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| author | Adrian Hunter <adrian.hunter@intel.com> | 2026-06-03 12:07:49 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2026-06-14 17:21:34 +0200 |
| commit | 3cfb40ba9501e35ee4b8a4a244f0b3817dfffdec (patch) | |
| tree | eee3129a97080c7056c14b4b5b4e8dd4578a5d3d /drivers/i3c | |
| parent | 352d89067f78f27fc7b72e571fadf08d1d637ecb (diff) | |
| download | linux-next-3cfb40ba9501e35ee4b8a4a244f0b3817dfffdec.tar.gz linux-next-3cfb40ba9501e35ee4b8a4a244f0b3817dfffdec.zip | |
i3c: mipi-i3c-hci: Factor out reset-and-restore helper
Factor the reset-and-restore sequence out of i3c_hci_rpm_resume() into
a separate helper.
This allows the same logic to be reused for recovery paths in subsequent
changes without duplicating suspend/resume handling.
No functional change.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260603090754.16252-13-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/core.c | 19 | ||||
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/hci.h | 2 |
2 files changed, 19 insertions, 2 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c index 8274c84b16be..12a0122fb709 100644 --- a/drivers/i3c/master/mipi-i3c-hci/core.c +++ b/drivers/i3c/master/mipi-i3c-hci/core.c @@ -798,9 +798,8 @@ int i3c_hci_rpm_suspend(struct device *dev) } EXPORT_SYMBOL_GPL(i3c_hci_rpm_suspend); -int i3c_hci_rpm_resume(struct device *dev) +static int i3c_hci_do_reset_and_restore(struct i3c_hci *hci) { - struct i3c_hci *hci = dev_get_drvdata(dev); int ret; ret = i3c_hci_reset_and_init(hci); @@ -821,6 +820,22 @@ int i3c_hci_rpm_resume(struct device *dev) return 0; } + +int i3c_hci_reset_and_restore(struct i3c_hci *hci) +{ + i3c_hci_bus_disable(hci); + + hci->io->suspend(hci); + + return i3c_hci_do_reset_and_restore(hci); +} + +int i3c_hci_rpm_resume(struct device *dev) +{ + struct i3c_hci *hci = dev_get_drvdata(dev); + + return i3c_hci_do_reset_and_restore(hci); +} EXPORT_SYMBOL_GPL(i3c_hci_rpm_resume); static int i3c_hci_runtime_suspend(struct device *dev) diff --git a/drivers/i3c/master/mipi-i3c-hci/hci.h b/drivers/i3c/master/mipi-i3c-hci/hci.h index 97c31a315a6e..a3151c26827e 100644 --- a/drivers/i3c/master/mipi-i3c-hci/hci.h +++ b/drivers/i3c/master/mipi-i3c-hci/hci.h @@ -175,4 +175,6 @@ int i3c_hci_process_xfer(struct i3c_hci *hci, struct hci_xfer *xfer, int n); int i3c_hci_rpm_suspend(struct device *dev); int i3c_hci_rpm_resume(struct device *dev); +int i3c_hci_reset_and_restore(struct i3c_hci *hci); + #endif |