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Char/Misc fixes for 5.7-rc7

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Here are some small char/misc driver fixes for 5.7-rc7 that resolve some
 reported issues.  Included in here are tiny fixes for the mei,
 coresight, rtsx, ipack, and mhi drivers.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are some small char/misc driver fixes for 5.7-rc7 that resolve
  some reported issues. Included in here are tiny fixes for the mei,
  coresight, rtsx, ipack, and mhi drivers.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  misc: rtsx: Add short delay after exit from ASPM
  bus: mhi: core: Fix some error return code
  ipack: tpci200: fix error return code in tpci200_register()
  coresight: cti: remove incorrect NULL return check
  mei: release me_cl object reference
This commit is contained in:
Linus Torvalds 2020-05-23 11:02:42 -07:00
commit 0e36fd45e3
5 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/bus/mhi/core/init.c
View file

@ -291,6 +291,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
} }
/* Setup cmd context */ /* Setup cmd context */
ret = -ENOMEM;
mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl, mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl,
sizeof(*mhi_ctxt->cmd_ctxt) * sizeof(*mhi_ctxt->cmd_ctxt) *
NR_OF_CMD_RINGS, NR_OF_CMD_RINGS,
@ -1100,6 +1101,7 @@ static int mhi_driver_probe(struct device *dev)
} }
} }
ret = -EINVAL;
if (dl_chan) { if (dl_chan) {
/* /*
* If channel supports LPM notifications then status_cb should * If channel supports LPM notifications then status_cb should

4
drivers/hwtracing/coresight/coresight-cti-platform.c
View file

@ -120,7 +120,7 @@ static int cti_plat_create_v8_etm_connection(struct device *dev,
/* Can optionally have an etm node - return if not */ /* Can optionally have an etm node - return if not */
cs_fwnode = fwnode_find_reference(root_fwnode, CTI_DT_CSDEV_ASSOC, 0); cs_fwnode = fwnode_find_reference(root_fwnode, CTI_DT_CSDEV_ASSOC, 0);
if (IS_ERR_OR_NULL(cs_fwnode)) if (IS_ERR(cs_fwnode))
return 0; return 0;
/* allocate memory */ /* allocate memory */
@ -393,7 +393,7 @@ static int cti_plat_create_connection(struct device *dev,
/* associated device ? */ /* associated device ? */
cs_fwnode = fwnode_find_reference(fwnode, cs_fwnode = fwnode_find_reference(fwnode,
CTI_DT_CSDEV_ASSOC, 0); CTI_DT_CSDEV_ASSOC, 0);
if (!IS_ERR_OR_NULL(cs_fwnode)) { if (!IS_ERR(cs_fwnode)) {
assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode, assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
&csdev); &csdev);
fwnode_handle_put(cs_fwnode); fwnode_handle_put(cs_fwnode);

1
drivers/ipack/carriers/tpci200.c
View file

@ -306,6 +306,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to map driver user space!", "(bn 0x%X, sn 0x%X) failed to map driver user space!",
tpci200->info->pdev->bus->number, tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn); tpci200->info->pdev->devfn);
res = -ENOMEM;
goto out_release_mem8_space; goto out_release_mem8_space;
} }

3
drivers/misc/cardreader/rtsx_pcr.c
View file

@ -142,6 +142,9 @@ static void rtsx_comm_pm_full_on(struct rtsx_pcr *pcr)
rtsx_disable_aspm(pcr); rtsx_disable_aspm(pcr);
/* Fixes DMA transfer timout issue after disabling ASPM on RTS5260 */
msleep(1);
if (option->ltr_enabled) if (option->ltr_enabled)
rtsx_set_ltr_latency(pcr, option->ltr_active_latency); rtsx_set_ltr_latency(pcr, option->ltr_active_latency);

2
drivers/misc/mei/client.c
View file

@ -266,6 +266,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
down_write(&dev->me_clients_rwsem); down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid(dev, uuid); me_cl = __mei_me_cl_by_uuid(dev, uuid);
__mei_me_cl_del(dev, me_cl); __mei_me_cl_del(dev, me_cl);
mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem); up_write(&dev->me_clients_rwsem);
} }
@ -287,6 +288,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
down_write(&dev->me_clients_rwsem); down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id); me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
__mei_me_cl_del(dev, me_cl); __mei_me_cl_del(dev, me_cl);
mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem); up_write(&dev->me_clients_rwsem);
} }