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Char/Misc driver fixes for 6.2-rc5

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Here are some small char/misc and other subsystem driver fixes for
 6.2-rc5 to resolve a few reported issues.  They include:
   - long time pending fastrpc fixes (should have gone into 6.1, my
     fault.)
   - mei driver/bus fixes and new device ids
   - interconnect driver fixes for reported problems
   - vmci bugfix
   - w1 driver bugfixes for reported problems
 
 Almost all of these have been in linux-next with no reported problems,
 the rest have all passed 0-day bot testing in my tree and on the mailing
 lists where they have sat too long due to me taking a long time to catch
 up on my pending patch queue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some small char/misc and other subsystem driver fixes for
  6.2-rc5 to resolve a few reported issues. They include:

   - long time pending fastrpc fixes (should have gone into 6.1, my
     fault)

   - mei driver/bus fixes and new device ids

   - interconnect driver fixes for reported problems

   - vmci bugfix

   - w1 driver bugfixes for reported problems

  Almost all of these have been in linux-next with no reported problems,
  the rest have all passed 0-day bot testing in my tree and on the
  mailing lists where they have sat too long due to me taking a long
  time to catch up on my pending patch queue"

* tag 'char-misc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  VMCI: Use threaded irqs instead of tasklets
  misc: fastrpc: Pass bitfield into qcom_scm_assign_mem
  gsmi: fix null-deref in gsmi_get_variable
  misc: fastrpc: Fix use-after-free race condition for maps
  misc: fastrpc: Don't remove map on creater_process and device_release
  misc: fastrpc: Fix use-after-free and race in fastrpc_map_find
  misc: fastrpc: fix error code in fastrpc_req_mmap()
  mei: me: add meteor lake point M DID
  mei: bus: fix unlink on bus in error path
  w1: fix WARNING after calling w1_process()
  w1: fix deadloop in __w1_remove_master_device()
  comedi: adv_pci1760: Fix PWM instruction handling
  interconnect: qcom: rpm: Use _optional func for provider clocks
  interconnect: qcom: msm8996: Fix regmap max_register values
  interconnect: qcom: msm8996: Provide UFS clocks to A2NoC
  dt-bindings: interconnect: Add UFS clocks to MSM8996 A2NoC
This commit is contained in:
Linus Torvalds 2023-01-21 11:20:55 -08:00
commit f671440228
12 changed files with 122 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
View File

@ -84,7 +84,6 @@ allOf:
- qcom,msm8939-pcnoc
- qcom,msm8939-snoc
- qcom,msm8996-a1noc
- qcom,msm8996-a2noc
- qcom,msm8996-bimc
- qcom,msm8996-cnoc
- qcom,msm8996-pnoc
@ -186,6 +185,29 @@ allOf:
required:
- power-domains
- if:
properties:
compatible:
contains:
enum:
- qcom,msm8996-a2noc
then:
properties:
clock-names:
items:
- const: bus
- const: bus_a
- const: aggre2_ufs_axi
- const: ufs_axi
clocks:
items:
- description: Bus Clock
- description: Bus A Clock
- description: Aggregate2 NoC UFS AXI Clock
- description: UFS AXI Clock
- if:
properties:
compatible:

2
drivers/comedi/drivers/adv_pci1760.c
View File

@ -58,7 +58,7 @@
#define PCI1760_CMD_CLR_IMB2 0x00 /* Clears IMB2 */
#define PCI1760_CMD_SET_DO 0x01 /* Set output state */
#define PCI1760_CMD_GET_DO 0x02 /* Read output status */
#define PCI1760_CMD_GET_STATUS 0x03 /* Read current status */
#define PCI1760_CMD_GET_STATUS 0x07 /* Read current status */
#define PCI1760_CMD_GET_FW_VER 0x0e /* Read firmware version */
#define PCI1760_CMD_GET_HW_VER 0x0f /* Read hardware version */
#define PCI1760_CMD_SET_PWM_HI(x) (0x10 + (x) * 2) /* Set "hi" period */

7
drivers/firmware/google/gsmi.c
View File

@ -361,9 +361,10 @@ static efi_status_t gsmi_get_variable(efi_char16_t *name,
memcpy(data, gsmi_dev.data_buf->start, *data_size);
/* All variables are have the following attributes */
*attr = EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS;
if (attr)
*attr = EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS;
}
spin_unlock_irqrestore(&gsmi_dev.lock, flags);

2
drivers/interconnect/qcom/icc-rpm.c
View File

@ -488,7 +488,7 @@ int qnoc_probe(struct platform_device *pdev)
}
regmap_done:
ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
ret = devm_clk_bulk_get_optional(dev, qp->num_clks, qp->bus_clks);
if (ret)
return ret;

19
drivers/interconnect/qcom/msm8996.c
View File

@ -33,6 +33,13 @@ static const char * const bus_a0noc_clocks[] = {
"aggre0_noc_mpu_cfg"
};
static const char * const bus_a2noc_clocks[] = {
"bus",
"bus_a",
"aggre2_ufs_axi",
"ufs_axi"
};
static const u16 mas_a0noc_common_links[] = {
MSM8996_SLAVE_A0NOC_SNOC
};
@ -1806,7 +1813,7 @@ static const struct regmap_config msm8996_a0noc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x9000,
.max_register = 0x6000,
.fast_io = true
};
@ -1830,7 +1837,7 @@ static const struct regmap_config msm8996_a1noc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x7000,
.max_register = 0x5000,
.fast_io = true
};
@ -1851,7 +1858,7 @@ static const struct regmap_config msm8996_a2noc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0xa000,
.max_register = 0x7000,
.fast_io = true
};
@ -1859,6 +1866,8 @@ static const struct qcom_icc_desc msm8996_a2noc = {
.type = QCOM_ICC_NOC,
.nodes = a2noc_nodes,
.num_nodes = ARRAY_SIZE(a2noc_nodes),
.clocks = bus_a2noc_clocks,
.num_clocks = ARRAY_SIZE(bus_a2noc_clocks),
.regmap_cfg = &msm8996_a2noc_regmap_config
};
@ -1877,7 +1886,7 @@ static const struct regmap_config msm8996_bimc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x62000,
.max_register = 0x5a000,
.fast_io = true
};
@ -1988,7 +1997,7 @@ static const struct regmap_config msm8996_mnoc_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0x20000,
.max_register = 0x1c000,
.fast_io = true
};

83
drivers/misc/fastrpc.c
View File

@ -321,7 +321,7 @@ static void fastrpc_free_map(struct kref *ref)
perm.vmid = QCOM_SCM_VMID_HLOS;
perm.perm = QCOM_SCM_PERM_RWX;
err = qcom_scm_assign_mem(map->phys, map->size,
&(map->fl->cctx->vmperms[0].vmid), &perm, 1);
&map->fl->cctx->perms, &perm, 1);
if (err) {
dev_err(map->fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d",
map->phys, map->size, err);
@ -334,6 +334,13 @@ static void fastrpc_free_map(struct kref *ref)
dma_buf_put(map->buf);
}
if (map->fl) {
spin_lock(&map->fl->lock);
list_del(&map->node);
spin_unlock(&map->fl->lock);
map->fl = NULL;
}
kfree(map);
}
@ -343,38 +350,41 @@ static void fastrpc_map_put(struct fastrpc_map *map)
kref_put(&map->refcount, fastrpc_free_map);
}
static void fastrpc_map_get(struct fastrpc_map *map)
static int fastrpc_map_get(struct fastrpc_map *map)
{
if (map)
kref_get(&map->refcount);
if (!map)
return -ENOENT;
return kref_get_unless_zero(&map->refcount) ? 0 : -ENOENT;
}
static int fastrpc_map_lookup(struct fastrpc_user *fl, int fd,
struct fastrpc_map **ppmap)
struct fastrpc_map **ppmap, bool take_ref)
{
struct fastrpc_session_ctx *sess = fl->sctx;
struct fastrpc_map *map = NULL;
int ret = -ENOENT;
mutex_lock(&fl->mutex);
spin_lock(&fl->lock);
list_for_each_entry(map, &fl->maps, node) {
if (map->fd == fd) {
*ppmap = map;
mutex_unlock(&fl->mutex);
return 0;
if (map->fd != fd)
continue;
if (take_ref) {
ret = fastrpc_map_get(map);
if (ret) {
dev_dbg(sess->dev, "%s: Failed to get map fd=%d ret=%d\n",
__func__, fd, ret);
break;
}
}
*ppmap = map;
ret = 0;
break;
}
mutex_unlock(&fl->mutex);
return -ENOENT;
}
static int fastrpc_map_find(struct fastrpc_user *fl, int fd,
struct fastrpc_map **ppmap)
{
int ret = fastrpc_map_lookup(fl, fd, ppmap);
if (!ret)
fastrpc_map_get(*ppmap);
spin_unlock(&fl->lock);
return ret;
}
@ -746,7 +756,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
struct fastrpc_map *map = NULL;
int err = 0;
if (!fastrpc_map_find(fl, fd, ppmap))
if (!fastrpc_map_lookup(fl, fd, ppmap, true))
return 0;
map = kzalloc(sizeof(*map), GFP_KERNEL);
@ -788,10 +798,8 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
* If subsystem VMIDs are defined in DTSI, then do
* hyp_assign from HLOS to those VM(s)
*/
unsigned int perms = BIT(QCOM_SCM_VMID_HLOS);
map->attr = attr;
err = qcom_scm_assign_mem(map->phys, (u64)map->size, &perms,
err = qcom_scm_assign_mem(map->phys, (u64)map->size, &fl->cctx->perms,
fl->cctx->vmperms, fl->cctx->vmcount);
if (err) {
dev_err(sess->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d",
@ -1070,7 +1078,7 @@ static int fastrpc_put_args(struct fastrpc_invoke_ctx *ctx,
for (i = 0; i < FASTRPC_MAX_FDLIST; i++) {
if (!fdlist[i])
break;
if (!fastrpc_map_lookup(fl, (int)fdlist[i], &mmap))
if (!fastrpc_map_lookup(fl, (int)fdlist[i], &mmap, false))
fastrpc_map_put(mmap);
}
@ -1258,10 +1266,9 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
/* Map if we have any heap VMIDs associated with this ADSP Static Process. */
if (fl->cctx->vmcount) {
unsigned int perms = BIT(QCOM_SCM_VMID_HLOS);
err = qcom_scm_assign_mem(fl->cctx->remote_heap->phys,
(u64)fl->cctx->remote_heap->size, &perms,
(u64)fl->cctx->remote_heap->size,
&fl->cctx->perms,
fl->cctx->vmperms, fl->cctx->vmcount);
if (err) {
dev_err(fl->sctx->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d",
@ -1309,7 +1316,7 @@ err_invoke:
perm.perm = QCOM_SCM_PERM_RWX;
err = qcom_scm_assign_mem(fl->cctx->remote_heap->phys,
(u64)fl->cctx->remote_heap->size,
&(fl->cctx->vmperms[0].vmid), &perm, 1);
&fl->cctx->perms, &perm, 1);
if (err)
dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d",
fl->cctx->remote_heap->phys, fl->cctx->remote_heap->size, err);
@ -1433,12 +1440,7 @@ err_invoke:
fl->init_mem = NULL;
fastrpc_buf_free(imem);
err_alloc:
if (map) {
spin_lock(&fl->lock);
list_del(&map->node);
spin_unlock(&fl->lock);
fastrpc_map_put(map);
}
fastrpc_map_put(map);
err:
kfree(args);
@ -1514,10 +1516,8 @@ static int fastrpc_device_release(struct inode *inode, struct file *file)
fastrpc_context_put(ctx);
}
list_for_each_entry_safe(map, m, &fl->maps, node) {
list_del(&map->node);
list_for_each_entry_safe(map, m, &fl->maps, node)
fastrpc_map_put(map);
}
list_for_each_entry_safe(buf, b, &fl->mmaps, node) {
list_del(&buf->node);
@ -1894,12 +1894,11 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp)
/* Add memory to static PD pool, protection thru hypervisor */
if (req.flags != ADSP_MMAP_REMOTE_HEAP_ADDR && fl->cctx->vmcount) {
struct qcom_scm_vmperm perm;
int err = 0;
perm.vmid = QCOM_SCM_VMID_HLOS;
perm.perm = QCOM_SCM_PERM_RWX;
err = qcom_scm_assign_mem(buf->phys, buf->size,
&(fl->cctx->vmperms[0].vmid), &perm, 1);
&fl->cctx->perms, &perm, 1);
if (err) {
dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d",
buf->phys, buf->size, err);

12
drivers/misc/mei/bus.c
View File

@ -702,13 +702,15 @@ void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size)
if (cl->state == MEI_FILE_UNINITIALIZED) {
ret = mei_cl_link(cl);
if (ret)
goto out;
goto notlinked;
/* update pointers */
cl->cldev = cldev;
}
ret = mei_cl_dma_alloc_and_map(cl, NULL, buffer_id, size);
out:
if (ret)
mei_cl_unlink(cl);
notlinked:
mutex_unlock(&bus->device_lock);
if (ret)
return ERR_PTR(ret);
@ -758,7 +760,7 @@ int mei_cldev_enable(struct mei_cl_device *cldev)
if (cl->state == MEI_FILE_UNINITIALIZED) {
ret = mei_cl_link(cl);
if (ret)
goto out;
goto notlinked;
/* update pointers */
cl->cldev = cldev;
}
@ -785,6 +787,9 @@ int mei_cldev_enable(struct mei_cl_device *cldev)
}
out:
if (ret)
mei_cl_unlink(cl);
notlinked:
mutex_unlock(&bus->device_lock);
return ret;
@ -1277,7 +1282,6 @@ static void mei_cl_bus_dev_release(struct device *dev)
mei_cl_flush_queues(cldev->cl, NULL);
mei_me_cl_put(cldev->me_cl);
mei_dev_bus_put(cldev->bus);
mei_cl_unlink(cldev->cl);
kfree(cldev->cl);
kfree(cldev);
}

2
drivers/misc/mei/hw-me-regs.h
View File

@ -111,6 +111,8 @@
#define MEI_DEV_ID_RPL_S 0x7A68 /* Raptor Lake Point S */
#define MEI_DEV_ID_MTL_M 0x7E70 /* Meteor Lake Point M */
/*
* MEI HW Section
*/

2
drivers/misc/mei/pci-me.c
View File

@ -118,6 +118,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
/* required last entry */
{0, }
};

49
drivers/misc/vmw_vmci/vmci_guest.c
View File

@ -56,8 +56,6 @@ struct vmci_guest_device {
bool exclusive_vectors;
struct tasklet_struct datagram_tasklet;
struct tasklet_struct bm_tasklet;
struct wait_queue_head inout_wq;
void *data_buffer;
@ -304,9 +302,8 @@ static int vmci_check_host_caps(struct pci_dev *pdev)
* This function assumes that it has exclusive access to the data
* in register(s) for the duration of the call.
*/
static void vmci_dispatch_dgs(unsigned long data)
static void vmci_dispatch_dgs(struct vmci_guest_device *vmci_dev)
{
struct vmci_guest_device *vmci_dev = (struct vmci_guest_device *)data;
u8 *dg_in_buffer = vmci_dev->data_buffer;
struct vmci_datagram *dg;
size_t dg_in_buffer_size = VMCI_MAX_DG_SIZE;
@ -465,10 +462,8 @@ static void vmci_dispatch_dgs(unsigned long data)
* Scans the notification bitmap for raised flags, clears them
* and handles the notifications.
*/
static void vmci_process_bitmap(unsigned long data)
static void vmci_process_bitmap(struct vmci_guest_device *dev)
{
struct vmci_guest_device *dev = (struct vmci_guest_device *)data;
if (!dev->notification_bitmap) {
dev_dbg(dev->dev, "No bitmap present in %s\n", __func__);
return;
@ -486,13 +481,13 @@ static irqreturn_t vmci_interrupt(int irq, void *_dev)
struct vmci_guest_device *dev = _dev;
/*
* If we are using MSI-X with exclusive vectors then we simply schedule
* the datagram tasklet, since we know the interrupt was meant for us.
* If we are using MSI-X with exclusive vectors then we simply call
* vmci_dispatch_dgs(), since we know the interrupt was meant for us.
* Otherwise we must read the ICR to determine what to do.
*/
if (dev->exclusive_vectors) {
tasklet_schedule(&dev->datagram_tasklet);
vmci_dispatch_dgs(dev);
} else {
unsigned int icr;
@ -502,12 +497,12 @@ static irqreturn_t vmci_interrupt(int irq, void *_dev)
return IRQ_NONE;
if (icr & VMCI_ICR_DATAGRAM) {
tasklet_schedule(&dev->datagram_tasklet);
vmci_dispatch_dgs(dev);
icr &= ~VMCI_ICR_DATAGRAM;
}
if (icr & VMCI_ICR_NOTIFICATION) {
tasklet_schedule(&dev->bm_tasklet);
vmci_process_bitmap(dev);
icr &= ~VMCI_ICR_NOTIFICATION;
}
@ -536,7 +531,7 @@ static irqreturn_t vmci_interrupt_bm(int irq, void *_dev)
struct vmci_guest_device *dev = _dev;
/* For MSI-X we can just assume it was meant for us. */
tasklet_schedule(&dev->bm_tasklet);
vmci_process_bitmap(dev);
return IRQ_HANDLED;
}
@ -638,10 +633,6 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
vmci_dev->iobase = iobase;
vmci_dev->mmio_base = mmio_base;
tasklet_init(&vmci_dev->datagram_tasklet,
vmci_dispatch_dgs, (unsigned long)vmci_dev);
tasklet_init(&vmci_dev->bm_tasklet,
vmci_process_bitmap, (unsigned long)vmci_dev);
init_waitqueue_head(&vmci_dev->inout_wq);
if (mmio_base != NULL) {
@ -808,8 +799,9 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
* Request IRQ for legacy or MSI interrupts, or for first
* MSI-X vector.
*/
error = request_irq(pci_irq_vector(pdev, 0), vmci_interrupt,
IRQF_SHARED, KBUILD_MODNAME, vmci_dev);
error = request_threaded_irq(pci_irq_vector(pdev, 0), NULL,
vmci_interrupt, IRQF_SHARED,
KBUILD_MODNAME, vmci_dev);
if (error) {
dev_err(&pdev->dev, "Irq %u in use: %d\n",
pci_irq_vector(pdev, 0), error);
@ -823,9 +815,9 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
* between the vectors.
*/
if (vmci_dev->exclusive_vectors) {
error = request_irq(pci_irq_vector(pdev, 1),
vmci_interrupt_bm, 0, KBUILD_MODNAME,
vmci_dev);
error = request_threaded_irq(pci_irq_vector(pdev, 1), NULL,
vmci_interrupt_bm, 0,
KBUILD_MODNAME, vmci_dev);
if (error) {
dev_err(&pdev->dev,
"Failed to allocate irq %u: %d\n",
@ -833,9 +825,11 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
goto err_free_irq;
}
if (caps_in_use & VMCI_CAPS_DMA_DATAGRAM) {
error = request_irq(pci_irq_vector(pdev, 2),
vmci_interrupt_dma_datagram,
0, KBUILD_MODNAME, vmci_dev);
error = request_threaded_irq(pci_irq_vector(pdev, 2),
NULL,
vmci_interrupt_dma_datagram,
0, KBUILD_MODNAME,
vmci_dev);
if (error) {
dev_err(&pdev->dev,
"Failed to allocate irq %u: %d\n",
@ -871,8 +865,6 @@ err_free_bm_irq:
err_free_irq:
free_irq(pci_irq_vector(pdev, 0), vmci_dev);
tasklet_kill(&vmci_dev->datagram_tasklet);
tasklet_kill(&vmci_dev->bm_tasklet);
err_disable_msi:
pci_free_irq_vectors(pdev);
@ -943,9 +935,6 @@ static void vmci_guest_remove_device(struct pci_dev *pdev)
free_irq(pci_irq_vector(pdev, 0), vmci_dev);
pci_free_irq_vectors(pdev);
tasklet_kill(&vmci_dev->datagram_tasklet);
tasklet_kill(&vmci_dev->bm_tasklet);
if (vmci_dev->notification_bitmap) {
/*
* The device reset above cleared the bitmap state of the

6
drivers/w1/w1.c
View File

@ -1166,6 +1166,8 @@ int w1_process(void *data)
/* remainder if it woke up early */
unsigned long jremain = 0;
atomic_inc(&dev->refcnt);
for (;;) {
if (!jremain && dev->search_count) {
@ -1193,8 +1195,10 @@ int w1_process(void *data)
*/
mutex_unlock(&dev->list_mutex);
if (kthread_should_stop())
if (kthread_should_stop()) {
__set_current_state(TASK_RUNNING);
break;
}
/* Only sleep when the search is active. */
if (dev->search_count) {

5
drivers/w1/w1_int.c
View File

@ -51,10 +51,9 @@ static struct w1_master *w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
dev->search_count = w1_search_count;
dev->enable_pullup = w1_enable_pullup;
/* 1 for w1_process to decrement
* 1 for __w1_remove_master_device to decrement
/* For __w1_remove_master_device to decrement
*/
atomic_set(&dev->refcnt, 2);
atomic_set(&dev->refcnt, 1);
INIT_LIST_HEAD(&dev->slist);
INIT_LIST_HEAD(&dev->async_list);