Arnd Bergmann 14fe1e858c sata: nv: fix debug format string mismatch
Turning on debugging in this this driver reveals a type mismatch:

In file included from include/linux/kernel.h:17,
                 from drivers/ata/sata_nv.c:23:
drivers/ata/sata_nv.c: In function 'nv_swncq_sdbfis':
drivers/ata/sata_nv.c:2121:10: error: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'u64' {aka 'long long unsigned int'} [-Werror=format=]
 2121 |  DPRINTK("id 0x%x QC: qc_active 0x%x,"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
......
 2124 |   ap->print_id, ap->qc_active, pp->qc_active,
      |                 ~~~~~~~~~~~~~
      |                   |
      |                   u64 {aka long long unsigned int}
include/linux/printk.h:142:10: note: in definition of macro 'no_printk'
  142 |   printk(fmt, ##__VA_ARGS__);  \
      |          ^~~
drivers/ata/sata_nv.c:2121:2: note: in expansion of macro 'DPRINTK'
 2121 |  DPRINTK("id 0x%x QC: qc_active 0x%x,"
      |  ^~~~~~~
drivers/ata/sata_nv.c:2121:36: note: format string is defined here
 2121 |  DPRINTK("id 0x%x QC: qc_active 0x%x,"
      |                                   ~^
      |                                    |
      |                                    unsigned int
      |                                   %llx

Use the correct format string for the u64 type.

Fixes: e3ed893964 ("libata: bump ->qc_active to a 64-bit type")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210514140105.3080580-1-arnd@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-05-17 09:13:08 -06:00
2021-05-07 00:26:34 -07:00
2021-05-14 19:41:32 -07:00
2021-05-16 15:27:44 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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