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Message-Id: <3F4D4A39-3063-45F5-8B0E-3CD5F36B4035@kernel.crashing.org> Date: Mon, 14 Oct 2013 14:40:44 -0500 From: Kumar Gala <galak@...nel.crashing.org> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Scott Wood <scottwood@...escale.com>, Xie Xiaobo <X.Xie@...escale.com>, "linuxppc-dev@...ts.ozlabs.org list" <linuxppc-dev@...ts.ozlabs.org>, Linux Kernel list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] powerpc/qe_lib: Share the qe_lib for the others architecture On Oct 14, 2013, at 2:26 PM, Kumar Gala wrote: > > On Oct 14, 2013, at 6:37 AM, Xie Xiaobo wrote: > >> The QUICC Engine (QE) is a communications coprocessors on Freescale >> embedded processors. The QE had been applied in PowerPC architecture >> previously, and it will be applied in ARM architecture too. >> So move the qe_lib from arch/powerpc to driver/ firstly. >> >> Signed-off-by: Xie Xiaobo <X.Xie@...escale.com> >> --- >> arch/powerpc/Kconfig | 2 - >> arch/powerpc/include/asm/immap_qe.h | 491 ----------------- >> arch/powerpc/include/asm/qe.h | 740 ------------------------- >> arch/powerpc/include/asm/qe_ic.h | 144 ----- >> arch/powerpc/include/asm/ucc.h | 64 --- >> arch/powerpc/include/asm/ucc_fast.h | 244 -------- >> arch/powerpc/include/asm/ucc_slow.h | 290 ---------- >> arch/powerpc/platforms/85xx/mpc85xx_mds.c | 4 +- >> arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 4 +- >> arch/powerpc/platforms/Kconfig | 19 - >> arch/powerpc/sysdev/Makefile | 1 - >> arch/powerpc/sysdev/qe_lib/Kconfig | 27 - >> arch/powerpc/sysdev/qe_lib/Makefile | 10 - >> arch/powerpc/sysdev/qe_lib/gpio.c | 317 ----------- >> arch/powerpc/sysdev/qe_lib/qe.c | 708 ------------------------ >> arch/powerpc/sysdev/qe_lib/qe_ic.c | 501 ----------------- >> arch/powerpc/sysdev/qe_lib/qe_ic.h | 103 ---- >> arch/powerpc/sysdev/qe_lib/qe_io.c | 218 -------- >> arch/powerpc/sysdev/qe_lib/ucc.c | 213 ------- >> arch/powerpc/sysdev/qe_lib/ucc_fast.c | 364 ------------ >> arch/powerpc/sysdev/qe_lib/ucc_slow.c | 380 ------------- >> arch/powerpc/sysdev/qe_lib/usb.c | 56 -- >> drivers/Kconfig | 2 + >> drivers/Makefile | 3 + >> drivers/net/ethernet/freescale/fsl_pq_mdio.c | 2 +- >> drivers/net/ethernet/freescale/ucc_geth.c | 8 +- >> drivers/net/ethernet/freescale/ucc_geth.h | 8 +- >> drivers/qe/Kconfig | 51 ++ >> drivers/qe/Makefile | 10 + >> drivers/qe/gpio.c | 317 +++++++++++ >> drivers/qe/qe.c | 708 ++++++++++++++++++++++++ >> drivers/qe/qe_common.c | 187 +++++++ >> drivers/qe/qe_ic.c | 501 +++++++++++++++++ >> drivers/qe/qe_ic.h | 103 ++++ >> drivers/qe/qe_io.c | 218 ++++++++ >> drivers/qe/ucc.c | 213 +++++++ >> drivers/qe/ucc_fast.c | 364 ++++++++++++ >> drivers/qe/ucc_slow.c | 380 +++++++++++++ >> drivers/qe/usb.c | 56 ++ >> drivers/spi/spi-fsl-cpm.c | 2 +- >> drivers/tty/serial/ucc_uart.c | 2 +- >> include/qe/immap_qe.h | 491 +++++++++++++++++ >> include/qe/qe.h | 794 +++++++++++++++++++++++++++ >> include/qe/qe_ic.h | 144 +++++ >> include/qe/ucc.h | 64 +++ >> include/qe/ucc_fast.h | 244 ++++++++ >> include/qe/ucc_slow.h | 290 ++++++++++ >> 47 files changed, 5155 insertions(+), 4907 deletions(-) >> delete mode 100644 arch/powerpc/include/asm/immap_qe.h >> delete mode 100644 arch/powerpc/include/asm/qe.h >> delete mode 100644 arch/powerpc/include/asm/qe_ic.h >> delete mode 100644 arch/powerpc/include/asm/ucc.h >> delete mode 100644 arch/powerpc/include/asm/ucc_fast.h >> delete mode 100644 arch/powerpc/include/asm/ucc_slow.h >> delete mode 100644 arch/powerpc/sysdev/qe_lib/Kconfig >> delete mode 100644 arch/powerpc/sysdev/qe_lib/Makefile >> delete mode 100644 arch/powerpc/sysdev/qe_lib/gpio.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/qe.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/qe_ic.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/qe_ic.h >> delete mode 100644 arch/powerpc/sysdev/qe_lib/qe_io.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/ucc.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/ucc_fast.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/ucc_slow.c >> delete mode 100644 arch/powerpc/sysdev/qe_lib/usb.c >> create mode 100644 drivers/qe/Kconfig >> create mode 100644 drivers/qe/Makefile >> create mode 100644 drivers/qe/gpio.c >> create mode 100644 drivers/qe/qe.c >> create mode 100644 drivers/qe/qe_common.c >> create mode 100644 drivers/qe/qe_ic.c >> create mode 100644 drivers/qe/qe_ic.h >> create mode 100644 drivers/qe/qe_io.c >> create mode 100644 drivers/qe/ucc.c >> create mode 100644 drivers/qe/ucc_fast.c >> create mode 100644 drivers/qe/ucc_slow.c >> create mode 100644 drivers/qe/usb.c >> create mode 100644 include/qe/immap_qe.h >> create mode 100644 include/qe/qe.h >> create mode 100644 include/qe/qe_ic.h >> create mode 100644 include/qe/ucc.h >> create mode 100644 include/qe/ucc_fast.h >> create mode 100644 include/qe/ucc_slow.h > > Before this is moved you should address the PPC specific issues in the code. Use of PPC_LIB_RHEAP, the IO macros which are not cross platform, etc. > > Also, copy linux-kernel list as I'm not sure drivers/qe would be the recommendation location for this to end up at. Greg, Wondering your thoughts on drivers/qe vs something like drivers/soc/fsl/qe. The QuiccEngine (qe) is a communication core on some of the Freescale networking SoCs that provides the ability to do various networking/communication functionality. "Channels" on the QE can be used for various different things from ethernet, ATM, UART, or other functions. I've already commented that some of what is in qe_lib today needs to move to things like drivers/irqchip, drivers/pinctrl, drivers/gpio, etc. However, there will still be some qe specific code that doesn't have a natural home in drivers/ today. - k-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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