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2019-07-08ceph: fix decode_locker to use ceph_decode_entity_addrJeff Layton
Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: have MDS map decoding use entity_addr_t decoderJeff Layton
Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: correctly decode ADDR2 addresses in incremental OSD mapsJeff Layton
Given the new format, we have to decode the addresses twice. Once to skip past the new_up_client field, and a second time to collect the addresses. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: fix watch_item_t decoding to use ceph_decode_entity_addrJeff Layton
While we're in there, let's also fix up the decoder to do proper bounds checking. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: switch osdmap decoding to use ceph_decode_entity_addrJeff Layton
Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: ADDR2 support for monmapJeff Layton
Switch the MonMap decoder to use the new decoding routine for entity_addr_t's. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: add ceph_decode_entity_addrJeff Layton
Add a function for decoding an entity_addr_t. Once CEPH_FEATURE_MSG_ADDR2 is enabled, the server daemons will start encoding entity_addr_t differently. Add a new helper function that can handle either format. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: fix sa_family just after reading addressJeff Layton
It doesn't make sense to leave it undecoded until later. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: remove request from waiting list before unregisterYan, Zheng
Link: https://tracker.ceph.com/issues/40339 Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: don't blindly unregister session that is in opening stateYan, Zheng
handle_cap_export() may add placeholder caps to session that is in opening state. These caps' session pointer become wild after session get unregistered. The fix is not to unregister session in opening state during mds failovers, just let client to reconnect later when mds is recovered. Link: https://tracker.ceph.com/issues/40190 Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix infinite loop in get_quota_realm()Yan, Zheng
get_quota_realm() enters infinite loop if quota inode has no caps. This can happen after client gets evicted. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Luis Henriques <lhenriques@suse.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: add selinux supportYan, Zheng
When creating new file/directory, use security_dentry_init_security() to prepare selinux context for the new inode, then send openc/mkdir request to MDS, together with selinux xattr. security_dentry_init_security() only supports single security module and only selinux has dentry_init_security hook. So only selinux is supported for now. We can add support for other security modules once kernel has a generic version of dentry_init_security() Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: rename struct ceph_acls_info to ceph_acl_sec_ctxYan, Zheng
Also rename ceph_release_acls_info() to ceph_release_acl_sec_ctx(). And move their definitions to different files. This is preparation for security label support. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix debug print format in __set_xattr()Yan, Zheng
name is not '\0' terminated. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix warning PTR_ERR_OR_ZERO can be usedHariprasad Kelam
change1: fix below warning reported by coccicheck /fs/ceph/export.c:371:33-39: WARNING: PTR_ERR_OR_ZERO can be used change2: typecasted PTR_ERR_OR_ZERO to long as dout expecting long Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: hold i_ceph_lock when removing caps for freeing inodeYan, Zheng
ceph_d_revalidate(, LOOKUP_RCU) may call __ceph_caps_issued_mask() on a freeing inode. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: ensure d_name/d_parent stability in ceph_mdsc_lease_send_msg()Yan, Zheng
Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: use READ_ONCE to access d_parent in RCU critical sectionYan, Zheng
Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix dir_lease_is_valid()Yan, Zheng
It should call __ceph_dentry_dir_lease_touch() under dentry->d_lock. Besides, ceph_dentry(dentry) can be NULL when called by LOOKUP_RCU d_revalidate() Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: close race between d_name_cmp() and update_dentry_lease()Yan, Zheng
d_name_cmp() and update_dentry_lease() lock and unlock dentry->d_lock respectively. Dentry may get renamed between them. The fix is moving the dentry name compare into update_dentry_lease(). This patch introduce two version of update_dentry_lease(). One version is for the case that parent inode is locked. It does not need to check parent/target inode and dentry name. Another version is for the case that parent inode is not locked. It checks parent/target inode and dentry name after locking dentry->d_lock. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix improper use of smp_mb__before_atomic()Andrea Parri
This barrier only applies to the read-modify-write operations; in particular, it does not apply to the atomic64_set() primitive. Replace the barrier with an smp_mb(). Fixes: fdd4e15838e59 ("ceph: rework dcache readdir") Reported-by: "Paul E. McKenney" <paulmck@linux.ibm.com> Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix "ceph.dir.rctime" vxattr valueDavid Disseldorp
The vxattr value incorrectly places a "09" prefix to the nanoseconds field, instead of providing it as a zero-pad width specifier after '%'. Fixes: 3489b42a72a4 ("ceph: fix three bugs, two in ceph_vxattrcb_file_layout()") Link: https://tracker.ceph.com/issues/39943 Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: remove unused vxattr length helpersDavid Disseldorp
ceph_listxattr() now calculates the length of vxattrs dynamically, so these helpers, which incorrectly ignore vxattr.exists_cb(), can be removed. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: fix listxattr vxattr buffer length calculationDavid Disseldorp
ceph_listxattr() incorrectly returns a length based on the static ceph_vxattrs_name_size() value, which only takes into account whether vxattrs are hidden, ignoring vxattr.exists_cb(). When filling the xattr buffer ceph_listxattr() checks VXATTR_FLAG_HIDDEN and vxattr.exists_cb(). If both are false, we return an incorrect (oversize) length. Fix this behaviour by always calculating the vxattrs length at runtime, taking both vxattr.hidden and vxattr.exists_cb() into account. This bug is only exposed with the new "ceph.snap.btime" vxattr, as all other vxattrs with a non-null exists_cb also carry VXATTR_FLAG_HIDDEN. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: add ceph.snap.btime vxattrDavid Disseldorp
The ceph.snap.btime virtual xattr provides the snapshot creation (birth) time in $secs.$nsecs format. Link: https://tracker.ceph.com/issues/38838 Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: carry snapshot creation time with inodesDavid Disseldorp
MDS InodeStat v3 wire structures include a trailing snapshot creation time member. Unmarshall this and retain it for a future vxattr. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: clean up ceph.dir.pin vxattr name sizeof()David Disseldorp
.name_size should use the same string as .name. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08ceph: silence a checker warning in mdsc_show()Dan Carpenter
The problem is that if ceph_mdsc_build_path() fails then we set "path" to NULL and the "pathlen" variable is uninitialized. Then we call ceph_mdsc_free_path(path, pathlen) to clean up. Since "path" is NULL, the function is a no-op but Smatch and UBSan still complain that "pathlen" is uninitialized. This patch doesn't change run time, it just silence the warnings. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08libceph: remove ceph_get_direct_page_vector()Christoph Hellwig
This function is entirely unused. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-07-08PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()Hou Zhiqiang
The current INTx handling function clears all interrupts after handling the first pending; this can potentially cause missing INTx detection. Fix the code to clear only the handled INTx IRQ. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in> Acked-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in> Tested-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
2019-07-08PCI: mobiveil: Fix infinite-loop in the INTx handling functionHou Zhiqiang
In the loop handling INTx interrupts in mobiveil_pcie_isr(), there is no code to update the loop control variable, which is causing an infinite loop. Fix the code by reading the interrupt status registers inside the loop. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in> Acked-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in> Tested-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
2019-07-08PCI: mobiveil: Move PCIe PIO enablement out of inbound window routineHou Zhiqiang
Move the PCIe PIO master enablement to function mobiveil_host_init(). Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Add upper 32-bit PCI base address setup in inbound windowHou Zhiqiang
Current code erroneously sets-up the lower 32-bit PCI base address in the inbound window, which results in inbound transactions not working in 64-bit platforms. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Add upper 32-bit CPU base address setup in outbound windowHou Zhiqiang
Current code erroneously sets-up only the lower 32-bit CPU base address in the outbound window, which results in outbound transactions not working in 64-bit platforms. Fix it. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Mask out hardcoded bits in inbound/outbound windows setupHou Zhiqiang
The lower 10 bits of window size field are hardcoded to zero in HW so they can't really be changed but the lower 10-bit of PAB_AXI_AMAP_CTRL register are used for control fields, so while programming inbound and outbout windows decoding we should mask out the lower 10-bit of window size to prevent overriding the control bits. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Clear the control fields before updating itHou Zhiqiang
While programming the inbound and outbound windows in program_{ib/ob}_windows() we shoud clear the control fields in the registers before programming it with a new value to prevent stale bits from older configuration. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Add configured inbound windows counterHou Zhiqiang
Current code only keeps track of the number of outbound windows configured but it does not for inbound windows. Add a counter to keep track of initialized inbound windows. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Fix the valid check for inbound and outbound windowsHou Zhiqiang
In program_ib/ob_windows() check the window index from the function parameter instead of the total number of initialized windows to determine if the specified window is valid. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Clean-up program_{ib/ob}_windows()Hou Zhiqiang
In function program_ob_windows(), remove the redundant read operations to registers PAB_AXI_AMAP_AXI_WIN and PAB_AXI_AMAP_PEX_WIN_H, and remove the useless definition of 'value'. Rename the parameter 'config_io_bit' to 'type' and then remove the definition of 'type'. In function program_ib_windows(), remove the definitions of 'pio_ctrl_val' and 'amap_ctrl_dw' and reduce to only one variable 'value' to keep the temporary value read from registers. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Remove an unnecessary return value checkHou Zhiqiang
The memory for the host controller private structure (struct mobiveil_pcie) is allocated together with the pci_host_bridge structure in function devm_pci_alloc_host_bridge(), so it is unnecessary to check the return value when get the private structure pointer. Remove the useless check. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Fix error return valuesHou Zhiqiang
Some error return values in the host controller driver are either unconventional or plain wrong. Update them all with the expected return values. Signed-off-by: Hou Zhiqiang <Zhinqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Refactor the MEM/IO outbound window initializationHou Zhiqiang
Move the resource type check into an if/else block and only set-up the outbound window for MEM and IO resource. No functional change intended. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
2019-07-08PCI: mobiveil: Make some register updates more readableHou Zhiqiang
To make some register updates more readable use a temporary value to hold the register value and carry out the update. Change the register update sequence to: - Read out the original value from the target register - Update the value - Program the updated value back to the register Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
2019-07-08PCI: mobiveil: Reformat the code for readabilityHou Zhiqiang
Reformat the code to make it more readable. No functional change intended. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
2019-07-08dt-bindings: PCI: mobiveil: Change gpio_slave and apb_csr to optionalHou Zhiqiang
Change the "gpio_slave" and "apb_csr" to optional, the "gpio_slave" is not used in current code, and "apb_csr" is not used by some platforms. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Fix devfn check in mobiveil_pcie_valid_device()Hou Zhiqiang
Current check for devfn number in mobiveil_pci_valid_device() is wrong in that it flags as invalid functions present in PCI device 0 in the root bus while it is perfectly valid to access all functions in PCI device 0 in the root bus. Update the check in mobiveil_pci_valid_device() to fix the issue. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
2019-07-08PCI: mobiveil: Initialize Primary/Secondary/Subordinate bus numbersHou Zhiqiang
The reset value of Primary, Secondary and Subordinate bus numbers is zero which is a broken setup. Program a sensible default value for Primary/Secondary/Subordinate bus numbers. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Move IRQ chained handler setup out of DT parseHou Zhiqiang
The irq_set_chained_handler_and_data() call is not dependent on device tree firmware so it should be moved out of the DT parsing function for clarity. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> [lorenzo.pieralisi@arm.com: rewritten commit log] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Move the link up waiting out of mobiveil_host_init()Hou Zhiqiang
The host initializing sequence does not depend on the PCIe link being up, so move the link up check right before the code scanning the root bus for enumeration. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
2019-07-08PCI: mobiveil: Fix the Class Code fieldHou Zhiqiang
Fix up the Class Code field in PCI configuration space and set it to PCI_CLASS_BRIDGE_PCI. Move the Class Code fixup to function mobiveil_host_init() where it belongs. Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver") Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
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