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-rw-r--r--drivers/bus/hisi_lpc.c96
-rw-r--r--drivers/bus/mhi/host/main.c19
-rw-r--r--drivers/bus/mhi/host/pci_generic.c4
-rw-r--r--drivers/bus/mvebu-mbus.c26
4 files changed, 65 insertions, 80 deletions
diff --git a/drivers/bus/hisi_lpc.c b/drivers/bus/hisi_lpc.c
index 2e564803e786..5b65a48f17e7 100644
--- a/drivers/bus/hisi_lpc.c
+++ b/drivers/bus/hisi_lpc.c
@@ -85,7 +85,7 @@ static int wait_lpc_idle(void __iomem *mbase, unsigned int waitcnt)
ndelay(LPC_NSEC_PERWAIT);
} while (--waitcnt);
- return -ETIME;
+ return -ETIMEDOUT;
}
/*
@@ -347,7 +347,7 @@ static int hisi_lpc_acpi_xlat_io_res(struct acpi_device *adev,
unsigned long sys_port;
resource_size_t len = resource_size(res);
- sys_port = logic_pio_trans_hwaddr(&host->fwnode, res->start, len);
+ sys_port = logic_pio_trans_hwaddr(acpi_fwnode_handle(host), res->start, len);
if (sys_port == ~0UL)
return -EFAULT;
@@ -472,9 +472,7 @@ static int hisi_lpc_acpi_clear_enumerated(struct acpi_device *adev, void *not_us
struct hisi_lpc_acpi_cell {
const char *hid;
- const char *name;
- void *pdata;
- size_t pdata_size;
+ const struct platform_device_info *pdevinfo;
};
static void hisi_lpc_acpi_remove(struct device *hostdev)
@@ -505,28 +503,45 @@ static int hisi_lpc_acpi_add_child(struct acpi_device *child, void *data)
/* ipmi */
{
.hid = "IPI0001",
- .name = "hisi-lpc-ipmi",
+ .pdevinfo = (struct platform_device_info []) {
+ {
+ .parent = hostdev,
+ .fwnode = acpi_fwnode_handle(child),
+ .name = "hisi-lpc-ipmi",
+ .id = PLATFORM_DEVID_AUTO,
+ .res = res,
+ .num_res = num_res,
+ },
+ },
},
/* 8250-compatible uart */
{
.hid = "HISI1031",
- .name = "serial8250",
- .pdata = (struct plat_serial8250_port []) {
+ .pdevinfo = (struct platform_device_info []) {
{
- .iobase = res->start,
- .uartclk = 1843200,
- .iotype = UPIO_PORT,
- .flags = UPF_BOOT_AUTOCONF,
+ .parent = hostdev,
+ .fwnode = acpi_fwnode_handle(child),
+ .name = "serial8250",
+ .id = PLATFORM_DEVID_AUTO,
+ .res = res,
+ .num_res = num_res,
+ .data = (struct plat_serial8250_port []) {
+ {
+ .iobase = res->start,
+ .uartclk = 1843200,
+ .iotype = UPIO_PORT,
+ .flags = UPF_BOOT_AUTOCONF,
+ },
+ {}
+ },
+ .size_data = 2 * sizeof(struct plat_serial8250_port),
},
- {}
},
- .pdata_size = 2 *
- sizeof(struct plat_serial8250_port),
},
{}
};
- for (; cell && cell->name; cell++) {
+ for (; cell && cell->hid; cell++) {
if (!strcmp(cell->hid, hid)) {
found = true;
break;
@@ -540,31 +555,12 @@ static int hisi_lpc_acpi_add_child(struct acpi_device *child, void *data)
return 0;
}
- pdev = platform_device_alloc(cell->name, PLATFORM_DEVID_AUTO);
- if (!pdev)
- return -ENOMEM;
-
- pdev->dev.parent = hostdev;
- ACPI_COMPANION_SET(&pdev->dev, child);
-
- ret = platform_device_add_resources(pdev, res, num_res);
- if (ret)
- goto fail;
-
- ret = platform_device_add_data(pdev, cell->pdata, cell->pdata_size);
- if (ret)
- goto fail;
-
- ret = platform_device_add(pdev);
- if (ret)
- goto fail;
+ pdev = platform_device_register_full(cell->pdevinfo);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
acpi_device_set_enumerated(child);
return 0;
-
-fail:
- platform_device_put(pdev);
- return ret;
}
/*
@@ -589,11 +585,6 @@ static int hisi_lpc_acpi_probe(struct device *hostdev)
return ret;
}
-
-static const struct acpi_device_id hisi_lpc_acpi_match[] = {
- {"HISI0191"},
- {}
-};
#else
static int hisi_lpc_acpi_probe(struct device *dev)
{
@@ -615,11 +606,9 @@ static void hisi_lpc_acpi_remove(struct device *hostdev)
static int hisi_lpc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct acpi_device *acpi_device = ACPI_COMPANION(dev);
struct logic_pio_hwaddr *range;
struct hisi_lpc_dev *lpcdev;
resource_size_t io_end;
- struct resource *res;
int ret;
lpcdev = devm_kzalloc(dev, sizeof(*lpcdev), GFP_KERNEL);
@@ -628,8 +617,7 @@ static int hisi_lpc_probe(struct platform_device *pdev)
spin_lock_init(&lpcdev->cycle_lock);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- lpcdev->membase = devm_ioremap_resource(dev, res);
+ lpcdev->membase = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(lpcdev->membase))
return PTR_ERR(lpcdev->membase);
@@ -637,7 +625,7 @@ static int hisi_lpc_probe(struct platform_device *pdev)
if (!range)
return -ENOMEM;
- range->fwnode = dev->fwnode;
+ range->fwnode = dev_fwnode(dev);
range->flags = LOGIC_PIO_INDIRECT;
range->size = PIO_INDIRECT_SIZE;
range->hostdata = lpcdev;
@@ -651,7 +639,7 @@ static int hisi_lpc_probe(struct platform_device *pdev)
}
/* register the LPC host PIO resources */
- if (acpi_device)
+ if (is_acpi_device_node(range->fwnode))
ret = hisi_lpc_acpi_probe(dev);
else
ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
@@ -672,11 +660,10 @@ static int hisi_lpc_probe(struct platform_device *pdev)
static int hisi_lpc_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct acpi_device *acpi_device = ACPI_COMPANION(dev);
struct hisi_lpc_dev *lpcdev = dev_get_drvdata(dev);
struct logic_pio_hwaddr *range = lpcdev->io_host;
- if (acpi_device)
+ if (is_acpi_device_node(range->fwnode))
hisi_lpc_acpi_remove(dev);
else
of_platform_depopulate(dev);
@@ -692,11 +679,16 @@ static const struct of_device_id hisi_lpc_of_match[] = {
{}
};
+static const struct acpi_device_id hisi_lpc_acpi_match[] = {
+ {"HISI0191"},
+ {}
+};
+
static struct platform_driver hisi_lpc_driver = {
.driver = {
.name = DRV_NAME,
.of_match_table = hisi_lpc_of_match,
- .acpi_match_table = ACPI_PTR(hisi_lpc_acpi_match),
+ .acpi_match_table = hisi_lpc_acpi_match,
},
.probe = hisi_lpc_probe,
.remove = hisi_lpc_remove,
diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index f3aef77a6a4a..df0fbfee7b78 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -430,12 +430,25 @@ irqreturn_t mhi_irq_handler(int irq_number, void *dev)
{
struct mhi_event *mhi_event = dev;
struct mhi_controller *mhi_cntrl = mhi_event->mhi_cntrl;
- struct mhi_event_ctxt *er_ctxt =
- &mhi_cntrl->mhi_ctxt->er_ctxt[mhi_event->er_index];
+ struct mhi_event_ctxt *er_ctxt;
struct mhi_ring *ev_ring = &mhi_event->ring;
- dma_addr_t ptr = le64_to_cpu(er_ctxt->rp);
+ dma_addr_t ptr;
void *dev_rp;
+ /*
+ * If CONFIG_DEBUG_SHIRQ is set, the IRQ handler will get invoked during __free_irq()
+ * and by that time mhi_ctxt() would've freed. So check for the existence of mhi_ctxt
+ * before handling the IRQs.
+ */
+ if (!mhi_cntrl->mhi_ctxt) {
+ dev_dbg(&mhi_cntrl->mhi_dev->dev,
+ "mhi_ctxt has been freed\n");
+ return IRQ_HANDLED;
+ }
+
+ er_ctxt = &mhi_cntrl->mhi_ctxt->er_ctxt[mhi_event->er_index];
+ ptr = le64_to_cpu(er_ctxt->rp);
+
if (!is_valid_ring_ptr(ev_ring, ptr)) {
dev_err(&mhi_cntrl->mhi_dev->dev,
"Event ring rp points outside of the event ring\n");
diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 9e545f2a5a26..caa4ce28cf9e 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -507,6 +507,8 @@ static const struct mhi_channel_config mhi_telit_fn990_channels[] = {
MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
+ MHI_CHANNEL_CONFIG_UL(92, "DUN2", 32, 1),
+ MHI_CHANNEL_CONFIG_DL(93, "DUN2", 32, 1),
MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
};
@@ -841,7 +843,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct mhi_controller *mhi_cntrl;
int err;
- dev_dbg(&pdev->dev, "MHI PCI device found: %s\n", info->name);
+ dev_info(&pdev->dev, "MHI PCI device found: %s\n", info->name);
/* mhi_pdev.mhi_cntrl must be zero-initialized */
mhi_pdev = devm_kzalloc(&pdev->dev, sizeof(*mhi_pdev), GFP_KERNEL);
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 5dc2669432ba..d51573ac525e 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -466,18 +466,7 @@ static int mvebu_sdram_debug_show(struct seq_file *seq, void *v)
struct mvebu_mbus_state *mbus = &mbus_state;
return mbus->soc->show_cpu_target(mbus, seq, v);
}
-
-static int mvebu_sdram_debug_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mvebu_sdram_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_sdram_debug_fops = {
- .open = mvebu_sdram_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_sdram_debug);
static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
{
@@ -516,18 +505,7 @@ static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
return 0;
}
-
-static int mvebu_devs_debug_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mvebu_devs_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_devs_debug_fops = {
- .open = mvebu_devs_debug_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_devs_debug);
/*
* SoC-specific functions and definitions
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 12:01:27 +0300