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* fsl/qe: Add QE TDM libZhao Qiang2016-06-073-1/+282
| | | | | | | | | | QE has module to support TDM, some other protocols supported by QE are based on TDM. add a qe-tdm lib, this lib provides functions to the protocols using TDM to configurate QE-TDM. Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* fsl/qe: setup clock source for TDM modeZhao Qiang2016-06-072-0/+486
| | | | | | | | Add tdm clock configuration in both qe clock system and ucc fast controller. Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* fsl/qe: add rx_sync and tx_sync for TDM modeZhao Qiang2016-06-071-0/+6
| | | | | | | | Rx_sync and tx_sync are used by QE-TDM mode, add them to struct ucc_fast_info. Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* powerpc: qe_lib-gpio: use gpiochip data pointerLinus Walleij2016-03-301-12/+8
| | | | | | | | | | | | This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Anatolij Gustschin <agust@denx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge tag 'powerpc-4.6-1' of ↵Linus Torvalds2016-03-192-34/+43
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: "This was delayed a day or two by some build-breakage on old toolchains which we've now fixed. There's two PCI commits both acked by Bjorn. There's one commit to mm/hugepage.c which is (co)authored by Kirill. Highlights: - Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V - Add POWER9 cputable entry from Michael Neuling - FPU/Altivec/VSX save/restore optimisations from Cyril Bur - Add support for new ftrace ABI on ppc64le from Torsten Duwe Various cleanups & minor fixes from: - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh. General: - atomics: Allow architectures to define their own __atomic_op_* helpers from Boqun Feng - Implement atomic{, 64}_*_return_* variants and acquire/release/ relaxed variants for (cmp)xchg from Boqun Feng - Add powernv_defconfig from Jeremy Kerr - Fix BUG_ON() reporting in real mode from Balbir Singh - Add xmon command to dump OPAL msglog from Andrew Donnellan - Add xmon command to dump process/task similar to ps(1) from Douglas Miller - Clean up memory hotplug failure paths from David Gibson pci/eeh: - Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei Yang. - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan. - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang - PCI: Add pcibios_bus_add_device() weak function from Wei Yang - MAINTAINERS: Update EEH details and maintainership from Russell Currey cxl: - Support added to the CXL driver for running on both bare-metal and hypervisor systems, from Christophe Lombard and Frederic Barrat. - Ignore probes for virtual afu pci devices from Vaibhav Jain perf: - Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu - hv-24x7: Fix usage with chip events, display change in counter values, display domain indices in sysfs, eliminate domain suffix in event names, from Sukadev Bhattiprolu Freescale: - Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and other dt bits, and minor fixes/cleanup" * tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits) powerpc: Fix unrecoverable SLB miss during restore_math() powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers powerpc/rcpm: Fix build break when SMP=n powerpc/book3e-64: Use hardcoded mttmr opcode powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible powerpc/T104xRDB: add tdm riser card node to device tree powerpc32: PAGE_EXEC required for inittext powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s) powerpc/86xx: Introduce and use common dtsi powerpc/86xx: Update device tree powerpc/86xx: Move dts files to fsl directory powerpc/86xx: Switch to kconfig fragments approach powerpc/86xx: Update defconfigs powerpc/86xx: Consolidate common platform code powerpc32: Remove one insn in mulhdu powerpc32: small optimisation in flush_icache_range() powerpc: Simplify test in __dma_sync() powerpc32: move xxxxx_dcache_range() functions inline powerpc32: Remove clear_pages() and define clear_page() inline ...
| * qe: Use GFP_ATOMIC while spin_lock_irqsave is heldSaurabh Sengar2016-03-091-1/+1
| | | | | | | | | | | | | | | | | | | | cpm_muram_alloc_common is called twice and both the times spin_lock_irqsave is held. Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause deadlock Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com> Signed-off-by: Scott Wood <oss@buserror.net>
| * qe: Make cpm_muram_alloc_common staticSaurabh Sengar2016-03-091-33/+33
| | | | | | | | | | | | | | | | as cpm_muram_alloc_common is used only in this file, making it static Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com> Signed-off-by: Scott Wood <oss@buserror.net>
| * qe/ic: fix a buffer overflow error and add check elsewhereZhao Qiang2016-03-091-1/+10
| | | | | | | | | | | | | | | | | | | | 127 is the theoretical up boundary of QEIC number, in fact there only be 44 qe_ic_info now. add check to overflow for qe_ic_info Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net>
* | powerpc: qe_lib/gpio: Be sure to clamp return valueLinus Walleij2016-01-251-1/+1
|/ | | | | | | | | | | | | As we want gpio_chip .get() calls to be able to return negative error codes and propagate to drivers, we need to go over all drivers and make sure their return values are clamped to [0,1]. We do this by using the ret = !!(val) design pattern. Cc: Anatolij Gustschin <agust@denx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* QE: Move QE from arch/powerpc to drivers/socZhao Qiang2015-12-2213-0/+3128
ls1 has qe and ls1 has arm cpu. move qe from arch/powerpc to drivers/soc/fsl to adapt to powerpc and arm Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
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