6.17-stable review patch. If anyone has any objections, please let me know.
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From: Jarkko Nikula jarkko.nikula@linux.intel.com
commit 9395b3c412933401a34845d5326afe4011bbd40f upstream.
Commit 3a379bbcea0a ("i3c: Add core I3C infrastructure") set the default adapter timeout for I2C transfers as 1000 (ms). However that parameter is defined in jiffies not in milliseconds.
With mipi-i3c-hci driver this wasn't visible until commit c0a90eb55a69 ("i3c: mipi-i3c-hci: use adapter timeout value for I2C transfers").
Fix this by setting the default timeout as HZ (CONFIG_HZ) not 1000.
Fixes: 1b84691e7870 ("i3c: dw: use adapter timeout value for I2C transfers") Fixes: be27ed672878 ("i3c: master: cdns: use adapter timeout value for I2C transfers") Fixes: c0a90eb55a69 ("i3c: mipi-i3c-hci: use adapter timeout value for I2C transfers") Fixes: a747e01adad2 ("i3c: master: svc: use adapter timeout value for I2C transfers") Fixes: d028219a9f14 ("i3c: master: Add basic driver for the Renesas I3C controller") Fixes: 3a379bbcea0a ("i3c: Add core I3C infrastructure") Cc: stable@vger.kernel.org # 6.17 Signed-off-by: Jarkko Nikula jarkko.nikula@linux.intel.com Reviewed-by: Frank Li Frank.Li@nxp.com Reviewed-by: Wolfram Sang wsa+renesas@sang-engineering.com Link: https://lore.kernel.org/r/20250905100320.954536-1-jarkko.nikula@linux.intel.... Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/i3c/master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -2492,7 +2492,7 @@ static int i3c_master_i2c_adapter_init(s strscpy(adap->name, dev_name(master->dev.parent), sizeof(adap->name));
/* FIXME: Should we allow i3c masters to override these values? */ - adap->timeout = 1000; + adap->timeout = HZ; adap->retries = 3;
id = of_alias_get_id(master->dev.of_node, "i2c");