & HB_DDR_ECC_INT_STAT_UE) {
- err_addr = readl(drvdata->mc_vbase + HB_DDR_ECC_U_ERR_ADDR);
+ err_addr = readl(drvdata->mc_err_base + HB_DDR_ECC_U_ERR_ADDR);
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
err_addr >> PAGE_SHIFT,
err_addr & ~PAGE_MASK, 0,
@@ -71,9 +80,9 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
mci->ctl_name, "");
}
if (status & HB_DDR_ECC_INT_STAT_CE) {
- u32 syndrome = readl(drvdata->mc_vbase + HB_DDR_ECC_C_ERR_STAT);
+ u32 syndrome = readl(drvdata->mc_err_base + HB_DDR_ECC_C_ERR_STAT);
syndrome = (syndrome >> 8) & 0xff;
- err_addr = readl(drvdata->mc_vbase + HB_DDR_ECC_C_ERR_ADDR);
+ err_addr = readl(drvdata->mc_err_base + HB_DDR_ECC_C_ERR_ADDR);
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
err_addr >> PAGE_SHIFT,
err_addr & ~PAGE_MASK, syndrome,
@@ -82,66 +91,79 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
}
/* clear the error, clears the interrupt */
- writel(status, drvdata->mc_vbase + HB_DDR_ECC_INT_ACK);
+ writel(status, drvdata->mc_int_base + HB_DDR_ECC_INT_ACK);
return IRQ_HANDLED;
}
-#ifdef CONFIG_EDAC_DEBUG
-static ssize_t highbank_mc_err_inject_write(struct file *file,
- const char __user *data,
- size_t count, loff_t *ppos)
+static void highbank_mc_err_inject(struct mem_ctl_info *mci, u8 synd)
{
- struct mem_ctl_info *mci = file->private_data;
struct hb_mc_drvdata *pdata = mci->pvt_info;
- char buf[32];
- size_t buf_size;
u32 reg;
+
+ reg = readl(pdata->mc_err_base + HB_DDR_ECC_OPT);
+ reg &= HB_DDR_ECC_OPT_MODE_MASK;
+ reg |= (synd << HB_DDR_ECC_OPT_XOR_SHIFT) | HB_DDR_ECC_OPT_FWC;
+ writel(reg, pdata->mc_err_base + HB_DDR_ECC_OPT);
+}
+
+#define to_mci(k) container_of(k, struct mem_ctl_info, dev)
+
+static ssize_t highbank_mc_inject_ctrl(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct mem_ctl_info *mci = to_mci(dev);
u8 synd;
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, data, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
+ if (kstrtou8(buf, 16, &synd))
+ return -EINVAL;
- if (!kstrtou8(buf, 16, &synd)) {
- reg = readl(pdata->mc_vbase + HB_DDR_ECC_OPT);
- reg &= HB_DDR_ECC_OPT_MODE_MASK;
- reg |= (synd << HB_DDR_ECC_OPT_XOR_SHIFT) | HB_DDR_ECC_OPT_FWC;
- writel(reg, pdata->mc_vbase + HB_DDR_ECC_OPT);
- }
+ highbank_mc_err_inject(mci, synd);
return count;
}
-static const struct file_operations highbank_mc_debug_inject_fops = {
- .open = simple_open,
- .write = highbank_mc_err_inject_write,
- .llseek = generic_file_llseek,
+static DEVICE_ATTR(inject_ctrl, S_IWUSR, NULL, highbank_mc_inject_ctrl);
+
+struct hb_mc_settings {
+ int err_offset;
+ int int_offset;
};
-static void highbank_mc_create_debugfs_nodes(struct mem_ctl_info *mci)
-{
- if (mci->debugfs)
- debugfs_create_file("inject_ctrl", S_IWUSR, mci->debugfs, mci,
- &highbank_mc_debug_inject_fops);
-;
-}
-#else
-static void highbank_mc_create_debugfs_nodes(struct mem_ctl_info *mci)
-{}
-#endif
+static struct hb_mc_settings hb_settings = {
+ .err_offset = HB_DDR_ECC_ERR_BASE,
+ .int_offset = HB_DDR_ECC_INT_BASE,
+};
+
+static struct hb_mc_settings mw_settings = {
+ .err_offset = MW_DDR_ECC_ERR_BASE,
+ .int_offset = MW_DDR_ECC_INT_BASE,
+};
+
+static struct of_device_id hb_ddr_ctrl_of_match[] = {
+ { .compatible = "calxeda,hb-ddr-ctrl", .data = &hb_settings },
+ { .compatible = "calxeda,ecx-2000-ddr-ctrl", .data = &mw_settings },
+ {},
+};
+MODULE_DEVICE_TABLE(of, hb_ddr_ctrl_of_match);
static int highbank_mc_probe(struct platform_device *pdev)
{
+ const struct of_device_id *id;
+ const struct hb_mc_settings *settings;
struct edac_mc_layer layers[2];
struct mem_ctl_info *mci;
struct hb_mc_drvdata *drvdata;
struct dimm_info *dimm;
struct resource *r;
+ void __iomem *base;
u32 control;
int irq;
int res = 0;
+ id = of_match_device(hb_ddr_ctrl_of_match, &pdev->dev);
+ if (!id)
+ return -ENODEV;
+
layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
layers[0].size = 1;
layers[0].is_virt_csrow = true;
@@ -174,35 +196,31 @@ static int highbank_mc_probe(struct platform_device *pdev)
goto err;
}
- drvdata->mc_vbase = devm_ioremap(&pdev->dev,
- r->start, resource_size(r));
- if (!drvdata->mc_vbase) {
+ base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
+ if (!base) {
dev_err(&pdev->dev, "Unable to map regs\n");
res = -ENOMEM;
goto err;
}
- control = readl(drvdata->mc_vbase + HB_DDR_ECC_OPT) & 0x3;
+ settings = id->data;
+ drvdata->mc_err_base = base + settings->err_offset;
+ drvdata->mc_int_base = base + settings->int_offset;
+
+ control = readl(drvdata->mc_err_base + HB_DDR_ECC_OPT) & 0x3;
if (!control || (control == 0x2)) {
dev_err(&pdev->dev, "No ECC present, or ECC disabled\n");
res = -ENODEV;
goto err;
}
- irq = platform_get_irq(pdev, 0);
- res = devm_request_irq(&pdev->dev, irq, highbank_mc_err_handler,
- 0, dev_name(&pdev->dev), mci);
- if (res < 0) {
- dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
- goto err;
- }
-
mci->mtype_cap = MEM_FLAG_DDR3;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
mci->edac_cap = EDAC_FLAG_SECDED;
- mci->mod_name = dev_name(&pdev->dev);
+ mci->mod_name = pdev->dev.driver->name;
mci->mod_ver = "1";
- mci->ctl_name = dev_name(&pdev->dev);
+ mci->ctl_name = id->compatible;
+ mci->dev_name = dev_name(&pdev->dev);
mci->scrub_mode = SCRUB_SW_SRC;
/* Only a single 4GB DIMM is supported */
@@ -217,10 +235,20 @@ static int highbank_mc_probe(struct platform_device *pdev)
if (res < 0)
goto err;
- highbank_mc_create_debugfs_nodes(mci);
+ irq = platform_get_irq(pdev, 0);
+ res = devm_request_irq(&pdev->dev, irq, highbank_mc_err_handler,
+ 0, dev_name(&pdev->dev), mci);
+ if (res < 0) {
+ dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
+ goto err2;
+ }
+
+ device_create_file(&mci->dev, &dev_attr_inject_ctrl);
devres_close_group(&pdev->dev, NULL);
return 0;
+err2:
+ edac_mc_del_mc(&pdev->dev);
err:
devres_release_group(&pdev->dev, NULL);
edac_mc_free(mci);
@@ -231,17 +259,12 @@ static int highbank_mc_remove(struct platform_device *pdev)
{
struct mem_ctl_info *mci = platform_get_drvdata(pdev);
+ device_remove_file(&mci->dev, &dev_attr_inject_ctrl);
edac_mc_del_mc(&pdev->dev);
edac_mc_free(mci);
return 0;
}
-static const struct of_device_id hb_ddr_ctrl_of_match[] = {
- { .compatible = "calxeda,hb-ddr-ctrl", },
- {},
-};
-MODULE_DEVICE_TABLE(of, hb_ddr_ctrl_of_match);
-
static struct platform_driver highbank_mc_edac_driver = {
.probe = highbank_mc_probe,
.remove = highbank_mc_remove,
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 3eb32f62d72..fd46b0bd5f2 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -327,28 +327,6 @@ err:
}
EXPORT_SYMBOL(mpc85xx_pci_err_probe);
-static int mpc85xx_pci_err_remove(struct platform_device *op)
-{
- struct edac_pci_ctl_info *pci = dev_get_drvdata(&op->dev);
- struct mpc85xx_pci_pdata *pdata = pci->pvt_info;
-
- edac_dbg(0, "\n");
-
- out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_CAP_DR,
- orig_pci_err_cap_dr);
-
- out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN, orig_pci_err_en);
-
- edac_pci_del_device(pci->dev);
-
- if (edac_op_state == EDAC_OPSTATE_INT)
- irq_dispose_mapping(pdata->irq);
-
- edac_pci_free_ctl_info(pci);
-
- return 0;
-}
-
#endif /* CONFIG_PCI */
/**************************** L2 Err device ***************************/
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 04:44:55 +0000