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The clk_register_divider() and clk_register_mux() functions returns
error pointers on error but this code checks for NULL. Fix that.
Fixes: b9e0d40c0d83 ("clk: keystone: add Keystone PLL clock driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/d9da4c97-0da9-499f-9a21-1f8e3f148dc1@moroto.mountain
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The function clk_register_pll() may return NULL or an ERR_PTR. Don't
treat an ERR_PTR as valid.
Signed-off-by: Minjie Du <duminjie@vivo.com>
Link: https://lore.kernel.org/r/20230712102246.10348-1-duminjie@vivo.com
Fixes: b9e0d40c0d83 ("clk: keystone: add Keystone PLL clock driver")
[sboyd@kernel.org: Reword commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- TI SCI clks on K3 SoCs
* clk-k3-tisci:
clk: keystone: add missing MODULE_LICENSE
clk: keystone: Enable TISCI clocks if K3_ARCH
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A randconfig build showed that two clk modules have no license tag:
WARNING: modpost: missing MODULE_LICENSE() in drivers/clk/keystone/gate.o
see include/linux/module.h for more information
WARNING: modpost: missing MODULE_LICENSE() in drivers/clk/keystone/pll.o
see include/linux/module.h for more information
Add the appropriate information from the comment at the start of the
two files.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Santosh Shilimkar <ssantosh@krenel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Free memory mapping, if of_pll_div_clk_init is not successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Adjust the documentation to use the actual function names.
Issue detected using Coccinelle (http://coccinelle.lip6.fr/)
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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s/regsiter/register/
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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* cleanup-clk-h-includes: (62 commits)
clk: Remove clk.h from clk-provider.h
clk: h8300: Remove clk.h and clkdev.h includes
clk: at91: Include clk.h and slab.h
clk: ti: Switch clk-provider.h include to clk.h
clk: pistachio: Include clk.h
clk: ingenic: Include clk.h
clk: si570: Include clk.h
clk: moxart: Include clk.h
clk: cdce925: Include clk.h
clk: Include clk.h in clk.c
clk: zynq: Include clk.h
clk: ti: Include clk.h
clk: sunxi: Include clk.h and remove unused clkdev.h includes
clk: st: Include clk.h
clk: qcom: Include clk.h
clk: highbank: Include clk.h
clk: bcm: Include clk.h
clk: versatile: Remove clk.h and clkdev.h includes
clk: ux500: Remove clk.h and clkdev.h includes
clk: tegra: Properly include clk.h
...
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Use of_clk_parent_fill to fill in the parent clock names' array.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Clock provider drivers generally shouldn't include clk.h because
it's the consumer API. Remove the include here because this is a
provider driver.
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Main PLL controller has post divider bits in a separate register in
pll controller. Use the value from this register instead of fixed
divider when available.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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DDR3A/B, ARM and PA PLL controllers have clkod register bits for
configuring postdiv values. So use it instead of using fixed
post dividers for these pll controllers. Assume that if fixed-postdiv
attribute is not present, use clkod register value for pistdiv.
Also update the Documentation of bindings to reflect the same.
Cc: Mike Turquette <mturquette@linaro.org
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Add the driver for the PLL IPs found on Keystone 2 devices. The PLL
IP typically has a multiplier, a divider and a post-divider. The PLL IPs like
ARMPLL, DDRPLL and PAPLL are controlled by the memory mapped register where
as the Main PLL is controlled by a PLL controller and memory map registers.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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