Declaring a static function in a header leads to a warning every time that header gets included without the function being used: In file included from drivers/net/dsa/mv88e6xxx/chip.c:42: drivers/net/dsa/mv88e6xxx/ptp.h:92:13: error: 'mv88e6xxx_hwtstamp_work' defined but not used [-Werror=unused-function] static long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp) In file included from drivers/net/dsa/mv88e6xxx/chip.c:38: drivers/net/dsa/mv88e6xxx/global2.h:355:12: error: 'mv88e6xxx_g2_wait' defined but not used [-Werror=unused-function] static int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask) ^~~~~~~~~~~~~~~~~ drivers/net/dsa/mv88e6xxx/global2.h:350:12: error: 'mv88e6xxx_g2_update' defined but not used [-Werror=unused-function] static int mv88e6xxx_g2_update(struct mv88e6xxx_chip *chip, int reg, u16 update) ^~~~~~~~~~~~~~~~~~~ drivers/net/dsa/mv88e6xxx/global2.h:345:12: error: 'mv88e6xxx_g2_write' defined but not used [-Werror=unused-function] static int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val) ^~~~~~~~~~~~~~~~~~ drivers/net/dsa/mv88e6xxx/global2.h:340:12: error: 'mv88e6xxx_g2_read' defined but not used [-Werror=unused-function] static int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val) This marks all such functions in dsa inline to make sure we don't warn about them. Fixes: c6fe0ad2c349 ("net: dsa: mv88e6xxx: add rx/tx timestamping support") Fixes: 0d632c3d6fe3 ("net: dsa: mv88e6xxx: add accessors for PTP/TAI registers") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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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