Fabio Estevam 1fd92dbaab clk: imx7d: do not set the parent of IMX7D_ENET_AXI_ROOT_SRC ... Booting the kernel on a imx7s-warp leads to several warnings like these: [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:3536 lock_release+0x2f8/0x330 [ 0.000000] releasing a pinned lock [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:2722 trace_hardirqs_on_caller+0x1ac/0x1f4 [ 0.000000] DEBUG_LOCKS_WARN_ON(unlikely(early_boot_irqs_disabled)) [ 0.000000] ---[ end trace cb88537fdc8fa201 ]--- [ 0.000000] bad: scheduling from the idle thread! [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.7.0-rc7-next-20160715 #404 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/time/sched_clock.c:179 sched_clock_register+0x44/0x1f8 [ 0.000000] Modules linked in: [ 0.000591] ------------[ cut here ]------------ [ 0.000610] WARNING: CPU: 0 PID: 0 at kernel/time/sched_clock.c:179 sched_clock_register+0x44/0x1f8 [ 0.002084] ------------[ cut here ]------------ [ 0.002104] WARNING: CPU: 0 PID: 0 at init/main.c:576 start_kernel+0x258/0x3b0 [ 0.002114] Interrupts were enabled early This fix is along the same lines as 5e33ebff7e ("clk: imx7d: do not set parent of ethernet time/ref clocks") and the explanation from that commit is: "The reason for the warning is that setting the parent enables the ENET PLL since we are using CLK_OPS_PARENT_ENABLE. Enabling the ENET PLL can cause clk_pllv3_wait_lock to sleep. See also: commit fc8726a2c0 ("clk: core: support clocks which requires parents enable (part 2)")." imx7s-warp does not even use the FEC interface, so we should not really configure the parent of IMX7D_ENET_AXI_ROOT_SRC in the common MX7 clock driver code. The dts file should use the assigned-clocks/assigned-clock-parents method, so simply remove the configuration of IMX7D_ENET_AXI_ROOT_SRC parent. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>		2016-08-11 18:49:20 -07:00
..
clk-busy.c	clk: move the common clock's to_clk_*(_hw) macros to clk-provider.h	2016-01-29 12:59:50 -08:00
clk-cpu.c	clk: imx: clk-cpu: Include "clk.h" header file	2015-06-03 14:49:34 +08:00
clk-fixup-div.c	clk: move the common clock's to_clk_*(_hw) macros to clk-provider.h	2016-01-29 12:59:50 -08:00
clk-fixup-mux.c	clk: move the common clock's to_clk_*(_hw) macros to clk-provider.h	2016-01-29 12:59:50 -08:00
clk-gate2.c	clk: imx: clk-gate2: allow custom gate configuration	2016-03-31 17:01:55 +08:00
clk-gate-exclusive.c	clk: move the common clock's to_clk_*(_hw) macros to clk-provider.h	2016-01-29 12:59:50 -08:00
clk-imx1.c	clk: i.MX: Remove clk.h include	2015-07-20 10:52:49 -07:00
clk-imx6q.c	clk: imx: fix pll clock parents	2016-06-12 21:21:41 +08:00
clk-imx6sl.c	clk: imx: fix pll clock parents	2016-06-12 21:21:41 +08:00
clk-imx6sx.c	clk: imx: fix pll clock parents	2016-06-12 21:21:41 +08:00
clk-imx6ul.c	clk: imx6ul: fix gpt2 clock names	2016-06-16 09:05:55 +08:00
clk-imx7d.c	clk: imx7d: do not set the parent of IMX7D_ENET_AXI_ROOT_SRC	2016-08-11 18:49:20 -07:00
clk-imx21.c	clk: i.MX: Remove clk.h include	2015-07-20 10:52:49 -07:00
clk-imx25.c	clk: imx25: Remove osc clock from driver	2015-11-25 11:49:42 +08:00
clk-imx27.c	clk: imx27: add missing of_node_put	2015-10-21 16:16:34 -07:00
clk-imx31.c	clk: imx31: add missing of_node_put	2015-10-21 16:16:34 -07:00
clk-imx35.c	ARM: dts: imx35: restore existing used clock enumeration	2016-04-18 12:37:21 +08:00
clk-imx51-imx53.c	clk: imx5: ipu_di_sel clocks can set parent rates	2015-12-02 21:02:33 +08:00
clk-pfd.c	clk: i.MX: Remove clk.h include	2015-07-20 10:52:49 -07:00
clk-pllv1.c	imx/clk-pllv1: fix wrong do_div() usage	2015-11-30 12:58:35 -08:00
clk-pllv2.c	imx/clk-pllv2: fix wrong do_div() usage	2015-11-30 12:58:38 -08:00
clk-pllv3.c	clk: imx: refine the powerdown bit of clk-pllv3	2016-06-16 09:05:05 +08:00
clk-vf610.c	clk: imx: vf610: Disable automatic clock gating for lpuart in LPSTOP mode	2016-07-08 11:38:17 -07:00
clk.c	clk: imx: add common logic to detect early UART usage	2015-09-25 21:58:41 -07:00
clk.h	clk: imx: add clk api for supporting CLK_OPS_PARENT_ENABLE clocks	2016-07-01 17:43:19 -07:00
Makefile	clk: imx: add imx6ul clk tree support	2015-07-14 15:02:13 +08:00