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2018-10-29Merge branch 'parisc-4.20-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc updates from Helge Deller: "Three small patches: - A boot fix for A500 machines, crash was caused by the new alternative patching code from this merge window (Dave) - Change __kernel_suseconds_t to match glibc on 64-bit parisc (Arnd) - Use constants instead of hard-coded numbers (me)" * 'parisc-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix A500 boot crash parisc: Use LINUX_GATEWAY_SPACE constant in entry.S parisc64: change __kernel_suseconds_t to match glibc
2018-10-29drm/virtio: Handle context ID allocation errorsMatthew Wilcox
It is possible to run out of memory while allocating IDs. The current code would create a context with an invalid ID; change it to return -ENOMEM to userspace. Signed-off-by: Matthew Wilcox <willy@infradead.org> Link: http://patchwork.freedesktop.org/patch/msgid/20180926160031.15721-3-willy@infradead.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-10-29drm/virtio: Replace IDRs with IDAsMatthew Wilcox
These IDRs were only being used to allocate unique numbers, not to look up pointers, so they can use the more space-efficient IDA instead. Signed-off-by: Matthew Wilcox <willy@infradead.org> Link: http://patchwork.freedesktop.org/patch/msgid/20180926160031.15721-2-willy@infradead.org [ kraxel: resolve conflict ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-10-29drm/virtio: fix resource id handlingGerd Hoffmann
Move virtio_gpu_resource_id_{get,put} to virtgpu_object.c and make them static. Allocate and free the id on creation and destroy, drop all other calls. That way objects have a valid handle for the whole lifetime of the object. Also fixes ids leaking. Worst offender are dumb buffers, and I think some error paths too. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-7-kraxel@redhat.com
2018-10-29drm/virtio: drop resource_id argument.Gerd Hoffmann
We pass the obj anyway, so obj->hw_res_handle can be used instead in virtio_gpu_object_attach() and virtio_gpu_cmd_create_resource(). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-6-kraxel@redhat.com
2018-10-29drm/virtio: use virtio_gpu_object->hw_res_handle in ↵Gerd Hoffmann
virtio_gpu_resource_create_ioctl() Drop pointless res_id variable in virtio_gpu_resource_create_ioctl(), just use the hw_res_handle field in virtio_gpu_object directly. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-5-kraxel@redhat.com
2018-10-29drm/virtio: use virtio_gpu_object->hw_res_handle in ↵Gerd Hoffmann
virtio_gpu_mode_dumb_create() Drop pointless resid variable in virtio_gpu_mode_dumb_create(), just use the hw_res_handle field in virtio_gpu_object directly. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-4-kraxel@redhat.com
2018-10-29drm/virtio: use virtio_gpu_object->hw_res_handle in virtio_gpufb_create()Gerd Hoffmann
Drop pointless resid variable in virtio_gpufb_create(), just use the hw_res_handle field in virtio_gpu_object directly. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-3-kraxel@redhat.com
2018-10-29drm/virtio: track created object stateGerd Hoffmann
Track whenever the virtio_gpu_object is already created (i.e. host knows about it) in a new variable. Add checks to virtio_gpu_object_attach() to do nothing on objects not created yet. Make virtio_gpu_ttm_bo_destroy() use the new variable too, instead of expecting hw_res_handle indicating the object state. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181019061847.18958-2-kraxel@redhat.com
2018-10-29Merge branch 'i2c/for-4.20' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: "I2C has not so much stuff this time. Mostly driver enablement for new SoCs, some driver bugfixes, and some cleanups" * 'i2c/for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (35 commits) MAINTAINERS: add maintainer for Renesas RIIC driver i2c: sh_mobile: Remove dummy runtime PM callbacks i2c: uniphier-f: fix race condition when IRQ is cleared i2c: uniphier-f: fix occasional timeout error i2c: uniphier-f: make driver robust against concurrency i2c: i2c-qcom-geni: Simplify irq handler i2c: i2c-qcom-geni: Simplify tx/rx functions i2c: designware: Set IRQF_NO_SUSPEND flag for all BYT and CHT controllers i2c: mux: mlxcpld: simplify code to reach the adapter i2c: mux: ltc4306: simplify code to reach the adapter i2c: mux: pca954x: simplify code to reach the adapter i2c: core: remove level of indentation in i2c_transfer i2c: core: remove outdated DEBUG output i2c: zx2967: use core to detect 'no zero length' quirk i2c: tegra: use core to detect 'no zero length' quirk i2c: qup: use core to detect 'no zero length' quirk i2c: omap: use core to detect 'no zero length' quirk i2c: Convert to using %pOFn instead of device_node.name i2c: brcmstb: Allow enabling the driver on DSL SoCs eeprom: at24: fix unexpected timeout under high load ...
2018-10-29um: Make line/tty semantics use true write IRQAnton Ivanov
This fixes a long standing bug where large amounts of output could freeze the tty (most commonly seen on stdio console). While the bug has always been there it became more pronounced after moving to the new interrupt controller. The line semantics are now changed to have true IRQ write semantics which should further improve the tty/line subsystem stability and performance Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: trap: fix spelling mistake, EACCESS -> EACCESColin Ian King
Trivial fix to a spelling mistake of the error access name EACCESS, rename to EACCES Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: Don't hardcode path as it is architecture dependentRitesh Raj Sarraf
The current code fails to run on amd64 because of hardcoded reference to i386 Signed-off-by: Ritesh Raj Sarraf <rrs@researchut.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29Merge tag 'media/v4.20-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - new dvb frontend driver: lnbh29 - new sensor drivers: imx319 and imx 355 - some old soc_camera driver renames to avoid conflict with new drivers - new i.MX Pixel Pipeline (PXP) mem-to-mem platform driver - a new V4L2 frontend for the FWHT codec - several other improvements, bug fixes, code cleanups, etc * tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (289 commits) media: rename soc_camera I2C drivers media: cec: forgot to cancel delayed work media: vivid: Support 480p for webcam capture media: v4l2-tpg: fix kernel oops when enabling HFLIP and OSD media: vivid: Add 16-bit bayer to format list media: v4l2-tpg-core: Add 16-bit bayer media: pvrusb2: replace `printk` with `pr_*` media: venus: vdec: fix decoded data size media: cx231xx: fix potential sign-extension overflow on large shift media: dt-bindings: media: rcar_vin: add device tree support for r8a7744 media: isif: fix a NULL pointer dereference bug media: exynos4-is: make const array config_ids static media: cx23885: make const array addr_list static media: ivtv: make const array addr_list static media: bttv-input: make const array addr_list static media: cx18: Don't check for address of video_dev media: dw9807-vcm: Fix probe error handling media: dw9714: Remove useless error message media: dw9714: Fix error handling in probe function media: cec: name for RC passthrough device does not need 'RC for' ...
2018-10-29um: NULL check before kfree is not neededYueHaibing
kfree(NULL) is safe,so this removes NULL check before freeing the mem Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: remove unused AIO codeChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: Give start_idle_thread() a return codeRichard Weinberger
Fixes: arch/um/os-Linux/skas/process.c:613:1: warning: control reaches end of non-void function [-Wreturn-type] longjmp() never returns but gcc still warns that the end of the function can be reached. Add a return code and debug aid to detect this impossible case. Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: Remove update_debugregs()Richard Weinberger
This function is nowhere used, let's get rid of it. Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29um: Drop own definition of PTRACE_SYSEMU/_SINGLESTEPRichard Weinberger
32bit UML used to define PTRACE_SYSEMU and PTRACE_SYSEMU_SINGLESTEP own its own because many years ago not all libcs had these request codes in their UAPI. These days PTRACE_SYSEMU/_SINGLESTEP is well known and part of glibc and our own define becomes problematic. With change c48831d0eebf ("linux/x86: sync sys/ptrace.h with Linux 4.14 [BZ #22433]") glibc turned PTRACE_SYSEMU/_SINGLESTEP into a enum and UML failed to build. Let's drop our define and rely on the fact that every libc has PTRACE_SYSEMU/_SINGLESTEP. Cc: <stable@vger.kernel.org> Cc: Ritesh Raj Sarraf <rrs@researchut.com> Reported-and-tested-by: Ritesh Raj Sarraf <rrs@researchut.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2018-10-29lockd: fix access beyond unterminated strings in printsAmir Goldstein
printk format used %*s instead of %.*s, so hostname_len does not limit the number of bytes accessed from hostname. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29nfsd: Fix an Oops in free_session()Trond Myklebust
In call_xpt_users(), we delete the entry from the list, but we do not reinitialise it. This triggers the list poisoning when we later call unregister_xpt_user() in nfsd4_del_conns(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29nfsd: correctly decrement odstate refcount in error pathAndrew Elble
alloc_init_deleg() both allocates an nfs4_delegation, and bumps the refcount on odstate. So after this point, we need to put_clnt_odstate() and nfs4_put_stid() to not leave the odstate refcount inappropriately bumped. Signed-off-by: Andrew Elble <aweits@rit.edu> Reviewed-by: Jeff Layton <jlayton@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29svcrdma: Increase the default connection credit limitChuck Lever
Reduce queuing on clients by allowing more credits by default. 64 is the default NFSv4.1 slot table size on Linux clients. This size prevents the credit limit from putting RPC requests to sleep again after they have already slept waiting for a session slot. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29svcrdma: Remove try_module_get from backchannelChuck Lever
Since commit ffe1f0df5862 ("rpcrdma: Merge svcrdma and xprtrdma modules into one"), the forward and backchannel components are part of the same kernel module. A separate try_module_get() call in the backchannel code is no longer necessary. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29svcrdma: Remove ->release_rqst call in bc reply handlerChuck Lever
Similar to a change made in the client's forward channel reply handler: The xprt_release_rqst_cong() call is not necessary. Also, release xprt->recv_lock when taking xprt->transport_lock to avoid disabling and enabling BH's while holding another spin lock. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29svcrdma: Reduce max_send_sgesChuck Lever
There's no need to request a large number of send SGEs because the inline threshold already constrains the number of SGEs per Send. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29nfsd: fix fall-through annotationsGustavo A. R. Silva
Replace "fallthru" with a proper "fall through" annotation. Also, add an annotation were it is expected to fall through. These fixes are part of the ongoing efforts to enabling -Wimplicit-fallthrough Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Improve lookup performance in the duplicate reply cache using an rbtreeTrond Myklebust
Use an rbtree to ensure the lookup/insert of an entry in a DRC bucket is O(log(N)). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Further simplify the cache lookupTrond Myklebust
Order the structure so that the key can be compared using memcmp(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Simplify NFS duplicate replay cacheTrond Myklebust
Simplify the duplicate replay cache by initialising the preallocated cache entry, so that we can use it as a key for the cache lookup. Note that the 99.999% case we want to optimise for is still the one where the lookup fails, and we have to add this entry to the cache, so preinitialising should not cause a performance penalty. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Remove dead code from nfsd_cache_lookupTrond Myklebust
The preallocated cache entry is always set to type RC_NOCACHE, and that type isn't changed until we later call nfsd_cache_update(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Simplify TCP receive codeTrond Myklebust
Use the fact that the iov iterators already have functionality for skipping a base offset. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Replace the cache_detail->hash_lock with a regular spinlockTrond Myklebust
Now that the reader functions are all RCU protected, use a regular spinlock rather than a reader/writer lock. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Remove non-RCU protected lookupTrond Myklebust
Clean up the cache code by removing the non-RCU protected lookup. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29NFS: Fix up a typo in nfs_dns_ent_putTrond Myklebust
call_rcu() needs to take a first argument of type (struct rcu_head *). Fixes: fd497f1e40d9 ("NFS: Lockless DNS lookups") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29NFS: Lockless DNS lookupsTrond Myklebust
Enable RCU protected lookup in the legacy DNS resolver. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Lockless lookup of NFSv4 identities.Trond Myklebust
Enable RCU protected lookups of the NFSv4 idmap. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Lockless server RPCSEC_GSS context lookupTrond Myklebust
Use RCU protection for looking up the RPCSEC_GSS context. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29knfsd: Allow lockless lookups of the exportsTrond Myklebust
Convert structs svc_expkey and svc_export to allow RCU protected lookups. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Make server side AUTH_UNIX use lockless lookupsTrond Myklebust
Convert structs ip_map and unix_gid to use RCU protected lookups. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29SUNRPC: Allow cache lookups to use RCU protection rather than the r/w spinlockTrond Myklebust
Instead of the reader/writer spinlock, allow cache lookups to use RCU for looking up entries. This is more efficient since modifications can occur while other entries are being looked up. Note that for now, we keep the reader/writer spinlock until all users have been converted to use RCU-safe freeing of their cache entries. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-10-29drm/i915: Switch the order of function parametersDhinakaran Pandiyan
intel_fb_pitch_limit() has the parameters pixel_format and fb_modifier switched in their positions. The parameters are however used correctly, but change the order for consistency. Also use kernel data types for both parameters. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181026195342.16828-1-dhinakaran.pandiyan@intel.com
2018-10-29drm/i915: Do not program aux plane offsets on gen11+Dhinakaran Pandiyan
The PLANE_AUX_OFFSET mmio does not exist on ICL, do not program it. We'll still calculate the aux offset as it is required for adjusing x-y offsets. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181026193805.11077-2-dhinakaran.pandiyan@intel.com
2018-10-29drm/i915: Add function to check for linear surfacesDhinakaran Pandiyan
A framebuffer can comprise surfaces with distinct tiling formats, making checks against modifier alone insufficient. Make use of a function to identify a linear surface based on both modifier and color plane. v2: Typo fix v3: remove 'inline' from function definition (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181026193805.11077-1-dhinakaran.pandiyan@intel.com
2018-10-29drm/i915: Move VIDEO_DIP_CTL definitions to their right place.Dhinakaran Pandiyan
The bits weren't defined in descending order. v2: Move definitions in a separate patch (Manasi) Cc: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181005185643.31660-2-dhinakaran.pandiyan@intel.com
2018-10-29drm/i915: Fix VIDEO_DIP_CTL bit shiftsDhinakaran Pandiyan
The shifts for VSC_SELECT bits are wrong, fix it. Good thing is the definitions are unused. v2: Moves definitions in another patch (Manasi) Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Fixes: 7af2be6d54d4 ("drm/i915/icl: Add VIDEO_DIP registers") Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181005185643.31660-1-dhinakaran.pandiyan@intel.com
2018-10-29drm/i915: Simplify has_sagv functionRodrigo Vivi
The specially case for SKL for not controlled sagv is already taken care inside intel_enable_sagv, so there's no need to duplicate the check here. v2: Go one step further and remove skl special case. (Jani) v3: Separate runtime status handle from has_sagv flag. v4: Go back and accept simple Jani proposed solution. Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181026200317.21726-1-rodrigo.vivi@intel.com
2018-10-29MAINTAINERS: add maintainer for Renesas RIIC driverChris Brandt
The RIIC I2C controller is used in Renesas RZ/A SoCs. Signed-off-by: Chris Brandt <chris.brandt@renesas.com> [wsa: added documentation file] Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-10-29i2c: sh_mobile: Remove dummy runtime PM callbacksJarkko Nikula
Platform drivers don't need dummy runtime PM callbacks that just return success and non-NULL pm pointer in their struct device_driver in order to have runtime PM happening. This has changed since following commits: 05aa55dddb9e ("PM / Runtime: Lenient generic runtime pm callbacks") 543f2503a956 ("PM / platform_bus: Allow runtime PM by default") 8b313a38ecff ("PM / Platform: Use generic runtime PM callbacks directly") Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-10-29i2c: uniphier-f: fix race condition when IRQ is clearedMasahiro Yamada
The current IRQ handler clears all the IRQ status bits when it bails out. This is dangerous because it might clear away the status bits that have just been set while processing the current handler. If this happens, the IRQ event for the latest transfer is lost forever. The IRQ status bits must be cleared *before* the next transfer is kicked. Fixes: 6a62974b667f ("i2c: uniphier_f: add UniPhier FIFO-builtin I2C driver") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
generated by cgit (git 2.34.1) at 2025-09-22 04:25:32 +0000