Hi all, After merging the tty tree, today's linux-next build (x86 allmodconfig) failed like this: In file included from /tmp/next/build/include/linux/device.h:15, from /tmp/next/build/include/linux/node.h:18, from /tmp/next/build/include/linux/cpu.h:17, from /tmp/next/build/include/linux/of_device.h:5, from /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:14: /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_set_termios': /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1039:4: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Werror=format=] 1039 | "Couldn't find suitable clock rate for %lu\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /tmp/next/build/include/linux/dev_printk.h:110:16: note: in definition of macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ^~~ /tmp/next/build/include/linux/dev_printk.h:144:49: note: in expansion of macro 'dev_fmt' 144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1038:3: note: in expansion of macro 'dev_err' 1038 | dev_err(port->se.dev, | ^~~~~~~ /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1039:45: note: format string is defined here 1039 | "Couldn't find suitable clock rate for %lu\n", | ~~^ | | | long unsigned int | %u In file included from /tmp/next/build/include/linux/printk.h:573, from /tmp/next/build/include/linux/kernel.h:29, from /tmp/next/build/include/linux/clk.h:13, from /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:7: /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1044:24: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'unsigned int' [-Werror=format=] 1044 | dev_dbg(port->se.dev, "desired_rate-%lu, clk_rate-%lu, clk_div-%u\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /tmp/next/build/include/linux/dynamic_debug.h:134:15: note: in definition of macro '__dynamic_func_call' 134 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ /tmp/next/build/include/linux/dynamic_debug.h:166:2: note: in expansion of macro '_dynamic_func_call' 166 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ /tmp/next/build/include/linux/dev_printk.h:155:2: note: in expansion of macro 'dynamic_dev_dbg' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ /tmp/next/build/include/linux/dev_printk.h:155:23: note: in expansion of macro 'dev_fmt' 155 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1044:2: note: in expansion of macro 'dev_dbg' 1044 | dev_dbg(port->se.dev, "desired_rate-%lu, clk_rate-%lu, clk_div-%u\n", | ^~~~~~~ /tmp/next/build/drivers/tty/serial/qcom_geni_serial.c:1044:40: note: format string is defined here 1044 | dev_dbg(port->se.dev, "desired_rate-%lu, clk_rate-%lu, clk_div-%u\n", | ~~^ | | | long unsigned int | %u Caused by commit c474c775716edd46a5 ("tty: serial: qcom-geni-serial: Fix get_clk_div_rate() which otherwise could return a sub-optimal clock rate.") I have used the tree from 20220727 instead.