On Sat, 30 Nov 2013 23:51:27 +0100 Gerhard Sittig <g...@denx.de> wrote:
> the setup before the change was > - arch/powerpc/Kconfig had the PPC_CLOCK option, off by default > - depending on the PPC_CLOCK option the arch/powerpc/kernel/clock.c file > was built, which implements the clk.h API but always returns -ENOSYS > unless a platform registers specific callbacks > - the MPC52xx platform selected PPC_CLOCK but did not register any > callbacks, thus all clk.h API calls keep resulting in -ENOSYS errors > (which is OK, all peripheral drivers deal with the situation) > - the MPC512x platform selected PPC_CLOCK and registered specific > callbacks implemented in arch/powerpc/platforms/512x/clock.c, thus > provided real support for the clock API > - no other powerpc platform did select PPC_CLOCK > > the situation after the change is > - the MPC512x platform implements the COMMON_CLK interface, and thus the > PPC_CLOCK approach in arch/powerpc/platforms/512x/clock.c has become > obsolete > - the MPC52xx platform still lacks genuine support for the clk.h API > while this is not a change against the previous situation (the error > code returned from COMMON_CLK stubs differs but every call still > results in an error) > - with all references gone, the arch/powerpc/kernel/clock.c wrapper and > the PPC_CLOCK option have become obsolete, as did the clk_interface.h > header file > > the switch from PPC_CLOCK to COMMON_CLK is done for all platforms within > the same commit such that multiplatform kernels (the combination of 512x > and 52xx within one executable) keep working > > Cc: Mike Turquette <mturque...@linaro.org> > Cc: Anatolij Gustschin <ag...@denx.de> > Cc: linux-arm-ker...@lists.infradead.org > Cc: linuxppc-dev@lists.ozlabs.org > Signed-off-by: Gerhard Sittig <g...@denx.de> > --- > arch/powerpc/Kconfig | 5 - > arch/powerpc/include/asm/clk_interface.h | 20 - > arch/powerpc/kernel/Makefile | 1 - > arch/powerpc/kernel/clock.c | 82 ---- > arch/powerpc/platforms/512x/Kconfig | 2 +- > arch/powerpc/platforms/512x/Makefile | 1 - > arch/powerpc/platforms/512x/clock.c | 754 > ------------------------------ > arch/powerpc/platforms/52xx/Kconfig | 2 +- > 8 files changed, 2 insertions(+), 865 deletions(-) > delete mode 100644 arch/powerpc/include/asm/clk_interface.h > delete mode 100644 arch/powerpc/kernel/clock.c > delete mode 100644 arch/powerpc/platforms/512x/clock.c applied to next. Thanks! Anatolij _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
